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Erythroneura elegantula
Western Grape Leafhopper
Erythroneura elegantula, the Western Grape Leafhopper, is a leafhopper species native to western North America and a significant pest of cultivated grapevines. It completes two generations annually between April and September in California vineyards. Population densities vary with proximity to vegetational borders, remaining stable near diverse perennial flowering hedgerows and riparian zones while declining at greater distances from borders. The species serves as host for egg parasitoids in the genus Anagrus (Mymaridae), which provide biological control.
leafhopper vineyard-pest grape-pest biological-control Anagrus integrated-pest-management western-North-America Typhlocybinae phloem-feeder agricultural-pest
Erythroneura ziczac
Virginia Creeper Leafhopper
Erythroneura ziczac, commonly known as the Virginia Creeper Leafhopper, is a small leafhopper species in the family Cicadellidae. It is a documented pest of grapevines in North America, particularly in California vineyards where it has been the subject of integrated pest management research. The species feeds on plant sap and is known to overwinter as adults. It is one of several Erythroneura species associated with vineyard ecosystems, distinguished by its specific host plant relationships and population dynamics studied in agricultural contexts.
leafhopper vineyard-pest grape-pest agricultural-pest integrated-pest-management biological-control North-America
Etiella
snout moths, pod borers, limabean pod borers
Etiella is a genus of snout moths (Pyralidae: Phycitinae) described by Philipp Christoph Zeller in 1839. The genus contains approximately seven described species, with Etiella zinckenella being the most economically significant as a major pest of legume crops worldwide. Species in this genus are characterized by their larval habit of boring into pods of leguminous plants, causing substantial agricultural damage. The genus has a cosmopolitan distribution spanning tropical, subtropical, and temperate regions across multiple continents.
agricultural-pest legume-pest pod-borer integrated-pest-management biological-control cosmopolitan-distribution Pyralidae Phycitinae
Euborellia annulipes
Ring-legged Earwig, Ringlegged Earwig
Euborellia annulipes, commonly known as the ring-legged earwig, is a widespread earwig species in the family Anisolabididae. It has been introduced to many regions worldwide and is recognized as a significant natural biological control agent in agricultural systems, particularly in banana groves and cornfields. The species exhibits notable parental care behavior by females, who remain sedentary to guard eggs and nymphs. Males are more mobile and frequently engage in egg cannibalism, though they can distinguish their own offspring from unrelated eggs and reduce cannibalism accordingly. The species has been studied extensively for its predatory activity against pests including Spodoptera frugiperda (fall armyworm) and its response to agricultural management practices.
earwig biological-control predator agricultural-pest-management parental-care egg-cannibalism Dermaptera Anisolabididae integrated-pest-management Spodoptera-frugiperda banana corn peanut
Eucosma giganteana
Giant Eucosma Moth
Eucosma giganteana is a North American tortricid moth and specialist herbivore of Silphium species. It has emerged as a major pest threatening the domestication of Silphium integrifolium (silflower), a novel perennial oilseed crop. Adults are active in early to mid-summer, with larvae damaging flower heads and root crowns. Flight capacity studies show adults can travel 23 km in 24 hours, with peak flight activity in morning hours.
pest specialist-herbivore silflower pheromone flight-capacity native-range prairie oilseed-crop integrated-pest-management
Eulophidae
Eulophidae is a large family of minute chalcidoid wasps comprising over 4,300 described species in approximately 300 genera. Members are distinguished by having only four tarsomeres on each leg, a small straight protibial spur, and antennae with two to four funicle segments and at most 10 antennomeres. The majority of species are primary parasitoids of arthropods across all developmental stages, with exceptional diversity in host associations including thrips, leafhoppers, gall wasps, and various other insects. The family includes the former family Elasmidae (now subfamily Elasminae) and is represented globally across virtually all terrestrial habitats, including one aquatic species that parasitizes water-penny beetles.
parasitoid-wasps biological-control Chalcidoidea integrated-pest-management thrips-parasitoids leafhopper-parasitoids gall-wasp-parasitoids agricultural-entomology
Eurygaster
sunn pest, sunn bug, tortoise shieldbug
Eurygaster is a genus of shield bugs in the family Scutelleridae, distributed across Eurasia with some species in North America. The genus includes several economically significant agricultural pests, particularly E. integriceps and E. testudinaria, known as sunn pests that damage cereal crops. Species identification within the genus is challenging due to morphological similarities among closely related taxa. The genus comprises at least 17 extant species plus one fossil species, with six species recorded from Russia.
agricultural-pest cereal-pest sunn-pest shield-bug biological-control integrated-pest-management wheat-pest barley-pest diapause parasitoid-host
Eurytetranychus
Eurytetranychus is a genus of spider mites (Tetranychidae) known primarily as pests of boxwood (Buxus species). The most notable species, Eurytetranychus buxi, feeds on boxwood foliage and has been identified as a significant arthropod pest in managed landscapes. Climate change may allow this mite to complete additional generations in warming regions, potentially increasing damage in areas where it was previously unproblematic.
spider-mite pest boxwood Tetranychidae landscape-pest ornamental-pest acarology integrated-pest-management climate-change-sensitivity
Euscepes postfasciatus
West Indian sweetpotato weevil, hidden snout weevil, scarabee
Euscepes postfasciatus is a weevil species in the family Curculionidae that is a significant agricultural pest of sweet potato (Ipomoea batatas) across tropical and subtropical regions. The species has been extensively studied for its reproductive biology, including male-produced chemical signals that induce female post-mating unreceptivity and stridulatory communication during courtship. It is a target of sterile insect technique (SIT) eradication programs, particularly in Japan's Okinawa Prefecture, due to its economic impact on sweet potato cultivation.
agricultural-pest sweet-potato-pest Curculionidae sterile-insect-technique chemical-communication stridulation post-mating-behavior Okinawa integrated-pest-management
Euschistus conspersus
consperse stink bug
Euschistus conspersus, the consperse stink bug, is a pentatomid stink bug native to North America and an agricultural pest of processing tomatoes in California. Research has characterized its seasonal pheromone trap response dynamics and established laboratory life history parameters. Females attracted to methyl (2E,4Z)-decadienoate pheromone traps are exclusively reproductively active with matured eggs, enabling phenology-based management strategies targeting susceptible nymphal stages.
agricultural-pest stink-bug tomato-pest pheromone integrated-pest-management California-agriculture chemical-ecology pentatomidae heteroptera
Euschistus crenator
Euschistus crenator is a phytophagous stink bug (Hemiptera: Pentatomidae) recognized as a key pest in soybean cultivation, causing direct damage to developing grains. The species occurs across the Caribbean, Central America, North America, and South America, with confirmed populations in northern Brazil (Roraima and Pará states). Second-instar nymphs exhibit high susceptibility to entomopathogenic fungi, and the egg parasitoid Telenomus podisi has been confirmed to parasitize its eggs. The species is frequently misidentified with Euschistus heros due to morphological similarities.
pest soybean agriculture biological-control entomopathogenic-fungi South-America Pentatomidae phytophagous integrated-pest-management
Euschistus servus
Brown Stink Bug
Euschistus servus, commonly known as the brown stink bug, is a native North American pentatomid species distributed across Central America and North America. It is a significant agricultural pest in the southern United States, feeding on a wide range of crops including soybeans, cotton, corn, peanuts, peaches, and pecans. The species is highly mobile, capable of dispersing up to 15.9 km in flight mill studies, and exhibits seasonal movement between crop hosts and non-crop habitats. Two subspecies are recognized: E. s. servus and E. s. euschistoides.
pest agriculture soybean cotton polyphagous mobile native-species integrated-pest-management pheromone trap-crop flight-dispersal multivoltine subspecies-euschistoides subspecies-servus pecan peanut corn wheat southeastern-US midwestern-US insecticide-resistance pyrethroid facultative-predator zoophagy vertical-stratification seasonal-dispersal overwintering flight-mill landscape-ecology host-plant-switching economic-injury seed-quality delayed-maturity flat-pod biological-control Telenomus-podisi Trichopoda-pennipes Mermithidae-parasite aggregation-pheromone sorghum-trap-crop early-soybean-production-system ground-sampling canopy-sampling thermal-tolerance native-stink-bug true-bug Hemiptera Pentatomidae Euschistus brown-stink-bug Central-America North-America Louisiana Texas North-Carolina Midwest southern-United-States crop-pest field-border wooded-area weed-host agroecosystem small-grain legume monitoring economic-threshold sweep-net ground-cloth nymph instar overwintering-emergence flight-capacity body-weight-loss host-tracking farmscape landscape-composition agricultural-landscape soybean-area field-size geospatial generalized-linear-mixed-model population-abundance source-habitat sink-habitat dispersal-behavior movement-ecology seasonal-occurrence phenology reproduction oviposition egg-parasitoid tachinid-parasitoid entomopathogenic-nematode new-host-record predation cabbageworm collard Brassica Pieris-rapae Esselbaugh-1948 McPherson-1982 Cornell-University-Insect-Collection organic-insecticide neem Chrysanthemum botanical-insecticide toxicity feeding-preference repellency egg-stage insecticide-efficacy non-target-effects IPM invasive-species-comparison brown-marmorated-stink-bug Halyomorpha-halys green-stink-bug temperature-effects climate distribution-modeling abundance-patterns regional-management environmental-entomology agricultural-entomology economic-entomology journal-of-economic-entomology journal-of-integrated-pest-management 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deciduous-forest landscape-factors resource-availability source-population establishment-potential pest-potential vulnerability-assessment targeted-control north-central-US central-US Piedmont coastal-plains biological-differences management-strategies grouping-fallacy species-specific-management John-P-Roche Justin-George Olabimpe-Okosun Suhas-Vyavhare Beaumont Texas-A&M population-dynamics insect-plant-interaction growth-stage-susceptibility delayed-maturity-syndrome direct-connection density-experiment agility flight-speed insecticide-escape organophosphate-resistance chemical-rotation insecticide-reduction million-dollar-savings resistant-variety-development soybean-pest-management-guide 1999-revision Robert-Koch University-of-Minnesota Cassandra-Kurtz Christopher-Philips Daniela-Pezzini Midwestern-United-States corn-pest seedling-stage early-reproductive-stage scouting-methods economic-thresholds insecticide-classes cultural-control generalist-pest crop-movement wild-plant-hosts year-round-feeding further-research-needed crop-response Midwest-specific-research EDIS-publication 2009 comprehensive-overview physical-description damage-description geographical-distribution feeding-habits monitoring-importance trap-crop-emphasis reduced-pesticide-use resurgence-cause economic-impact-emphasis pecan-orchard vertical-distribution ground-level upper-canopy modified-pyramidal-trap hedgerow orchard-edge orchard-center seasonal-monitoring May-through-September October-increase peak-timing early-season late-season trap-height-effect sampling-recommendation throughout-canopy arboreal-habitat small-grain-agroecosystem winter-wheat Triticum-aestivum earliest-abundant-crop primary-source-habitat population-abundance-driver weekly-sampling flowering-through-harvest 2019 2020 geospatial-data generalized-linear-mixed-modelling field-size-effect agriculture-proportion wheat-area-proportion soybean-area-proportion previous-year-effect spring-pest-density agricultural-landscape-dominance decreased-pest-abundance cotton-protection source-habitat-dispersal Zea-mays Arachis-hypogaea Gossypium-hirsutum Sorghum-bicolor 2-year-experiment on-farm-research 2004 2006 density-reduction control-comparison trap-crop-effectiveness pheromone-trap-addition female-density-reduction local-population-decrease overwintering-population-reduction dispersal-reduction preferred-food-absence landscape-level-attraction baseline-flight-capacity body-weight-relationship sex-differences plant-host-use-relationship flight-mill-system 90.1%-flight-range 0-1-km-typical 15.9-km-maximum 2017 seasonal-variation overwintering-emergence-peak cropping-season-low wheat-host corn-host early-season-weed-host soybean-host late-season-weed-host body-weight-loss-proportion farmscape-level-extrapolation management-program-development planning implementation multiple-crops peach EDIS-document life-cycle-detail physical-description-detail damage-detail management-strategy-detail 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taxonomic-authority-verification common-name-standardization distribution-record-verification Middle-America Vermont US-state-record corrigendum-notice reproduction-landscape-effects mobile-herbivore-characterization polyphagous-lifestyle multivoltine-reproduction arthropod-herbivore-classification environmental-entomology-journal cotton-IPM-program-integration emergent-pest-status ecology-economics-interface established-program-adaptation new-host-parasite-record Mermithidae nematode-parasite Southwestern-Entomologist-journal parasite-taxonomy host-range-extension NCBI-taxonomy-verification Metazoa-kingdom true-bugs-group GBIF-distribution-mapping present-status exact-match-confirmation accepted-taxonomic-status canonical-name-verification Wikipedia-summary-verification iNaturalist-taxonomy-integration multisource-validation taxonomic-consistency authoritative-source-alignment scientific-name-construction parenthetical-author-format year-of-description 1832 Say-description Vollenhoven-subspecies-description 1868 euschistoides-subspecies servus-subspecies-nominate-form subspecies-taxonomy infraspecific-variation geographic-subspecies morphological-subspecies Journal-of-Integrated-Pest-Management-publication open-access-guide Midwestern-grower-resource producer-accessibility agricultural-professional-resource Robert-Koch-leadership University-of-Minnesota-extension Cassandra-Kurtz-imagery Christopher-Philips-imagery Daniela-Pezzini-modification species-profile-compilation differentiation-guidance life-cycle-summary behavior-summary monitoring-guidance management-guidance emerging-threat-characterization historical-southern-prevalence northern-range-expansion climate-adaptation production-system-vulnerability 24-potential-species common-pest-subset green-stink-bug-profile brown-marmorated-stink-bug-profile redshouldered-stink-bug-profile brown-stink-bug-profile onespotted-stink-bug-profile soybean-damage-mechanism pod-feeding-preference 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Euschistus servus euschistoides
brown stink bug
Euschistus servus euschistoides is a subspecies of brown stink bug in the family Pentatomidae. It is a nominal phytophage documented to exhibit facultative predatory behavior on caterpillars. The subspecies occurs in North America and is part of the Euschistus servus species complex, which includes agricultural pests of soybean and other crops. Observations in central New York State confirmed predation on Pieris rapae larvae.
stink-bug pentatomid predatory-behavior facultative-predator soybean-pest brassica integrated-pest-management biological-control North-America
Euschistus variolarius
one-spotted stink bug, onespotted stink bug
Euschistus variolarius, commonly known as the one-spotted stink bug, is a Nearctic species of shield bug in the family Pentatomidae. It is a phytophagous insect that feeds primarily on seeds and developing fruits of various plants, including legumes, grasses, and agricultural crops such as soybean and alfalfa. The species produces one generation per year in northern parts of its range, with adults overwintering in ground debris and emerging in spring to reproduce. While historically considered a minor pest, it has become increasingly recognized as an emerging pest in Midwestern soybean and corn production.
stink-bug pentatomid agricultural-pest soybean-pest phytophagous Nearctic shield-bug Hemiptera integrated-pest-management emerging-pest overwintering univoltine
Euwallacea perbrevis
tea shot-hole borer
Euwallacea perbrevis, the tea shot-hole borer, is an invasive ambrosia beetle native to South and Southeast Asia through Australia. It is part of the Euwallacea fornicatus cryptic species complex, distinguished from its three sibling species (E. fornicatus, E. fornicatior, and E. kuroshio) primarily through molecular genetics rather than morphology. The beetle cultivates symbiotic fungi in galleries bored into host trees and vectors fungal pathogens causing Fusarium branch dieback. It has been introduced to the United States (Florida, Hawaii), Costa Rica, and Panama, where it poses significant economic threats to avocado production and urban trees.
ambrosia-beetle invasive-species cryptic-species-complex fungus-farming avocado-pest fusarium-dieback biological-control Scolytinae xylem-borer vector integrated-pest-management tea-pest Hawaii Florida California Israel polyphagous symbiosis mycangia inbreeding haplodiploidy Beauveria-bassiana entomopathogenic-fungi
Euxesta
Cornsilk Flies
Euxesta is a genus of picture-winged flies in the family Ulidiidae, commonly known as cornsilk flies. Multiple species are significant agricultural pests of sweet corn (Zea mays), particularly in Florida, the southeastern United States, Mexico, Argentina, and Brazil. The genus includes at least four species documented attacking corn in Florida: E. stigmatias, E. eluta, E. annonae, and E. mazorca. Larvae develop within corn ears, feeding on silks and kernels and causing direct crop damage, often in association with secondary fungal infections.
agricultural-pest sweet-corn picture-winged-fly Ulidiidae integrated-pest-management visual-ecology parasitoid-host
Exapion ulicis
Gorse Seed Weevil
Exapion ulicis is a small seed-feeding weevil specialized on gorse (Ulex europaeus). Adults are light gray with a prominent snout roughly half the body length. The species is native to western Europe and has been introduced to New Zealand, California, Hawaii, and other regions as a biological control agent targeting invasive gorse populations. Larval feeding destroys seeds within pods, reducing plant spread, while adult feeding on stems and spines causes minor damage.
biological-control invasive-species-management seed-predator host-specialization temporal-isolation Brentidae Coleoptera Ulex-europaeus gorse western-Europe California New-Zealand Hawaii spring-activity oviposition-cues pod-fecundity parasitoid seed-destruction noctuid pest-control-agent established-introduction native-range-Europe introduced-range-Pacific Chile Belgium Oregon northern-California forest-gaps pastures natural-areas seed-loss intensity-of-attack reproductive-isolation ecological-specialization sympatric-divergence host-phenology pod-size seed-content female-choice feeding-damage round-holes stem-feeding spine-feeding larval-development pupal-period 6-8-weeks-larval-feeding 2-months-pupation within-pod-development seed-to-ovule-ratio mature-seeds intact-seeds parasitization-rate population-abundance fecund-pod-targeting whole-plant-traits flower-traits pod-traits choice-experiments common-garden Brittany Scotland Reunion host-availability seasonal-activity morphological-identification mitochondrial-sequences nuclear-sequences phylogeny host-races divergent-selection ecological-speciation sympatric-populations spring-infestation autumn-infestation introduced-with-gorse not-initially-introduced invasive-plant plant-insect-interactions oviposition-behavior feeding-behavior preference-patterns multiple-trait-use surface-cues internal-cues pod-characteristics host-choice plant-susceptibility invasion-biology entomological-experimentalis pan-pacific-entomologist diversity-journal ecological-entomology Coombs-2004 HEAR-photo-gallery iNaturalist GBIF NCBI Forster-1771 Curculionoidea Apionidae Fabaceae Genisteae noxious-weed agent-of-biological-pest-control light-gray long-snout straight-snout 2-3-mm small-weevil seed-weevil gorse-seed-weevil established-populations percentage-of-pods-infested spatial-variation temporal-variation seed-set seed-production seed-predation-impact ecosystem-service weed-biological-control classical-biological-control 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naturalized casual transient ephemeral persistent established spreading invasive-potential invasiveness impact ecological-impact economic-impact social-impact environmental-impact negative-impact positive-impact beneficial detrimental nuisance pest weed pathogen disease-vector public-health veterinary-health crop-health forest-health rangeland-health ecosystem-health One-Health planetary-health ecohealth conservation-medicine disease-ecology parasitology entomology medical-entomology veterinary-entomology agricultural-entomology forest-entomology urban-entomology aquatic-entomology systematics taxonomy phylogenetics evolutionary-biology population-biology ecosystem-ecology landscape-ecology global-ecology macroecology biogeography historical-biogeography ecological-biogeography island-biogeography continental-biogeography latitudinal-gradient altitudinal-gradient species-area-relationship island-species-richness equilibrium-theory nonequilibrium-theory neutral-theory niche-theory 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ternary-relation n-ary-relation complete-relation incomplete-relation transitive-relation intransitive-relation reflexive-relation irreflexive-relation symmetric-relation asymmetric-relation antisymmetric-relation equivalence-relation partial-order total-order strict-order weak-order semiorder interval-order Pareto-order lexicographic-order dominance-relation outranking-relation concordance discordance credibility discrimination-threshold indifference-threshold preference-threshold veto-threshold majority-rule Condorcet-winner Condorcet-loser Borda-count approval-voting range-voting score-voting instant-runoff-voting single-transferable-vote proportional-representation mixed-member-proportional additional-member-system parallel-voting majority-bonus-system scorporo double-vote alternative-vote supplementary-vote contingent-vote Bucklin-voting Coombs'-method Dodgson's-method Kemeny-Young-method Ranked-pairs Schulze-method Minimax-Condorcet Smith-set Schwartz-set uncovered-set Banks-set 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minimal-strongly-comprehensive-Pareto-optimal-set minimal-collectively-comprehensive-Pareto-optimal-set minimal-individually-comprehensive-Pareto-optimal-set minimal-Nash-comprehensive-Pareto-optimal-set minimal-individually-rational-comprehensive-Pareto-optimal-set minimal-weakly-extensive-Pareto-optimal-set minimal-strongly-extensive-Pareto-optimal-set minimal-collectively-extensive-Pareto-optimal-set minimal-individually-extensive-Pareto-optimal-set minimal-Nash-extensive-Pareto-optimal-set minimal-individually-rational-extensive-Pareto-optimal-set minimal-weakly-retentive-Pareto-optimal-set minimal-strongly-retentive-Pareto-optimal-set minimal-collectively-retentive-Pareto-optimal-set minimal-individually-retentive-Pareto-optimal-set minimal-Nash-retentive-Pareto-optimal-set minimal-individually-rational-retentive-Pareto-optimal-set minimal-weakly-stable-Pareto-optimal-set minimal-strongly-stable-Pareto-optimal-set minimal-collectively-stable-Pareto-optimal-set minimal-individually-stable-Pareto-optimal-set minimal-Nash-stable-Pareto-optimal-set minimal-individually-rational-stable-Pareto-optimal-set minimal-weakly-Nash-stable-Pareto-optimal-set minimal-strongly-Nash-stable-Pareto-optimal-set minimal-collectively-Nash-stable-Pareto-optimal-set minimal-individually-Nash-stable-Pareto-optimal-set minimal-Nash-Nash-stable-Pareto-optimal-set minimal-individually-rational-Nash-stable-Pareto-optimal-set minimal-weakly-individually-rational-Pareto-optimal-set minimal-strongly-individually-rational-Pareto-optimal-set minimal-collectively-individually-rational-Pareto-optimal-set minimal-individually-individually-rational-Pareto-optimal-set minimal-Nash-individually-rational-Pareto-optimal-set minimal-individually-rational-individually-rational-Pareto-optimal-set minimal-weakly-Pareto-optimal-Nash-stable-set minimal-strongly-Pareto-optimal-Nash-stable-set minimal-collectively-Pareto-optimal-Nash-stable-set minimal-individually-Pareto-optimal-Nash-stable-set minimal-Nash-Pareto-optimal-Nash-stable-set minimal-individually-rational-Pareto-optimal-Nash-stable-set minimal-weakly-comprehensive-Pareto-optimal-Nash-stable-set minimal-strongly-comprehensive-Pareto-optimal-Nash-stable-set minimal-collectively-comprehensive-Pareto-optimal-Nash-stable-set minimal-individually-comprehensive-Pareto-optimal-Nash-stable-set minimal-Nash-comprehensive-Pareto-optimal-Nash-stable-set minimal-individually-rational-comprehensive-Pareto-optimal-Nash-stable-set minimal-weakly-extensive-Pareto-optimal-Nash-stable-set minimal-strongly-extensive-Pareto-optimal-Nash-stable-set minimal-collectively-extensive-Pareto-optimal-Nash-stable-set minimal-individually-extensive-Pareto-optimal-Nash-stable-set minimal-Nash-extensive-Pareto-optimal-Nash-stable-set minimal-individually-rational-extensive-Pareto-optimal-Nash-stable-set minimal-weakly-retentive-Pareto-optimal-Nash-stable-set 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minimal-Nash-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set
Exenterus amictorius
Exenterus amictorius is an ichneumonid parasitoid wasp introduced to North America that attacks sawfly larvae (Hymenoptera: Diprionidae), particularly during the pre-spinning eonymph stage. The species exhibits adaptive host discrimination behavior that changes during the host's spinning period, lacks discrimination initially but rapidly acquires and maintains this ability. It shows strong positive density-dependent responses to host abundance and has established successfully on multiple diprionid hosts across North America. In multiparasitism situations with the native E. diprionis, E. amictorius consistently survives due to faster larval development.
parasitoid biological-control sawfly-parasite introduced-species forest-entomology Ichneumonidae Diprionidae host-discrimination density-dependent-response multiparasitism competitive-displacement jack-pine pine-sawfly Quebec Ontario Europe North-America koinobiont idiobiont oviposition-behavior adaptive-behavior learning egg-complement Morisita's-Index power-function sex-ratio-bias seasonal-emergence invasive-species-success population-regulation host-switching establishment spread dominance competition exclusion phenology temporal-partitioning spatial-distribution aggregation functional-response numerical-response discrimination-learning associative-learning reproductive-strategy life-history development-rate survival interspecific-competition community-ecology species-interactions trophic-cascade ecosystem-service natural-enemy pest-management integrated-pest-management silviculture forest-health coniferous-forest boreal-forest temperate-forest pine-forest habitat-specificity host-specificity host-range-expansion biogeography colonization invasion-biology establishment-success population-dynamics density-dependence spatial-heterogeneity temporal-heterogeneity behavioral-plasticity phenotypic-plasticity memory decision-making foraging-behavior oviposition-strategy reproductive-allocation sex-allocation local-mate-competition fitness development emergence overwintering diapause voltinism univoltine partially-bivoltine seasonality synchrony asynchrony host-parasitoid-interactions biological-control-efficacy non-target-effects environmental-risk beneficial-insect conservation-biological-control augmentative-biological-control classical-biological-control introduced-natural-enemy exotic-species non-native-species invasive-species range-expansion distribution occurrence abundance population-density sampling monitoring survey inventory phylogeography molecular-ecology systematics taxonomy identification morphology anatomy behavior ecology reproduction 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forest-governance-reciprocities forest-governance-relationships forest-governance-connections forest-governance-belongings forest-governance-identities forest-governance-cultures
Exochomus
Exochomus is a genus of lady beetles in the family Coccinellidae, first described by Redtenbacher in 1843. The genus comprises at least 77 recognized species distributed globally. Multiple species have been studied as biological control agents against mealybugs and other soft-bodied pests in agricultural and forestry systems. Research has focused particularly on E. nigripennis in Egypt and E. flaviventris in Central Africa as predators of invasive mealybug species.
Coccinellidae lady-beetle biological-control mealybug-predator integrated-pest-management agricultural-entomology
Feltiella
Feltiella is a genus of predatory gall midges (Cecidomyiidae) whose larvae feed on spider mites (Tetranychidae). The genus includes commercially important biological control agents, particularly F. acarisuga, which is mass-reared for augmentative biocontrol of tetranychid mites in greenhouse and agricultural systems. Larvae are voracious predators of spider mite eggs, with documented consumption rates exceeding 150 eggs per larva. Adults are short-lived and do not feed on prey.
predatory-gall-midge biological-control acariphagous Tetranychidae Cecidomyiidae augmentative-biocontrol integrated-pest-management greenhouse-pest-control
Fiorinia externa
elongate hemlock scale
Fiorinia externa, the elongate hemlock scale, is an invasive armored scale insect native to Japan and southern China. Accidentally introduced to North America around 1908, it has become established throughout the northeastern United States and threatens hemlock (Tsuga) and related conifers. The species is a pupillarial scale, with adult females remaining within their second-instar exuviae. Heavy infestations cause yellowing, premature needle drop, branch dieback, and occasional tree death. It poses particular economic concern for Fraser fir Christmas tree production in the southeastern United States, where it can persist on harvested trees for up to 13 weeks post-harvest.
invasive-species forest-pest Christmas-tree-pest armored-scale biological-control hemlock-decline Fraser-fir post-harvest-pest pupillarial-scale Encarsia-citrina Conoideocrella-luteorostrata integrated-pest-management
Frankliniella
Frankliniella is a genus of thrips in the family Thripidae containing approximately 230 species with cosmopolitan distribution. The genus was established by Karny in 1910. Several species are significant agricultural pests, notably Frankliniella occidentalis (western flower thrips) and F. intonsa, which cause direct feeding damage and vector plant viruses including tomato spotted wilt virus. Species exhibit considerable morphological variability, complicating identification.
thrips agricultural-pest plant-virus-vector Thripidae cosmopolitan integrated-pest-management biological-control-target
Frankliniella occidentalis
Western Flower Thrips, alfalfa thrips, California thrips
Frankliniella occidentalis, the western flower thrips, is a minute insect native to the southwestern United States that has become a globally significant agricultural pest. Adults measure approximately 1.5 mm in length. The species feeds on plant fluids by piercing and sucking, causing direct damage to hundreds of host species including tomatoes, grapes, strawberries, soybeans, and ornamentals. Its economic impact is compounded by its role as the principal vector of Tomato spotted wilt virus and other tospoviruses, which cause billions of dollars in annual crop losses worldwide. The species exhibits arrhenotokous parthenogenesis, where unfertilized females produce haploid males. It has demonstrated high resistance to pesticides and has spread to Europe, Australia, South America, Asia, and Africa through transport of infested plant material.
agricultural-pest virus-vector tospovirus invasive-species pesticide-resistance parthenogenesis greenhouse-pest integrated-pest-management
Fuscuropoda
uropodid mite
Fuscuropoda is a genus of predatory mites in the family Dinychidae (order Mesostigmata). The best-known species, Fuscuropoda vegetans, serves as a biological control agent in poultry facilities, where it preys on early-stage house fly larvae in manure. These mites occur naturally in most poultry operations and contribute to integrated pest management programs targeting fly populations.
biological-control poultry-pest-management predatory-mite manure-ecology integrated-pest-management house-fly-predator Mesostigmata Uropodina
Ganaspis
Ganaspis is a genus of parasitoid wasps in the family Figitidae (subfamily Eucoilinae). Species in this genus are larval parasitoids primarily of Drosophilidae and Tephritidae flies. Several species have gained significant attention for biological control of invasive pests, particularly Ganaspis brasiliensis against spotted-wing drosophila (Drosophila suzukii). The genus has been recorded in Asia, North America, South America, and Europe.
parasitoid biological-control Drosophila-suzukii integrated-pest-management fruit-fly Eucoilinae Figitidae
Geocoris barberi
bigeyed bug
Geocoris barberi is a species of bigeyed bug in the family Geocoridae, described by Readio & Sweet in 1982. Species in the genus Geocoris are recognized as important natural enemies of agricultural insect pests. They serve as biological control agents in integrated pest management programs, particularly in crop systems such as cucumber fields where they help suppress pest populations.
bigeyed-bug biological-control integrated-pest-management predator agricultural-pest-management Geocoridae Hemiptera natural-enemy
Geocoris davisi
big-eyed bug
Geocoris davisi is a species of big-eyed bug in the family Geocoridae, described by Barber in 1935. It belongs to a genus of predatory true bugs widely recognized as important natural enemies of agricultural pests. Species in the genus Geocoris are commonly used in habitat management strategies for integrated pest management, though specific biological details for G. davisi remain limited in the available literature.
big-eyed-bug predatory-bug biological-control integrated-pest-management Geocoridae Hemiptera North-America natural-enemy agricultural-pest-management cover-crops Barber-1935
Geocoris howardi
big-eyed bug
Geocoris howardi is a species of big-eyed bug in the family Geocoridae. It is native to North America. Members of the genus Geocoris are recognized for their ecological role as predators of agricultural insect pests. The species was described by Montandon in 1908.
big-eyed-bug predator biological-control agriculture integrated-pest-management
Geocoris lividipennis
bigeyed bug
Geocoris lividipennis is a predatory true bug in the family Geocoridae, commonly known as bigeyed bugs. The species is recognized as a beneficial insect in agricultural systems, where it serves as a natural enemy of various crop pests. Adults and nymphs are generalist predators that feed on small arthropods and their eggs. The species has a broad distribution across the Americas and Caribbean islands.
predator biological-control agricultural-beneficial bigeyed-bug generalist-predator Hemiptera Geocoridae integrated-pest-management cotton-pest-control strawberry-pest-control lygus-predator aphid-predator mite-predator whitefly-predator Caribbean-fauna Nearctic-fauna Neotropical-fauna
Geocoris pallens
western big-eyed bug
Geocoris pallens is a predatory true bug in the family Geocoridae, commonly known as the western big-eyed bug. It is an omnivorous predator that feeds on insect prey including aphids, leafhoppers, and seed bugs, as well as plant material such as seeds and green tissue. The species is native to western North America and has been introduced to Hawaii and other regions. Both adults and nymphs are predatory, making this species valuable for biological pest control in agricultural systems.
biological-control integrated-pest-management predator omnivore agricultural-pest-control big-eyed-bug
Geocoris pallens-or-bullatus
bigeyed bug
Geocoris pallens-or-bullatus is a species of bigeyed bug in the family Geocoridae. Species in the genus Geocoris are recognized as important natural enemies of agricultural insect pests. They have been observed in association with crops including cucumber, where they contribute to biological control of pest populations. The specific epithet "pallens-or-bullatus" indicates taxonomic uncertainty or an unresolved species complex designation.
biological-control integrated-pest-management predator agricultural-pest-management Hemiptera Geocoridae
Geocoris undescribed
bigeyed bug
An undescribed species within the genus Geocoris, commonly known as bigeyed bugs. Members of this genus are recognized as important natural enemies of agricultural insect pests. This particular species is referenced in studies examining habitat management for integrated pest management, specifically in the context of red clover plantings in cucumber fields where it contributes to biological control of crop pests.
undescribed-species biological-control integrated-pest-management agricultural-entomology predator natural-enemy habitat-management cucumber-pest-control Geocoridae Hemiptera
Givira
carpenter moths
Givira is a genus of carpenter moths (family Cossidae, subfamily Hypoptinae) established by Walker in 1856. The genus contains approximately 70 described species distributed across the Neotropics and southwestern North America. Several species are economically significant as wood-boring pests of cultivated plants, including Givira ethela, which damages grapevines in California. Adults are typically nocturnal with variable wing coloration ranging from dark brown to satiny white.
carpenter-moths wood-boring grape-pest vineyard-pest Neotropical California-agriculture integrated-pest-management
Glypta fumiferanae
Glypta fumiferanae is an ichneumonid wasp that parasitizes spruce budworm larvae (Choristoneura fumiferana and C. occidentalis). As an endoparasitoid, females deposit eggs inside host larvae, and developing wasp offspring consume the host from within. This species is a significant natural enemy of spruce budworm, a major defoliator of coniferous forests in North America. Adult females are synovigenic and require carbohydrate feeding (honey) for extended longevity and high fecundity; unfed adults survive only 2–5 days and produce far fewer eggs.
parasitoid biological-control forest-entomology spruce-budworm Ichneumonidae endoparasitoid integrated-pest-management synovigenic electrophoretic-detection
Gonatocerus
fairyfly
Gonatocerus is a speciose genus of fairyflies (Mymaridae) comprising at least 260 described species. These minute parasitoid wasps are primary egg parasitoids of leafhoppers and sharpshooters (Hemiptera: Cicadellidae), with several species extensively studied for biological control of agricultural pests, particularly the glassy-winged sharpshooter (Homalodisca vitripennis). The genus is divided into five subgenera: Gonatocerus (nominate), Lymaenon, Cosmocomoidea, Gastrogonatocerus, and Gahanopsis, with species distributed across all major biogeographic regions.
egg-parasitoid biological-control leafhopper-parasitoid sharpshooter Mymaridae fairyfly integrated-pest-management Pierce's-disease Xylella-fastidiosa-vector-management
Gonatocerus morrilli
Gonatocerus morrilli is a mymarid wasp and specialized egg parasitoid of sharpshooters in the genus Homalodisca, particularly the glassy-winged sharpshooter (Homalodisca vitripennis, formerly H. coagulata). It has been widely used in California as a biological control agent against this pest, which vectors Xylella fastidiosa, the bacterium causing Pierce's disease in grapevines. Molecular studies have revealed significant genetic differentiation between California and Texas populations, with evidence suggesting the California population may represent a cryptic species. The species exhibits high parasitism efficiency, with females capable of parasitizing virtually all eggs in egg masses within 24 hours.
egg-parasitoid biological-control sharpshooter Xylella-fastidiosa Pierce's-disease Mymaridae cryptic-species integrated-pest-management
Habrobracon hebetor
Habrobracon hebetor is a minute braconid wasp and gregarious ectoparasitoid of lepidopteran larvae. Females paralyze host caterpillars with venom and lay up to 45 eggs externally on the host body; larvae feed on host hemolymph, leaving only the cuticle. One generation develops in 9–14 days under optimal conditions of 25–30°C and 70–80% relative humidity. The species is widely used in augmentative biological control programs against stored-product pests and field crop pests, with mass-reared releases achieving 70–90% biological efficacy. It exhibits high genetic diversity across geographic populations and can enter diapause for cold storage.
biological-control ectoparasitoid gregarious stored-product-pest diapause Wolbachia haplodiploid augmentative-biological-control post-harvest-pest-management integrated-pest-management
Haematobia
horn flies
Haematobia is a genus of biting muscid flies commonly known as horn flies. Adults are obligate blood-feeders on cattle and related bovids, with piercing-sucking mouthparts. The genus includes approximately 8 described species, with Haematobia irritans being the most economically significant pest of cattle in North America. Larvae develop exclusively in fresh cattle manure. Heavy infestations cause substantial economic losses through blood loss, reduced weight gain, and decreased milk production.
livestock-pest blood-feeding economic-pest vector integrated-pest-management insecticide-resistance
Haematobia irritans
Horn Fly
Haematobia irritans, the horn fly, is a small blood-feeding muscid fly native to Europe that has become a major livestock pest across North America, Latin America, and other regions. Adults are obligate hematophages that remain continuously on cattle hosts, feeding 20-40 times daily and causing significant economic losses through blood loss, stress, and reduced productivity. The species exhibits remarkable life history plasticity, with generation times as short as 10-14 days under optimal conditions and multiple annual generations. Overwintering strategies vary geographically: active adults persist year-round in tropical regions, while colder latitudes see pharate adult dormancy beneath dung pats. The horn fly has developed extensive insecticide resistance, driving research into alternative control methods including biological control, botanical repellents, and Wolbachia-based strategies.
livestock-pest blood-feeding veterinary-entomology insecticide-resistance integrated-pest-management Wolbachia economic-pest
Halyomorpha halys
Brown Marmorated Stink Bug, BMSB
Halyomorpha halys is an invasive shield bug native to East Asia that has become a major agricultural and nuisance pest across North America, Europe, and beyond. First detected in Pennsylvania in 1998, it has spread to at least 47 U.S. states, 4 Canadian provinces, and numerous European countries. The species is highly polyphagous, feeding on over 300 plant species across 49 families, with particular preference for Rosaceae. Its invasion success is facilitated by high mobility, broad host range, and absence of natural enemies in invaded ranges. Natural control is emerging through adventive populations of the egg parasitoid Trissolcus japonicus and other native predators and pathogens.
invasive-species agricultural-pest nuisance-pest polyphagous biological-control aggregation-pheromone overwintering-behavior integrated-pest-management shield-bug stink-bug Hemiptera Pentatomidae Trissolcus-japonicus gut-microbiome seasonal-phenology attract-and-kill monitoring-traps
Haplaxius crudus
American Palm Cixiid, palm leafhopper
Haplaxius crudus is a cixiid planthopper and the primary known vector of lethal yellowing phytoplasma, a devastating disease of palms. The species has a complex life cycle split between two distinct host groups: nymphs develop on grasses and sedges, while adults feed exclusively on palms. This host alternation makes management challenging, as nymphs and adults occupy different habitats. The species is economically significant across the Caribbean, Florida, and tropical America, where it has caused millions of palm deaths and substantial agricultural losses.
vector phytoplasma palm-pest planthopper cixiidae lethal-yellowing oil-palm coconut invasive-potential agricultural-pest monocot-feeder host-alternation integrated-pest-management sticky-trap-monitoring spatial-aggregation
Heilipus
pine weevils
Heilipus is a genus of New World weevils in the family Curculionidae, containing over 280 described species distributed from the southern United States to northern Argentina. The genus is characterized by two primary feeding guilds: seed borers that develop within fruits of Lauraceae, and trunk borers that tunnel into stems of host trees. Several species are significant agricultural pests, particularly of avocado (Persea americana) and other commercial crops. The Brazilian Atlantic Forest has been proposed as a possible center of origin for the genus based on high diversity of both weevils and host plants.
weevil Curculionidae Lauraceae Annonaceae avocado-pest seed-borer trunk-borer New-World agricultural-pest quarantine-pest pre-dispersal-seed-predator Atlantic-Forest integrated-pest-management
Hemileuca maia
buck moth
Hemileuca maia, commonly known as the buck moth, is a saturniid moth native to eastern North America. The species has expanded its range northward in recent decades. Adults are diurnal and do not feed. Larvae feed gregariously on oak foliage and possess urticating spines capable of causing painful reactions in humans and animals. The species has one generation per year, with eggs overwintering on host twigs. Recent taxonomic research has clarified the complex evolutionary relationships within the H. maia-nevadensis species complex, elevating several previously synonymized populations to species status.
Saturniidae oak-defoliator urticating-caterpillar diurnal-moth species-complex range-expansion medical-entomology integrated-pest-management pheromone-biology predator-prey-coevolution
Hemileuca oliviae
Range Caterpillar, Range Caterpillar Moth
Hemileuca oliviae, the range caterpillar, is a day-flying saturniid moth native to grasslands of the southwestern United States and northern Mexico. The species is notable for periodic population outbreaks that can cause significant damage to rangeland vegetation, impacting forage availability for livestock. Its distribution is restricted to open grassland habitats due to predation pressure from woodland rodents on eggs and pupae. The moth has been studied extensively for its ecological interactions, including host plant relationships, water physiology, and natural enemy complexes.
pest rangeland grassland outbreak rodent-predation parasitoid-host day-flying-moth Saturniidae Hemileuca southwestern-US Chihuahua New-Mexico livestock-forage-competition integrated-pest-management Anastatus-semiflavidus condensed-tannin-response water-physiology Peromyscus-truei pinyon-mouse-predation population-cycles MONA-number-7729 Hodges-number-7729
Hippodamia
Oblong Lady Beetles, Lady Beetles, Ladybugs
Hippodamia is a genus of lady beetles (Coccinellidae) containing several economically important species. The most common native North American species is H. convergens, which forms overwintering aggregations numbering in the millions and is widely used in biological control. Another notable species, H. variegata, has a cosmopolitan distribution across both hemispheres. Members of this genus are primarily aphidophagous predators valued in agriculture for pest management.
Coccinellidae lady-beetle biological-control aphid-predator overwintering-aggregation diapause H.-convergens H.-variegata H.-undecimnotata integrated-pest-management natural-enemy commercial-collection mark-release-recapture-studies
Homalodisca vitripennis
Glassy-winged Sharpshooter
Homalodisca vitripennis, commonly known as the glassy-winged sharpshooter, is a large leafhopper native to the southeastern United States and northeastern Mexico. It has become a major invasive pest in California, Hawaii, and the Pacific Islands, where it vectors Xylella fastidiosa, the bacterium causing Pierce's disease of grapevine—a lethal condition for vineyards. The species exhibits complex vibrational communication during mating, with males and females engaging in duets using species-specific signals. Populations in California's Central Valley have developed significant resistance to neonicotinoid insecticides, particularly imidacloprid, creating challenges for chemical management. Classical biological control using egg parasitoids from the genus Gonatocerus (family Mymaridae) has proven effective, with parasitism rates reaching 80-100% in some areas.
vector invasive pest biological-control insecticide-resistance vibrational-communication Xylella-fastidiosa Pierce's-disease integrated-pest-management Cicadellidae sharpshooter California-agriculture neonicotinoid-resistance egg-parasitoid Gonatocerus Cosmocomoidea
Hornaltica bicolorata
leaf-feeding beetle
Hornaltica bicolorata is a leaf-feeding beetle in the family Chrysomelidae. The species has been deployed as a biological control agent against the invasive weed Parthenium hysterophorus in East Africa, particularly Ethiopia and Uganda, where it has demonstrated consistent establishment. It was previously known under the synonym Zygogramma bicolorata in biocontrol literature. The beetle contributes to integrated pest management programs by defoliating the target weed.
biological-control invasive-species-management Parthenium-hysterophorus integrated-pest-management East-Africa Chrysomelidae leaf-beetle
Hyaliodes vitripennis
Hyaliodes vitripennis is a predatory mirid plant bug native to North America. In Quebec apple orchards, it serves as one of the most important biological control agents of spider mites and aphids when integrated pest management practices are employed. The species is univoltine, with adults appearing in late July to early August and populations peaking shortly thereafter. Adults spend nearly all their time on the undersides of leaves.
predatory-mirid biological-control apple-orchard spider-mite-predator aphid-predator integrated-pest-management Quebec North-America univoltine
Hyalopterus
Mealy Plum-Reed Aphids
Hyalopterus is a genus of aphids in the family Aphididae, commonly known as mealy plum-reed aphids. Species in this genus are cosmopolitan pests of stone fruit trees in the genus Prunus, causing damage through direct feeding and virus transmission. The genus has undergone recent taxonomic revision, with molecular and morphometric analyses supporting at least three distinct species: H. pruni, H. amygdali, and H. persikonus (the latter described in 2006). Species boundaries are strongly correlated with host-plant associations.
aphid pest Prunus stone-fruit virus-vector invasive host-alternation mealy-plum-aphid integrated-pest-management
Hylemya
root-maggot flies
Hylemya is a genus of root-maggot flies in the family Anthomyiidae, containing at least 30 described species. The genus includes several economically significant agricultural pests that attack crop roots and shoots. Species such as Hylemya antiqua (onion maggot), Hylemya brassicae (cabbage root maggot), and Hylemya arambourgi cause damage to cultivated plants including onions, cruciferous vegetables, and cereals. Larvae typically feed below ground on roots or bore into plant shoots, while adults may feed on nectar or other plant exudates.
root-maggot-flies agricultural-pests Anthomyiidae Diptera crop-pests integrated-pest-management