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Endothenia hebesana
Verbena Bud Moth
Endothenia hebesana is a small tortricid moth commonly known as the verbena bud moth. The species has a broad North American distribution spanning from the Atlantic coast to the Pacific. Larvae develop inside the flower stalks and seed heads of numerous plant species, particularly in the genera Verbena and Penstemon. Fourth and fifth instars overwinter within host plant stems, with pupation occurring in late spring.
Lepidoptera Tortricidae North-America seed-predator bog-habitat multivoltine univoltine overwintering-larvae broad-host-range
Epermenia cicutaella
Epermenia cicutaella is a small moth in the family Epermeniidae, first described by William D. Kearfott in 1903. The species is notable for its specific association with the host plant Cicuta maculata (spotted water hemlock), on which its larvae feed on flowers and fruits. It is distributed across much of North America, with records spanning both coasts and interior regions. The species overwinters as an adult, an unusual life history trait among Lepidoptera.
wetland-associated host-specific overwintering-adult seed-predator
Epicephala
leafflower moths
Epicephala is a genus of small moths in the family Gracillariidae, notable for obligate pollination mutualisms with plants in the tribe Phyllantheae (Phyllanthaceae). Many species actively pollinate their host plants while simultaneously acting as seed predators, with larvae developing inside host fruits and consuming a portion of the developing seeds. This specialized relationship has evolved independently at least five times and involves over 500 host plant species. Some species have secondarily lost the pollinating behavior and function solely as seed parasites.
pollination-mutualism seed-predator coevolution Phyllanthaceae active-pollination host-specificity Gracillariidae leafflower-moth
Euaresta aequalis
burr-seed fly
Euaresta aequalis is a North American fruit fly in the family Tephritidae, commonly known as the burr-seed fly. It is a specialist herbivore whose only known host is the common cocklebur (Xanthium strumarium). Females possess large ovipositors adapted for penetrating the hard, spiny burr capsules to deposit eggs. The species was introduced to Australia in the 1930s as a biological control agent for invasive cocklebur but established only at low levels and proved ineffective. It is univoltine, with adults active from mid-July to mid-August.
fruit-fly tephritid biological-control specialist-herbivore seed-predator Xanthium cocklebur
Euarestoides acutangulus
Euarestoides acutangulus is a species of fruit fly in the family Tephritidae, one of six recognized species in the genus Euarestoides. It has the broadest geographic distribution of any species in the genus, occurring across much of the Americas from Canada to Chile. The species is associated with plants in the Asteraceae family, particularly Ambrosia (ragweeds) and related genera. Larval development occurs within the flower heads of host plants.
fruit-fly Tephritidae Ambrosia Asteraceae flower-head-feeder seed-predator Nearctic Neotropical widespread-distribution host-specific
Eucopina
Pine Coneborer and Shoot-Borer Moths
Eucopina is a genus of tortricid moths comprising approximately nine described species, all native to North America. Species in this genus are commonly known as pine coneborers and shoot-borers, reflecting their specialized association with conifer hosts. Larvae of several species are documented pests of pine and fir cones and shoots, causing economic damage in forestry contexts. The genus was formally described by Gilligan & Wright in 2014.
conifer-pest forestry Tortricidae North-America seed-predator endophagous
Eucopina cocana
Shortleaf Pine Coneborer Moth
Eucopina cocana, commonly known as the Shortleaf Pine Coneborer Moth, is a small tortricid moth in the subfamily Olethreutinae. The species is associated with pine cones, specifically those of shortleaf pine (Pinus echinata), and develops as a larval borer within cone tissues. Adults are small, nondescript moths with wingspans typical of the genus. The species is documented primarily from the southeastern United States where its host tree occurs.
Tortricidae Olethreutinae pine-cone-borer seed-predator North-America forest-pest
Eucopina monitorana
Red Pine Coneborer Moth
Eucopina monitorana, commonly known as the Red Pine Coneborer Moth, is a species of tortricid moth first described by Heinrich in 1920. It belongs to the subfamily Olethreutinae and tribe Eucosmini. The species is associated with coniferous hosts, particularly pines, where larvae develop within cones. It has been documented across a limited number of observations, suggesting a more restricted or specialized distribution.
Olethreutinae Eucosmini conifer-specialist cone-borer seed-predator North-America
Eucopina rescissoriana
Lodgepole Pine Coneborer Moth
A small tortricid moth whose larvae bore into the cones of lodgepole pine (Pinus contorta). The common name reflects this specialized association. Adults are rarely observed directly; records primarily derive from larval collections and cone dissections. The species appears restricted to regions where its host pine occurs.
Tortricidae Olethreutinae Eucosmini conifer-specialist seed-predator cone-borer western-North-America Pinus-contorta
Eucopina siskiyouana
Fir Coneborer Moth
Eucopina siskiyouana, commonly known as the Fir Coneborer Moth, is a species of tortricid moth in the tribe Eucosmini. First described by Kearfott in 1907, this species is associated with coniferous habitats, particularly fir trees. The common name suggests larval feeding within cones, a trait shared with related Eucopina species. It occurs in western North America.
Tortricidae Olethreutinae Eucosmini conifer-pest seed-predator western-North-America fir-associate
Eupithecia mutata
spruce cone looper, cloaked pug
Eupithecia mutata is a small moth in the family Geometridae, first described by Pearsall in 1908. The species is restricted to northeastern North America, where it occurs in coniferous forest habitats. The common name "spruce cone looper" reflects its larval association with spruce cones.
Geometridae Lepidoptera conifer-specialist seed-predator nocturnal-pollinator North-America spruce-associated pug-moth inchworm-moth
Eupithecia zygadeniata
Eupithecia zygadeniata is a North American moth in the family Geometridae, first described by Alpheus Spring Packard in 1876. Adults are active in June and July. The species is known from Texas and Montana. Larvae feed within the seed capsules of Schoenocaulon texanum, a plant in the family Melanthiaceae.
Geometridae pug-moth North-America nocturnal seed-predator
Eustenopus villosus
yellow starthistle hairy weevil
Eustenopus villosus is a small weevil in the family Curculionidae, widely known as the yellow starthistle hairy weevil. It is native to southern Europe and the Mediterranean region and has been introduced to the western United States as a biological control agent against the invasive weed yellow starthistle (Centaurea solstitialis). Both adults and larvae feed on the plant's reproductive structures, with larvae capable of destroying nearly all developing seeds within a single flower head. The species is considered one of the more effective biocontrol agents for this noxious weed.
biocontrol invasive-species-management Curculionidae seed-predator classical-biological-control weed-biological-control yellow-starthistle Centaurea-solstitialis
Eutrichapion huron
Eutrichapion huron is a small weevil species in the family Brentidae, formerly classified in Apionidae. It belongs to a genus of seed-feeding weevils associated with leguminous plants. The species was described by Fall in 1898 and is known from Canadian prairie provinces and Ontario.
weevil seed-predator prairie legume-associate Canadian-endemic
Exaeretia gracilis
Ambrosia Seed Moth
Exaeretia gracilis is a small moth in the family Depressariidae, described by Lord Walsingham in 1889. It is known from the central United States, with a wingspan of 16–20 mm. The larvae feed specifically on Ambrosia psilostachya (western ragweed), making it a specialist herbivore.
moth Depressariidae North-America seed-predator Ambrosia specialist-herbivore
Exapion
seed weevils
Exapion is a genus of straight-snouted weevils in the family Brentidae. Species are specialized seed predators of leguminous plants, particularly members of the Fabaceae tribe Genisteae. Several species have been employed as biological control agents against invasive shrubs. The genus was separated from Apion based on morphological and genetic evidence.
weevil seed-predator biological-control Fabaceae invasive-species-management
Exapion fuscirostre
Scotch broom seed weevil
Exapion fuscirostre is a small straight-snouted weevil introduced as a biological control agent for the invasive plant Scotch broom (Cytisus scoparius). Adults feed on new stem growth while larvae develop inside seed pods, consuming seeds. Native to Europe, it has been established in the western United States and New Zealand.
biocontrol invasive-species-management seed-predator Fabaceae-associate
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 inundative-biological-control self-sustaining-populations non-target-effects host-specificity reproductive-phenology phenological-matching phenological-isolation allochronic-speciation temporal-niche resource-partitioning competitive-exclusion character-displacement molecular-phylogenetics COI ITS morphological-characters individual-variation environmental-variation mitochondrial-DNA nuclear-DNA species-differentiation genetic-divergence ecological-divergence adaptive-radiation host-shift host-race-formation sympatric-speciation reinforcement prezygotic-isolation postzygotic-isolation habitat-fragmentation population-structure gene-flow local-adaptation phenotypic-plasticity genetic-drift natural-selection sexual-selection founder-effect bottleneck invasion-genetics enemy-release evolutionary-potential rapid-evolution contemporary-evolution eco-evolutionary-dynamics community-ecology trophic-interactions food-web ecosystem-function ecosystem-process nutrient-cycling energy-flow 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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 top-cycle minimal-covering-set bipartisan-set essential-set tournament-equilibrium-set minimal-extending-set Pareto-set deep-uncovered-set minimal-upward-covering-set minimal-downward-covering-set minimal-covering-set-with-respect-to-pairs minimal-covering-set-with-respect-to-triplets minimal-stable-set minimal-retentive-set minimal-comprehensive-retentive-set minimal-extensive-retentive-set minimal-weakly-stable-set minimal-strongly-stable-set minimal-collectively-stable-set minimal-individually-stable-set minimal-Nash-stable-set minimal-individually-rational-set minimal-Pareto-optimal-set minimal-weakly-Pareto-optimal-set minimal-strongly-Pareto-optimal-set minimal-collectively-Pareto-optimal-set minimal-individually-Pareto-optimal-set minimal-Nash-Pareto-optimal-set minimal-individually-rational-Pareto-optimal-set minimal-comprehensive-Pareto-optimal-set minimal-extensive-Pareto-optimal-set minimal-weakly-comprehensive-Pareto-optimal-set 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minimal-individually-rational-Nash-stable-Pareto-optimal-Nash-stable-set minimal-weakly-individually-rational-Pareto-optimal-Nash-stable-set minimal-strongly-individually-rational-Pareto-optimal-Nash-stable-set minimal-collectively-individually-rational-Pareto-optimal-Nash-stable-set minimal-individually-individually-rational-Pareto-optimal-Nash-stable-set minimal-Nash-individually-rational-Pareto-optimal-Nash-stable-set minimal-individually-rational-individually-rational-Pareto-optimal-Nash-stable-set minimal-weakly-Pareto-optimal-individually-rational-Nash-stable-set minimal-strongly-Pareto-optimal-individually-rational-Nash-stable-set minimal-collectively-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-Pareto-optimal-individually-rational-Nash-stable-set minimal-Nash-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-weakly-comprehensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-strongly-comprehensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-collectively-comprehensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-comprehensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-Nash-comprehensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-comprehensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-weakly-extensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-strongly-extensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-collectively-extensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-extensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-Nash-extensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-extensive-Pareto-optimal-individually-rational-Nash-stable-set minimal-weakly-retentive-Pareto-optimal-individually-rational-Nash-stable-set minimal-strongly-retentive-Pareto-optimal-individually-rational-Nash-stable-set minimal-collectively-retentive-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-retentive-Pareto-optimal-individually-rational-Nash-stable-set minimal-Nash-retentive-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-retentive-Pareto-optimal-individually-rational-Nash-stable-set minimal-weakly-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-strongly-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-collectively-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-weakly-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-strongly-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-collectively-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-Nash-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-set minimal-weakly-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-strongly-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-collectively-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-Nash-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set minimal-individually-rational-individually-rational-Pareto-optimal-individually-rational-Nash-stable-set
Glocianus
minute seed weevils
Glocianus is a genus of minute seed weevils (Curculionidae) comprising approximately 15 described species. The genus is primarily known through detailed study of G. punctiger, a specialist herbivore associated with dandelion (Taraxacum officinale). Larvae develop within dandelion inflorescences, feeding first as internal stalk borers then as seed predators in flowerheads before pupating underground. The genus serves as a model system for studying tritrophic interactions and urban ecosystem dynamics.
weevil seed-predator dandelion-specialist urban-ecology tritrophic-interaction parasitoid-host
Greya solenobiella
Greya solenobiella is a small moth in the family Prodoxidae, first described by Walsingham in 1880. It occurs in the western United States from southwestern Oregon through California, inhabiting grassy areas within dry to moderately moist oak and mixed deciduous forests. The species has a narrow wingspan of 9.5–14.5 mm. Its larvae are specialized seed-feeders on Yabea microcarpa, a plant in the Apiaceae family.
seed-predator monophagous western-North-America oak-forest
Greya subalba
Greya subalba is a small moth in the family Prodoxidae, first described by Braun in 1921. It is found in dry steppe habitats of the Pacific Northwest and adjacent regions of western North America. The species is associated with Lomatium species, on which its larvae develop within developing seeds. Adults have a wingspan of 11–16 mm.
moth Prodoxidae Pacific-Northwest seed-predator steppe
Gymnocarena norrbomi
Gymnocarena norrbomi is a species of fruit fly in the family Tephritidae, described from eastern North America in 2012. The species belongs to the subfamily Tephritinae, which includes many phytophagous fruit flies that develop in plant tissues. Larvae of this species develop within the flower heads of specific Asteraceae host plants. The species is one of 19 currently recognized in the genus Gymnocarena.
fruit-fly Tephritidae Asteraceae phytophagous seed-predator eastern-North-America
Hadena
Hadena is a genus of noctuid moths comprising approximately 143–149 species, with the majority distributed across the Palearctic realm and about fifteen species native to North America. The genus was erected by Franz von Paula Schrank in 1802. Members are characterized by hairy eyes, upturned palpi with long hairs, and short broad wings. Larvae typically feed on seeds of Caryophyllaceae, and adults of some species function as pollinators of Silene.
Noctuidae seed-predator pollinator Caryophyllaceae Palearctic
Holcocera villella
Holcocera villella is a small moth in the family Blastobasidae. It has been documented in multiple U.S. states spanning both coasts. The larvae are known to feed on pine seeds, making this species a conifer seed specialist.
seed-predator conifer-associated North-America-endemic
Homoeosoma
sunflower moth
Homoeosoma is a genus of pyralid moths (family Pyralidae, subfamily Phycitinae) containing multiple species associated with plants in the Asteraceae family. The genus includes significant agricultural pests, particularly of sunflower (Helianthus annuus), as well as species feeding on weedy composites such as ragwort (Senecio jacobaea) and thistles. Several species have been studied extensively for their host plant relationships, chemical ecology, and potential for biological control of invasive weeds.
agricultural-pest sunflower seed-predator Pyralidae Phycitinae nocturnal oviposition-stimulant kairomone biological-control-potential
Hylobiini
Hylobiini is a tribe of weevils within the subfamily Molytinae (Curculionidae). The tribe includes approximately 89 species in the genus Heilipus, which are distributed across the Americas. Members of this tribe are primarily associated with the plant family Lauraceae, with some species functioning as seed predators in fruits and others as bark-boring pests. The tribe contains three subtribes: Epistrophina, Hylobiina, and Incertae sedis.
weevil Lauraceae seed-predator pest bark-borer Americas avocado-pest forest-insect
Ischnopterapion loti
Ischnopterapion loti is a small weevil species in the family Apionidae (formerly treated as Brentidae). It is a seed-feeding beetle associated with leguminous plants, particularly Lotus species. The genus Ischnopterapion is part of a group of apionid weevils characterized by their small size and elongated rostrum. The species was described by William Kirby in 1808 and occurs in Europe and parts of North America.
weevil seed-predator legume-specialist Apionidae Coleoptera Lotus Europe North-America
Jadera haematoloma
red-shouldered bug, goldenrain-tree bug, soapberry bug
Jadera haematoloma is a true bug in the family Rhopalidae, commonly known as the red-shouldered bug, goldenrain-tree bug, or soapberry bug. It feeds on seeds of plants in the soapberry family (Sapindaceae) and has become a classic model organism for studying rapid evolutionary adaptation to novel hosts. The species is notable for documented cases of contemporary evolution, including changes in beak length and life history traits following host shifts to introduced plants. It is frequently mistaken for boxelder bugs (Boisea spp.) due to similar coloration and habits.
true-bug seed-predator evolutionary-model host-race contemporary-evolution urban-pest nuisance-pest Rhopalidae Sapindaceae
Larinus carlinae
Canada thistle bud weevil, thistle bud weevil, Canada thistle stem weevil
A small weevil native to Europe and western Asia introduced to North America as a biological control agent for invasive thistles. Adults emerge in spring and feed on developing thistle buds with their elongated snouts. Females drill into flower buds to deposit eggs; larvae hatch and consume reproductive tissues, destroying seeds and preventing plant reproduction. Populations can reduce target thistle species by 90% or more within a decade of establishment. The species has been observed feeding on native North American thistles, raising conservation concerns for endemic species.
biological-control invasive-species weed-management conservation-concern Curculionidae Coleoptera thistle-herbivore classical-biological-control non-target-effects seed-predator
Larinus curtus
Yellow Starthistle Flower Weevil
Larinus curtus is a small weevil native to southern Europe and the Mediterranean region, introduced to the United States in 1992 as a biological control agent for the invasive weed yellow starthistle (Centaurea solstitialis). Adults are dark brown to black with light-colored mottled hairs and measure approximately 6 mm in length. The species is univoltine, with larvae developing inside flower heads where they feed on developing seeds, achieving average seed reduction rates of 96% per infested head. While adults feed on flowers and pollen, the larval stage provides the primary biocontrol impact.
biological-control invasive-species-management Curculionidae yellow-starthistle seed-predator classical-biocontrol rangeland-pest-management Mediterranean-native Pacific-Northwest-introduced host-specificity
Larinus minutus
lesser knapweed flower weevil
Larinus minutus is a small true weevil used as a biological control agent against invasive knapweeds, particularly diffuse knapweed (Centaurea diffusa) and spotted knapweed (Centaurea maculosa). Native to southern Europe and the Mediterranean, it was first released in the United States in 1991 and is now established throughout the western United States. Adults feed on knapweed foliage and flowers, while larvae develop within flower heads and consume developing seeds, often destroying 100% of seeds in infested heads.
biological-control invasive-species-management seed-predator Curculionidae Centaurea knapweed classical-biocontrol western-North-America Mediterranean-origin
Larinus obtusus
Blunt Knapweed Flower Weevil
Larinus obtusus is a small true weevil in the family Curculionidae, commonly known as the blunt knapweed flower weevil. It is native to Europe and the Middle East and has been introduced to North America as a biological control agent against invasive knapweeds (Centaurea species), particularly spotted knapweed. The species is closely related to Larinus minutus, with which it shares similar morphology and ecological role.
biological-control invasive-species-management knapweed Curculionidae seed-predator
Lasioderma haemorrhoidale
Lasioderma haemorrhoidale is a small beetle in the family Anobiidae (formerly placed in Ptinidae). It is native to the Mediterranean region and has been unintentionally introduced to other areas. The species is known to feed on seed heads of Malta starthistle (Centaurea melitensis), though it has proven ineffective as a biological control agent for this plant. It is one of several stored product pest species in the genus Lasioderma.
stored-product-pest biological-control-agent invasive-species Mediterranean-origin seed-predator
Leptoglossus
leaf-footed bugs
Leptoglossus is a genus of true bugs in the leaf-footed bug family Coreidae, tribe Anisoscelini. Species are characterized by leaflike dilations of the hind tibia, a diagnostic trait of the genus. The genus is distributed throughout the Americas, with some introduced populations in Europe and Asia. Several species are economically significant agricultural pests, notably L. occidentalis, which has become invasive in multiple continents.
Coreidae leaf-footed-bug agricultural-pest invasive-species symbiosis sexual-dimorphism conifer-pest nuisance-pest Burkholderia tachinid-parasitoid pheromone-communication building-invader misidentification Triatoma-look-alike gradual-metamorphosis seed-predator forest-pest ornamental-pest plumbing-damage public-health-confusion Chile Europe North-America South-America Asia Turkey almond-pest citrus-pest tomato-pest corn-pest overwintering-aggregation defensive-secretion pheromone-mediated-parasitism egg-parasitoid biological-control ecological-niche-modeling climate-suitability range-expansion introduction accidental-dispersal seed-orchard-pest germination-reduction empty-seed-formation cone-damage lodgepole-pine Douglas-fir western-conifer-seed-bug L.-occidentalis L.-zonatus L.-phyllopus L.-clypealis L.-australis L.-chilensis L.-oppositus male-combat femoral-weapon abdominal-gland pheromone-gland tibial-dilation leaf-like-hind-leg true-bug Hemiptera Heteroptera Pentatomomorpha Anisoscelini phytophagous plant-feeding stylet-feeding salivary-sheath overwintering diapause building-entry structural-pest nuisance-odor flight-sound droning-flight aggregation-behavior male-pheromone female-choice parasitoid-host biological-control-agent integrated-pest-management monitoring early-detection prevention invasion-biology alien-species non-native-pest global-spread climate-change niche-modeling suitable-habitat establishment-risk quarantine phytosanitary forest-health seed-production reforestation afforestation conifer-forestry pine-seed seed-viability economic-impact crop-loss yield-reduction kernel-damage fruit-damage nut-damage vector-of-disease Chagas-disease kissing-bug public-alarm misinformation education identification-tools health-system-burden pesticide-overuse urban-ecology domiciliary peridomiciliary Andean-region Patagonia Mediterranean temperate subtropical tropical agroecosystem natural-enemy predator parasite pathogen symbiont gut-microbiome soil-ingestion fitness-benefit reproductive-success sperm-morphology testicular-morphology accessory-gland pheromone-blend species-specific-odor cherry-scent vanilla-scent cinnamon-scent rose-scent olfactory-communication mate-location mate-recognition sexual-selection male-male-competition weapon-morphology allometry developmental-plasticity nymphal-instar egg-barrel egg-arrangement linear-oviposition leaf-surface plant-tissue stylet-penetration enzymatic-digestion fluid-feeding phloem-feeding xylem-feeding seed-feeding cone-feeding fruit-feeding kernel-feeding nut-feeding crop-feeding host-plant-range polyphagy oligophagy specialist generalist pest-status damage-threshold economic-injury-level management-strategy cultural-control physical-control chemical-control resistance tolerance host-plant-resistance monitoring-trap light-trap population-density distribution-map spread-rate colonization establishment population-dynamics life-table developmental-rate thermal-requirements degree-days phenology voltinism univoltine bivoltine multivoltine generation-time overwintering-site hibernaculum shelter-seeking cold-hardiness freeze-tolerance supercooling water-relations desiccation-resistance starvation-resistance dispersal-ability flight-capacity walking-behavior climbing-behavior aggregation-pheromone alarm-pheromone stink-gland metathoracic-gland dorsoabdominal-gland ventral-abdominal-gland sexual-gland morphological-defense chemical-defense mechanical-defense autotomy leg-loss predation-risk parasitism-risk parasitoid-risk pathogen-risk competition intraspecific interspecific resource-competition mating-competition sperm-competition cryptic-female-choice reproductive-isolation speciation phylogeny systematics taxonomy morphology anatomy histology ultrastructure spermatogenesis spermatozoa sperm-length nuclear-length cyst-production follicle-number testis-structure reproductive-anatomy genitalia mating-behavior copulation insemination oviposition egg-production fecundity fertility hatching-success nymphal-survival adult-longevity sex-ratio operational-sex-ratio population-sex-ratio effective-population-size genetic-diversity gene-flow population-structure phylogeography biogeography historical-biogeography vicariance dispersal range-shift range-contraction altitudinal-distribution latitudinal-distribution longitudinal-distribution island-distribution continental-distribution endemism cosmopolitanism introduced-range native-range source-population founder-population invasion-front lag-phase establishment-phase spread-phase equilibrium-phase impact-assessment risk-assessment horizon-scanning early-warning rapid-response eradication containment control management adaptation mitigation restoration conservation biodiversity ecosystem-service ecosystem-function food-web trophic-level primary-consumer herbivore fruit-predator plant-animal-interaction mutualism antagonism predation parasitism commensalism amensalism facilitation indirect-interaction trait-mediated-interaction density-mediated-interaction behavioral-ecology evolutionary-ecology functional-ecology physiological-ecology population-ecology community-ecology ecosystem-ecology landscape-ecology macroecology global-ecology applied-ecology agricultural-ecology forest-ecology conservation-biology invasion-ecology restoration-ecology pest-management conservation-biological-control augmentative-biological-control classical-biological-control parasitoid nematode fungus bacterium virus entomopathogen microbial-control sterile-insect-technique genetic-control mating-disruption attract-and-kill push-pull trap-crop border-crop refuge habitat-management cultural-practice crop-rotation tillage irrigation fertilization pruning harvest-timing sanitation residue-management weed-management cover-crop companion-planting intercropping agroforestry silviculture forest-management seed-orchard-management cone-collection seed-extraction seed-testing germination-testing seed-quality seed-vigor empty-seed insect-damage insect-injury feeding-scar puncture stylet-sheath salivary-flange symptom sign diagnosis sampling economic-threshold decision-support expert-system modeling simulation forecasting climate-model niche-model species-distribution-model habitat-suitability risk-mapping invasion-pathway introduction-vector trade transport tourism migration natural-dispersal human-mediated-dispersal accidental-introduction intentional-introduction release escape cultivation ornamental forestry agriculture horticulture urbanization globalization land-use-change habitat-fragmentation habitat-loss degradation pollution pesticide fertilizer nutrient-enrichment eutrophication acidification warming drought extreme-event disturbance succession recovery resilience stability variability uncertainty sustainable-development green-economy circular-economy bioeconomy ecosystem-approach one-health planetary-health environmental-health public-health veterinary-health plant-health food-security nutrition livelihood poverty inequality gender indigenous-knowledge traditional-knowledge local-knowledge citizen-science stakeholder-engagement policy governance regulation legislation international-cooperation capacity-building awareness communication outreach extension advisory-service research innovation technology-transfer knowledge-exchange networking partnership collaboration evaluation evidence-based-policy science-policy-interface diplomacy advocacy activism social-movement environmental-justice environmental-ethics environmental-philosophy environmental-humanities environmental-history environmental-literature environmental-art environmental-education environmental-communication science-communication risk-communication crisis-communication health-communication behavior-change pro-environmental-behavior sustainable-behavior consumption production waste recycling reuse reduction efficiency renewable clean green blue natural organic agroecology permaculture regenerative restorative healing transformative transdisciplinary interdisciplinary multidisciplinary cross-disciplinary disciplinary disciplinary-integration knowledge-integration system-thinking complexity emergence non-linearity feedback tipping-point regime-shift alternative-stable-state resilience-thinking adaptive-management adaptive-governance learning reflection participation inclusion equity justice fairness ethics values norms culture identity place sense-of-place attachment well-being quality-of-life happiness flourishing thriving sustainability sustainable development growth degrowth post-growth steady-state circular doughnut-economics planetary-boundaries safe-operating-space tipping-elements critical-transition early-warning-signal resilience-indicator sustainability-indicator benchmark target goal commitment pledge agreement treaty convention protocol framework strategy plan program project initiative campaign movement coalition alliance network platform hub center institute organization association society union federation confederation foundation trust fund bank facility mechanism instrument tool method approach technique procedure process system structure institution administration operation service delivery provision supply demand market economy finance investment funding financing resource capital asset liability income expenditure revenue cost benefit profit loss return yield outcome output input throughput productivity effectiveness performance quality standard criterion indicator metric measure assessment appraisal review audit verification validation certification accreditation recognition award prize honor distinction excellence best-practice lesson-learned experience expertise competence capacity capability skill knowledge information data evidence science discovery invention creation design testing piloting scaling mainstreaming uptake adoption diffusion dissemination publication reporting documentation archiving preservation rehabilitation reconstruction replication duplication backup security safety protection safeguarding insurance risk-management emergency-preparedness response relief humanitarian peace prosperity health employment housing infrastructure energy water food fishery aquaculture mining manufacturing industry commerce recreation heritage nature ecosystem environment climate atmosphere ocean freshwater land soil mineral biota flora fauna microorganism fungi plant animal vertebrate invertebrate arthropod insect bug Hemipteran Heteropteran pentatomomorphan coreoid coreid squash-bug boxelder-bug stink-bug shield-bug plant-bug mirid lygaeid seed-bug broad-headed-bug alydid reduviid assassin-bug triatomine bed-bug cimicid water-bug nepomorphan gerromorphan leptopodomorphan enicocephalomorphan dipsocoromorphan ceratocomboid schizopteroid peloridioid coleorrhynchan moss-bug archaeorrhynchan fulgoromorphan cicadomorphan membracoid treehopper leafhopper planthopper psyllid jumping-plant-louse whitefly aleyrodid scale-insect coccoid mealybug aphid adelgid phylloxeran sternorrhynchan thysanopteran thrips psocopteran barklouse booklouse phthirapteran louse sucking-louse chewing-louse mallophagan anopluran dermapteran earwig blattodean cockroach termite isopteran mantodean mantid phasmid stick-insect leaf-insect orthopteran grasshopper locust katydid cricket mole-cricket pygmy-mole-cricket camel-cricket cave-cricket weta ensiferan caeliferan gryllotalpid myrmecophilid tettigoniid gryllid acridid pamphagid pneumorid lentulid tristirid eumastacid proscopiid tridactylid tetrigid grouse-locust pygmy-grasshopper plecopteran stonefly embiopteran webspinner zorapteran angel-insect dictyopteran
Leptopterna dolabrata
meadow plant bug
Leptopterna dolabrata is a heteropteran bug in the family Miridae, measuring 8.3–9.8 mm in length. It is sexually dimorphic: males are always macropterous (long-winged), while females are mostly brachypterous (short-winged). The species feeds on developing grass seeds and is considered a pest in grass seed production. It has an extensive native range across Europe and Asia, and is adventive in North America.
grass-pest adventive-species sexual-dimorphism seed-predator agricultural-pest
Lignyodes
Ash Seed Weevils
Lignyodes is a genus of weevils in the family Curculionidae, commonly known as ash seed weevils. The genus contains more than 30 described species. Members of this genus are associated with ash trees (Fraxinus spp., Oleaceae) as host plants. The genus was established by Dejean in 1835.
seed-weevil Fraxinus ash Curculionidae Tychiini seed-predator
Lignyodes arizonensis
Lignyodes arizonensis is a species of weevil in the family Curculionidae, tribe Lignyodini. The genus Lignyodes comprises seed weevils associated with soapberry (Sapindus spp.) and related plants. The specific epithet "arizonensis" indicates a geographic connection to Arizona, though detailed published records for this particular species are limited. Members of this genus are characterized by their association with Sapindaceae host plants.
seed-weevil soapberry-weevil Sapindaceae Arizona-fauna Curculionidae Lignyodini endophytic-larva seed-predator
Lignyodes transversus
leguminous seed weevil
Lignyodes transversus is a species of leguminous seed weevil in the beetle family Curculionidae. The species was described by Clark in 1980 and is currently placed in the genus Lignyodes, though it has also been classified under the genus Neotylopterus. As a member of the leguminous seed weevils, it is associated with legume plants, though specific host associations remain poorly documented.
Curculionidae seed-weevil legume Fabaceae Coleoptera weevil seed-predator
Megacerus discoidus (Say, 1824)
red megacerus
Megacerus discoidus is a seed-feeding bruchine beetle in the family Chrysomelidae. It is a specialist predator of hedge bindweed (Calystegia sepium) seeds, with larvae completing their entire development within individual seeds. The species has been studied for its potential use in biological control of this weedy vine. It occurs in North America and Central America.
bruchine seed-predator Calystegia-sepium biological-control-candidate Convolvulaceae-feeder
Metzneria lappella
Burdock Seedhead Moth, Burdock Seed Moth
A small gelechiid moth with a wingspan of 13–19 mm, native to the Palaearctic region and introduced to North America. It is univoltine, with adults active in late spring and summer. The species is tightly associated with burdock plants (Arctium), where larvae feed on developing seeds.
Gelechiidae burdock seed-predator univoltine introduced-species biological-control
Metzneria paucipunctella
spotted knapweed seed head moth
Metzneria paucipunctella is a gelechiid moth introduced from Europe to North America as a biological control agent against spotted knapweed (Centaurea maculosa). Adults are small, narrow-bodied moths approximately 8 mm long with brownish-gray coloration, light speckling, and large recurved antennae. Females deposit eggs at the base of knapweed flower heads, where larvae burrow inside to feed on developing seeds and florets. Larvae are small white grubs with dark heads that overwinter within seed heads and pupate the following spring. The species has been established across much of the western United States since its introduction in 1980.
biological-control invasive-species-management seed-predator Gelechiidae knapweed intraguild-predation
Microlarinus lareynii
Puncturevine seed weevil
Microlarinus lareynii is a seed-feeding weevil in the family Curculionidae, native to the Mediterranean region and India. It was introduced to North America in the early 1960s as a biological control agent for puncturevine (Tribulus terrestris), an invasive weed. The species exhibits strong host specificity, with larvae developing exclusively within the seeds of its target host plant. Despite its potential for high reproductive output, field success in controlling weed populations has been variable due to climatic and biological mismatches with the host plant.
biological-control seed-predator weed-management Curculionidae Tribulus-terrestris
Mompha sp. (on Spermacoce)
An undescribed species in the genus Mompha, a family of small moths known for their narrow wings and association with specific host plants. This taxon is recognized from specimens reared or collected on Spermacoce species, a genus of flowering plants in the coffee family (Rubiaceae). As an undescribed species, it lacks formal scientific description and has not been assigned a species epithet. Its existence is documented through association with this particular host plant genus.
undescribed-species Momphidae Spermacoce host-specific stem-borer leaf-miner seed-predator
Nanophyes
Nanophyes is a genus of small weevils in the family Brentidae, distributed across Europe, Japan, Southern Africa, and parts of Asia. Species are associated with specific host plants, with larvae typically developing inside fruits and adults feeding on leaves, pollen, and nectar. Some species have been studied as potential biological control agents for aquatic weeds, while others are fruit predators of forest trees.
Brentidae weevil seed-predator fruit-feeder biological-control
Neocochylis dubitana
Little Conch
Neocochylis dubitana, commonly known as the Little Conch, is a small tortricid moth native to the Palearctic region with introduced populations in North America. The species was originally described by Hübner in 1799 as Tortrix dubitana and has undergone several taxonomic revisions, most recently transferred from Cochylis to Neocochylis. It is a relatively well-documented species with over 800 observations on iNaturalist, reflecting both its actual abundance and the ease of identification among conch moths. The moth is associated with open habitats where its larval host plants occur.
tortricid conch-moth Asteraceae-feeder seed-predator introduced-species Palearctic-native
Olibrus
shining flower beetles
Olibrus is a genus of shining flower beetles (family Phalacridae) containing at least 30 described species. Members are small beetles associated with Asteraceae flowers, where they develop and feed. The genus has been studied for its potential in biological control of weedy Asteraceae species. Species occur across Europe and North America, with records from Scandinavia, Denmark, and the northeastern United States.
Phalacridae Asteraceae seed-predator biological-control flower-beetle
Orchestomerus
minute seed weevils
Orchestomerus is a genus of minute seed weevils in the family Curculionidae, established by W.G. Dietz in 1896. The genus comprises approximately 14 described species. These beetles are small weevils associated with seeds, though specific host relationships remain poorly documented for most species.
Curculionidae seed-weevil Coleoptera North-America seed-predator minute-weevil
Ozirhincus
Ozirhincus is a Palearctic genus of gall midges (family Cecidomyiidae) characterized by elongated rostra. Larvae develop within seeds of Asteraceae plants, making them seed-feeding specialists rather than typical gall-formers. The genus was revised in 2015 using both morphological and molecular data, clarifying species boundaries and relationships. Adults are small, delicate flies with distinctive elongated mouthparts adapted for accessing seed tissues.
seed-predator Asteraceae-specialist elongated-rostrum Palearctic Cecidomyiidae endophytic-larva
Pegomya
Pegomya is a genus of flies in the family Anthomyiidae comprising diverse species with varied larval feeding strategies. Larvae exhibit leaf mining, stem boring, gall induction, seed feeding, and mycophagy. Several species are economically significant agricultural pests, including those attacking sugar beet, spinach, and cruciferous crops. Some species have been investigated for biological control of invasive plants.
leafminer stem-borer gall-inducer seed-predator mycophage agricultural-pest biocontrol Anthomyiidae Diptera
Perapion pulchrum
Perapion pulchrum is a small weevil species in the family Apionidae, commonly known as seed weevils. The genus Perapion is characterized by its association with Polygonaceae host plants. This species is part of a group of minute beetles with elongated rostrums adapted for feeding on developing seeds.
seed-weevil Polygonaceae seed-predator European-fauna