Biological-control
Guides
Drino
Drino is a genus of tachinid flies (Diptera: Tachinidae) comprising parasitoid species that attack lepidopteran and other arthropod hosts. Species are primarily endoparasitoids, with larvae developing within host haemocoels. Several species exhibit distinctive biological traits including ovolarviparity (larviparity), gregarious development, and sophisticated immune evasion mechanisms. The genus has been recorded across Europe, Asia, and North America, with individual species showing varying degrees of host specificity from generalist to specialist parasitoids.
Dryinidae
Pincer Wasps
Dryinidae is a cosmopolitan family of solitary wasps comprising over 1900 described species across 11-15 subfamilies and 50-57 genera. The family name derives from the Greek 'drys' (oak), as the first species was collected on an oak tree in Spain. Adults are small to medium-sized wasps (0.9-13 mm) with distinctive morphological features including a constricted 'wasp waist,' 10-segmented antennae, and often pronounced sexual dimorphism. The larvae are obligate parasitoids of nymphs and adults of Auchenorrhyncha (leafhoppers, planthoppers, and cicadas).
Dryinus
pincer wasps
Dryinus is a cosmopolitan genus of dryinid parasitic wasps comprising over 340 fossil and extant species, making it the most diverse genus in the subfamily Dryininae. Species are distributed worldwide, with 103 species reported from the Neotropics alone. These wasps are ectoparasitoids of Hemiptera, particularly planthoppers and related groups. Females exhibit sexual dimorphism with a distinctive chelate (pincer-like) protarsus used in host capture.
Dufouriellus ater
Dufouriellus ater is a predatory true bug in the family Anthocoridae, distributed across the Palearctic region and introduced to North America. It is a small, dark-colored insect that feeds on other small arthropods. The species has been observed in various temperate habitats and is known for its role as a biological control agent against pest insects.
Duponchelia
European pepper moth (D. fovealis)
Duponchelia is a genus of snout moths (family Crambidae) established by Zeller in 1847. The genus contains at least five described species, with Duponchelia fovealis being the most economically significant and widely studied. D. fovealis, commonly known as the European pepper moth, has become a major invasive pest of protected crops, particularly strawberries, across multiple continents. The genus is characterized by its association with diverse host plants and its importance in agricultural pest management research.
Dysaphis
Dysaphis is a genus of aphids comprising over 100 species distributed across Europe, North America, and Australia. Species within this genus are primarily associated with dicotyledonous host plants, though some have been recorded on monocots. Several species are significant agricultural pests, particularly Dysaphis plantaginea (rosy apple aphid), which infests apple orchards. Like other aphids, Dysaphis species maintain an obligate nutritional symbiosis with the bacterium Buchnera, which enables them to subsist on phloem sap by synthesizing essential amino acids.
Eiphosoma
Eiphosoma is a genus of ichneumonid wasps in the subfamily Cremastinae, established by Cresson in 1865. Species in this genus are larval endoparasitoids primarily associated with noctuid moth larvae, particularly the fall armyworm (Spodoptera frugiperda). Several species have been investigated as biological control agents for agricultural pests, with E. vitticolle and E. laphygmae receiving particular attention for their potential in integrated pest management. The genus exhibits a New World distribution centered in the Neotropics, with documented species from Cuba, Colombia, Mexico, Brazil, and Costa Rica.
Elachertus
Elachertus is a genus of small parasitoid wasps in the family Eulophidae. Species within this genus are primarily larval ectoparasitoids of Lepidoptera, with documented associations on hosts including tortricid, geometrid, syntomid, and gelechiid moths. Several species have been studied for their potential in biological control of forest and agricultural pests. The genus exhibits variation in life history strategies, with most species being idiobiont ectoparasitoids, though at least one species (E. scutellatus) has been reported as koinobiont.
Elateroidea
Click, Firefly, and Soldier Beetles
Elateroidea is a large superfamily of beetles comprising approximately 25,000 species across multiple families. It includes the familiar click beetles (Elateridae), fireflies and glow-worms (Lampyridae and related families), and soldier beetles (Cantharidae). The superfamily exhibits remarkable morphological diversity, ranging from hard-bodied forms with five abdominal ventrites to soft-bodied forms with 7-8 ventrites connected by membranes. Bioluminescence has evolved independently in multiple lineages, particularly within the lampyroid clade and certain Elateridae. A distinctive clicking mechanism using a prothoracic peg and mesothoracic cavity is present in several sclerotized families, enabling the characteristic jumping behavior of click beetles.
Elatophilus
minute pirate bugs
Elatophilus is a genus of minute pirate bugs (family Anthocoridae) comprising approximately 15 described species. Species in this genus are specialist predators associated with coniferous trees, particularly pine. Several species have been studied as biological control agents of scale insects that damage commercially important pine stands. The genus shows strong host-specificity, with life cycles tightly coupled to their prey and host tree phenology.
Elgiva
snail-killing flies, marsh flies
Elgiva is a genus of snail-killing flies in the family Sciomyzidae, comprising approximately eight described species. These predatory flies are specialized in hunting aquatic or semi-aquatic snails, with larvae developing as parasitoids or predators of molluscan hosts. The genus has been studied for its biological control potential against pest snail populations.
Elophila obliteralis
Waterlily Leafcutter Moth
Elophila obliteralis is a small aquatic moth native to eastern North America, with introduced populations in Hawaii, South Africa, and England. Adults have a wingspan of 10–22 mm and are active from May to August. The larvae are aquatic, feeding on diverse aquatic plants and constructing protective cases from cut leaf pieces held together with silk. The species has been investigated as a biological control agent for invasive aquatic plants including Nymphoides peltata and Hygrophila polysperma.
Enarmonia
cherry bark tortrix (E. formosana)
Enarmonia is a genus of tortricid moths in the subfamily Olethreutinae. The genus contains approximately six described species, with Enarmonia formosana (cherry bark tortrix) being the most extensively studied due to its economic significance as a pest of Prunus species. Larvae develop as concealed feeders under bark, mining the cambium layer. Adults are active in spring and communicate via species-specific sex pheromones.
Enarmonia formosana
cherry-bark moth, cherry bark tortrix, cherrybark tortrix
A small tortricid moth native to Europe, Asia, and North Africa, with introduced populations in North America. Adults are active from May to October in temperate regions. Larvae tunnel beneath bark of mature Rosaceae trees, producing reddish frass at tunnel entrances. The species serves as host for multiple hymenopterous parasitoids in Europe and is managed using synthetic sex pheromones in North America.
Encarsia
Encarsia is a large genus of minute parasitic wasps in the family Aphelinidae, comprising approximately 400–473 described species with worldwide distribution. The genus exhibits complex morphological variation that complicates species-level identification. Many species are economically important biological control agents used in greenhouse and agricultural settings against whiteflies and scale insects.
Encarsia citrina
Encarsia citrina is a minute parasitoid wasp in the family Aphelinidae that serves as an important biological control agent of armored scale insects. The species attacks multiple scale hosts including euonymus scale (Unaspis euonymi), greedy scale (Hemiberlesia rapax), and Fiorinia externa. Research has demonstrated that pesticide applications can significantly reduce parasitoid populations and disrupt biological control services. The species exhibits temperature-dependent searching efficiency and host age preference in its foraging behavior.
Encarsia formosa
Greenhouse Whitefly Parasitoid Wasp
Encarsia formosa is a minute chalcidoid wasp in the family Aphelinidae, renowned as one of the first biological control agents used commercially for greenhouse pest management beginning in the 1920s. Females are approximately 0.6 mm in length and exhibit a distinctive black body with yellow abdomen and opalescent wings. The species reproduces asexually via thelytoky induced by Wolbachia bacterial infection; males are produced but are incapable of inseminating females. This parasitoid attacks at least 15 whitefly species, with primary hosts including Trialeurodes vaporariorum (greenhouse whitefly) and Bemisia tabaci (silverleaf whitefly).
Encarsia lanceolata
Encarsia lanceolata is a species of parasitoid wasp in the family Aphelinidae, described by Evans and Polaszek in 1997. The genus Encarsia comprises minute chalcidoid wasps that parasitize whiteflies and other hemipteran hosts. Species in this genus are extensively studied for their importance in biological control programs targeting agricultural pests. E. lanceolata belongs to a genus noted for its extensive cryptic species diversity, making accurate identification dependent on detailed morphological or molecular analysis.
Encarsia nigricephala
Encarsia nigricephala is a parasitoid wasp species in the family Aphelinidae, described by Dozier in 1937. The species name refers to its dark (black) head. Like other members of the genus Encarsia, it is likely a parasitoid of whiteflies (Aleyrodidae), though specific host records for this species are not well documented in the available literature. The species has been recorded from the southeastern United States (Florida, Georgia, Maryland), the Caribbean (Martinique), and South America (Minas Gerais, Brazil).
Encyrtidae
Encyrtidae is a large family of parasitic wasps in the superfamily Chalcidoidea, comprising approximately 3,710 described species in about 455 genera. The family is distinguished by distinctive wing venation patterns, forward-migrated cerci on the metasoma with accompanying tergite distortion, and an enlarged mesopleuron with anteriorly positioned mesocoxae. Most species are primary parasitoids of Hemiptera, particularly scale insects, mealybugs, and psyllids, though host associations span multiple insect orders and even include ticks. Encyrtidae are globally distributed across virtually all terrestrial habitats and are among the most important biological control agents used in agriculture.
Encyrtinae
Encyrtinae is a large subfamily of parasitoid wasps within the family Encyrtidae (Hymenoptera: Chalcidoidea). Members are primarily endoparasitoids of insect eggs and immature stages, with documented hosts including hemipterans (pentatomoid bugs, whiteflies, scale insects), lepidopterans, cockroaches, and even ticks (genus Ixodiphagus). The subfamily contains over 300 genera and is distributed worldwide. Several species have been deployed or have arrived adventively as biological control agents of agricultural and urban pests.
Encyrtus
Encyrtus is a genus of parasitoid wasps in the family Encyrtidae, containing approximately 96 described species. These small chalcidoid wasps are specialized parasitoids of soft scale insects (Coccidae), playing important roles in regulating scale populations in both natural and urban ecosystems. Several species have been studied for their potential use in biological control of scale insect pests.
Enicospilus
Enicospilus is a megadiverse genus of large ichneumonid wasps comprising over 700 described species worldwide. Members exhibit 'ophionoid facies' with orange-brown bodies, extremely large ocelli arranged in a triangle, and long antennae. These wasps are unusual among Hymenoptera for their nocturnal or crepuscular activity and strong attraction to artificial lights. They are koinobiont endoparasitoids of moderately large lepidopteran larvae, including families such as Lasiocampidae, Noctuidae, and Saturniidae. Species delimitation is notoriously difficult due to limited diagnostic morphological characters, resulting in frequent taxonomic confusion including synonyms and misidentifications.
Enicospilus flavostigma
Enicospilus flavostigma is a species of ichneumon wasp in the subfamily Ophioninae, first described by Hooker in 1912. Like other members of its genus, it is a nocturnal parasitoid wasp with a uniformly orange or reddish-orange coloration. The species belongs to a group of large, gangly ichneumon wasps characterized by long antennae, prominent ocelli arranged in a triangle on the head, and reduced or very short ovipositors. Enicospilus species are koinobiont ectoparasitoids of lepidopteran larvae.
Enoclerus lecontei
blackbellied clerid
Enoclerus lecontei is a predatory checkered beetle (family Cleridae) specialized in hunting bark beetles. It is found in North and Central America, with well-documented populations in western North America where it serves as a significant predator of the western pine beetle (Dendroctonus brevicomis). The species has been extensively studied for its potential as a biological control agent against forest pest beetles.
Enoclerus sphegeus
Red-bellied Clerid
Enoclerus sphegeus, commonly known as the red-bellied clerid, is a species of checkered beetle in the family Cleridae. It is found in Central America and North America, including Alberta, Canada. The species is a significant predator of bark beetles, particularly the mountain pine beetle (Dendroctonus ponderosae) and Ips species. Larval development is variable, with individuals completing either two or three stadia depending on prey size consumed during the first stadium. The species pupates underground.
Entedoninae
Entedoninae is a subfamily of chalcid wasps in the family Eulophidae comprising over 90 genera. Members are primarily parasitoids with documented associations across diverse host groups including gall-inducing insects, leafminers, sawflies, thrips, and ants. The subfamily exhibits considerable morphological and ecological diversity, with species found in tropical to temperate habitats worldwide.
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Eoreuma is a genus of moths in the family Crambidae, first described by Ely in 1910. The genus contains 11 described species, with Eoreuma loftini (Mexican rice borer) being the most economically significant. This species is a major agricultural pest of sugarcane, rice, sorghum, and corn in the southern United States and Mexico, causing substantial yield losses through larval tunneling in stalks. The genus is native to the Americas, with several species described from the southwestern United States and Mexico.
Eosalpingogaster
Eosalpingogaster is a genus of flower flies (Syrphidae) established by Hull in 1949 and elevated to full generic status based on adult morphology, biological data, and molecular phylogenetics. Species in this genus are specialized predators of carmine cochineal insects (Dactylopius spp., Dactylopiidae), which are the source of carminic acid used in red dyes. The genus includes multiple species, with two new species described in a 2011 revision.
Ephedrini
Ephedrini is a tribe of koinobiont aphid parasitoids within the subfamily Aphidiinae (Braconidae). The tribe comprises approximately 29 species in India, including genera such as Ephedrus and Toxares. Members are exclusively endoparasitoids of aphids, with some species exhibiting extreme polyphagy—Toxares deltiger parasitizes 27 aphid species and Ephedrus plagiator parasitizes 22. Several species have been successfully employed in biological control programs worldwide.
Ephedrus
Ephedrus is a genus of small braconid wasps in the subfamily Aphidiinae, all species of which are obligate parasitoids of aphids. The genus includes both extant and fossil species, with records from the Eocene Baltic amber indicating an ancient evolutionary history. Multiple species have been evaluated or employed as biological control agents against agricultural pest aphids, particularly in greenhouse systems. Species-level studies reveal complex host discrimination behaviors involving external marking pheromones and internal host quality assessment.
Ephialtini
Ephialtini is a tribe of ichneumonid wasps within the subfamily Pimplinae, comprising approximately 17 genera and at least 120 species. Members are exclusively parasitoids of spiders (Araneae), with many species belonging to the 'Polysphincta group' that attack post-embryonic spiders. These wasps exhibit diverse host specificity patterns, ranging from polyphagy across multiple spider families to strict specialization on particular host species or genera. Some species parasitize adult spiders while others attack spider egg sacs.
Epiblema
Epiblema is a genus of tortricid moths in the tribe Eucosmini, with approximately 100 described species distributed primarily in the Holarctic region. Several species have been extensively studied for their ecological interactions, including parasitoid relationships and cryoprotective adaptations for overwintering. Some species, notably E. strenuana (ragweed borer) and E. minutana, have been investigated as biological control agents for invasive Asteraceae weeds, though taxonomic revisions have clarified their distinct status. The genus exhibits diverse larval feeding habits, with some species boring into plant stems or forming galls.
Epiblema strenuana
ragweed borer, stem-galling moth
Epiblema strenuana is a tortricid moth native to North America that has been widely introduced as a biological control agent against invasive Asteraceae weeds. Its larvae form stem galls on host plants, functioning as nutrient sinks that place the plant under metabolic stress. The species has established populations in Australia and China, but was rejected for release in India and South Africa due to non-target risks to the oil-seed crop Guizotia abyssinica. Taxonomic confusion with the closely related E. minutana has complicated host range assessments.
Epimorius testaceellus
bromeliad pod borer
Epimorius testaceellus is a pyralid moth commonly known as the bromeliad pod borer. The species is a documented pest of the native bromeliad Tillandsia fasciculata, with larvae causing significant damage by boring into flower pods. It occurs in subtropical Florida and the West Indies, including Jamaica. A parasitoid wasp, Eurytoma aerflora, has been identified as a natural enemy that contributes to population control.
Epipyropidae
Planthopper Parasite Moths, Planthopper Parasitic Moths, Cicada Parasitic Moths
Epipyropidae is a small family of moths whose larvae are obligate ectoparasites of planthoppers and leafhoppers (Hemiptera: Fulgoroidea and related groups), with some species parasitizing cicadas. The family exhibits hypermetamorphosis, with first instar larvae being triungulin-like and highly mobile, while subsequent instars become sessile and highly modified for parasitic feeding. This parasitic lifestyle is unique among Lepidoptera and shared only with the closely related family Cyclotornidae. Approximately 20 species have been described worldwide, distributed across genera including Epipyrops, Epiricania, Fulgoraecia, and Epipomponia.
Episimus
Episimus is a genus of tortricid moths in the subfamily Olethreutinae, established by Walsingham in 1892. The genus contains approximately 40 described species distributed primarily in the Neotropical region, with some species ranging into North America. At least one species, E. unguiculus (syn. E. utilis), has been extensively studied as a candidate biological control agent for the invasive Brazilian peppertree (Schinus terebinthifolius) in Florida. The genus was taxonomically revised in 2008, with twelve new species described from the Neotropics and the synonymization of Episimoides.
Episyrphus
Aphid Hover Flies
Episyrphus is a genus of hoverflies in the subfamily Syrphinae, commonly known as aphid hover flies. The genus contains two recognized subgenera: Episyrphus and Asiobaccha, with the latter distinguished by a petiolate abdomen. Larvae are predatory, frequently preying on aphids. The most widely distributed species, E. balteatus, exhibits migratory behavior and has been extensively studied for its role in biological control. Taxonomic classification within the genus requires revision due to unclear species boundaries and environmentally variable diagnostic characters.
Episyrphus balteatus
marmalade hoverfly, marmalade hover fly
Episyrphus balteatus, commonly known as the marmalade hoverfly, is a small (9–12 mm) syrphid fly native to the Palaearctic region. It is considered the most abundant native hoverfly in Central Europe. Adults are significant pollinators of flowering plants, while larvae are voracious predators of aphids, consuming up to approximately 400 aphids before pupation. The species exhibits partial migratory behavior, with some individuals moving southward in autumn while others overwinter locally.
Erasmoneura
Erasmoneura is a genus of leafhoppers in the family Cicadellidae containing approximately 14 described species, most of which are native to North America. The genus includes E. vulnerata, a significant grapevine pest that has become invasive in Europe. Erasmoneura species are associated with Vitaceae host plants, with documented feeding on grapevines (Vitis spp.) and Virginia creeper (Parthenocissus spp.). The genus is characterized by small size, typical of the Typhlocybinae subfamily, and members use vibrational communication for mating.
Eretmocerinae
Eretmocerinae is a subfamily of minute parasitoid wasps within the family Aphelinidae. Members are known primarily as parasitoids of whiteflies (Aleyrodidae). The subfamily was established by Shafee and Khan in 1978 and contains the genus Eretmocerus, which is the most widely studied group within the subfamily due to its importance in biological control.
Eriborus
Eriborus is a genus of parasitoid wasps in the family Ichneumonidae with nearly cosmopolitan distribution. Species in this genus are koinobiont endoparasitoids, primarily attacking larval hosts in several lepidopteran families including Pyralidae, Cossidae, Sesiidae, and Noctuidae. Several species have been studied extensively for biological control applications, particularly against agricultural pests such as the European corn borer (Ostrinia nubilalis) and cabbage cluster caterpillar (Crocidolomia pavonana). The genus includes species with documented diurnal activity patterns and temperature-dependent developmental rates.
Eriborus terebrans
Eriborus terebrans is a solitary parasitoid wasp in the family Ichneumonidae. It has been documented as a parasitoid of European corn borer (Ostrinia nubilalis) caterpillars and Paranthrene tabaniformis caterpillars. The species was first described by Gravenhorst in 1829 under the basionym Campoplex terebrans.
Erigone atra
Post Dwarf Weaver
Erigone atra is a small sheet-weaving spider in the family Linyphiidae, commonly known as the Post Dwarf Weaver. It is one of the most abundant species in its genus, with a holarctic distribution spanning North America, Europe, and Asia. The species is notable for its extensive use of aerial dispersal via ballooning, which enables colonization of agricultural habitats including cereal fields and grasslands. E. atra is recognized as an important biological control agent in agroecosystems, where it preys on crop pests such as aphids.
Erinnyis ello
ello sphinx
Erinnyis ello, the ello sphinx, is a sphingid moth distributed from Argentina through Central America to the United States. The species was first described by Carl Linnaeus in 1758. It is a significant agricultural pest, particularly of cassava, and has been extensively studied for its parasitoid relationships. Two subspecies are recognized: E. e. ello throughout the Americas and E. e. encantada endemic to the Galápagos Islands.
Eriophyidae
Gall and Rust Mites, Gall Mites, Four-legged Mites
Eriophyidae is a family of microscopic plant-parasitic mites comprising over 200 genera and approximately 3,600 described species, though estimates suggest the actual diversity may exceed 100,000 species. Members are commonly known as gall mites or rust mites due to their propensity to induce gall formation or cause rust-like discoloration on host plants. These mites possess worm-like bodies with only two pairs of legs, distinguishing them from most other mites. They are obligate parasites of vascular plants with high host specificity, typically specializing on single plant species or genera. The family includes significant agricultural pests such as the coconut mite (Aceria guerreronis), garlic mite (Aceria tulipae), and bermudagrass mite (Aceria cynodoniensis), as well as species used for biological control of weeds.
Eronyxa
Eronyxa is a genus of beetles in the family Lophocateridae (formerly treated as Trogossitidae). The genus was described by Reitter in 1876. Larvae of Eronyxa expansus have been documented as common predators of the incense cedar scale (Xylococculus macrocarpae) in California.
Eryciini
Eryciini is a tribe of tachinid flies comprising approximately 128 genera. The tribe serves as a repository for exoristine taxa that cannot be placed into other tribes, resulting in a polyphyletic assemblage. Members are parasitoids of Lepidoptera larvae, with documented associations to caterpillars in families Crambidae, Notodontidae, Noctuidae, Pyralidae, and Tortricidae. A new genus, Santarosamyia, was described in 2024 from Costa Rica based on specimens reared from wild-caught caterpillars.
Erythroneura
leafhoppers, microleafhoppers, grape leafhoppers
Erythroneura is a large genus of leafhoppers (Cicadellidae: Typhlocybinae) containing approximately 79 recognized species. Members are small, often colorful insects commonly known as microleafhoppers or grape leafhoppers. Several species are significant agricultural pests, particularly of grapevines (Vitis spp.), while others feed on sycamore (Platanus) and various other host plants. The genus exhibits complex ecological relationships including resource partitioning among sympatric species and serves as host for specialized egg parasitoids in the family Mymaridae.
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.