Parasitoid-wasp
Guides
Epitraninae
Epitraninae is a subfamily of chalcid wasps within the family Chalcididae, characterized by reduced wing venation and distinctive antennal structures. Members are parasitoids, though specific host associations remain poorly documented for many genera. The subfamily contains relatively few described species compared to other chalcidid subfamilies.
Eremotylus subfuliginosus
Eremotylus subfuliginosus is a species of ichneumon wasp in the family Ichneumonidae, described by Ashmead in 1894. Members of the genus Eremotylus are recognized as parasitoid wasps, though specific biological details for this species remain limited. The species has been documented through a small number of observations on iNaturalist, suggesting it is either uncommon or underrecorded.
Eruga lineata
Eruga lineata is a species of ichneumon wasp in the family Ichneumonidae, described by Townes in 1960. It belongs to a large family of parasitoid wasps that are primarily internal or external parasites of other insects. The genus Eruga is part of the diverse ichneumonid radiation, though specific biological details for this particular species remain poorly documented in available literature.
Esagonatopus niger
Esagonatopus niger is a species of dryinid wasp in the family Dryinidae, an aculeate hymenopteran group. Dryinidae are parasitoid wasps known for their distinctive morphology, including chelate (pincer-like) forelegs in females used to capture hosts. The genus Esagonatopus belongs to this family of solitary wasps that develop as parasitoids of Hemiptera, particularly leafhoppers and planthoppers. The species epithet 'niger' refers to its black coloration.
Eurytoma discordans
Eurytoma discordans is a chalcid wasp in the family Eurytomidae, described by Bugbee in 1951. The species has been recorded from scattered localities across northeastern and north-central North America, including Alberta, Indiana, Maine, Massachusetts, and Michigan. Like other members of its genus, it is presumed to be a parasitoid, though specific host associations remain undocumented.
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.
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incertus
Euspilotus incertus is a species of parasitoid wasp in the family Encyrtidae. The genus Euspilotus comprises small chalcidoid wasps, and this species is documented in the extensive Encyrtidae collection at the University of California, Riverside (UCR). The specific epithet "incertus" (Latin for "uncertain") suggests historical taxonomic ambiguity regarding its placement or identification. Members of this genus are known to parasitize scale insects and other homopteran pests.
Eutanyacra melanotarsis
Eutanyacra melanotarsis is a species of ichneumon wasp described by Heinrich in 1972. As a member of the large family Ichneumonidae, it is a parasitoid wasp. The specific epithet 'melanotarsis' refers to dark-colored tarsi (foot segments). The species has been documented through limited observations, with 29 records on iNaturalist suggesting it is not frequently encountered or is underreported.
Eutanyacra suturalis
Eutanyacra suturalis is a species of ichneumon wasp in the family Ichneumonidae, first described by Thomas Say in 1835. The species has been recorded from multiple localities across the Canadian Prairie provinces, particularly in Alberta. As a member of the Ichneumonidae, it is presumed to be a parasitoid, though specific host associations remain undocumented in the available sources.
Exallonyx obsoletus
Exallonyx obsoletus is a species of parasitoid wasp in the family Proctotrupidae, described by Thomas Say in 1836. Members of this family are typically small, dark-colored wasps that parasitize the larvae of beetles and other insects. The genus Exallonyx comprises numerous species, many of which remain poorly studied. Specific biological details for E. obsoletus are limited in available literature.
Exochus albifrons
Exochus albifrons is a species of ichneumon wasp described by Cresson in 1868. It belongs to the genus Exochus within the family Ichneumonidae, a large family of parasitoid wasps. The species has been documented from multiple locations in California and Alberta, Canada. Like other members of its genus, it is presumed to be a parasitoid, though specific host records for this species are not readily available in the provided sources.
Exochus nigripalpis
Exochus nigripalpis is a species of ichneumon wasp described by Thomson in 1887. It belongs to the large family Ichneumonidae, which comprises parasitoid wasps that attack other insects. The species has been documented in Canada and parts of Europe, with observations concentrated in boreal and temperate regions. Like other members of the genus Exochus, it likely functions as a koinobiont parasitoid of Lepidopteran larvae, though specific host records for this species remain limited.
Exyston maculosum
Exyston maculosum is a species of ichneumon wasp in the subfamily Ctenopelmatinae. Members of this genus are parasitoids, with females laying eggs in host insects. The species exhibits the characteristic features of Exyston, including a robust body and distinct coloration patterns.
Giraudia
Giraudia is a genus of ichneumon wasps in the family Ichneumonidae. The genus is also homonymous with a genus of brown algae (Phaeophyceae) in the family Chordariaceae, which has been studied for ecotypic differentiation between temperate and subtropical populations. The wasp genus is placed within the hyperdiverse parasitoid wasp family Ichneumonidae, though specific biological details remain poorly documented. The algal genus is known from marine environments in the North Atlantic, with documented populations in Danish waters and the Canary Islands.
Glyphicnemis vulgaris
Glyphicnemis vulgaris is a species of ichneumon wasp in the family Ichneumonidae, described by Luhman in 1986. The genus Glyphicnemis belongs to the large and diverse ichneumonid lineage, which comprises parasitoid wasps that typically attack other insects. Very little specific information has been published about this particular species.
Glyptocolastes
Glyptocolastes is a genus of parasitoid wasps in the family Braconidae, established by Ashmead in 1900. Members of this genus belong to the large and diverse ichneumonoid wasp lineage. The genus contains relatively few documented species and is poorly represented in biological collections and literature.
Glyptocolastes texanus
Glyptocolastes texanus is a species of parasitoid wasp in the family Braconidae, first described by William H. Ashmead in 1900. It belongs to a genus of braconid wasps whose members are typically associated with parasitizing beetle larvae. The species is recorded from Hawaii and the continental United States.
Golbachia wrighti
Golbachia wrighti is a species of scoliid wasp in the family Scoliidae. The genus Golbachia is a small group within the subfamily Campsomerinae, which comprises parasitoid wasps that attack scarab beetle larvae. Information specific to G. wrighti is limited in the available sources, though the genus shares biological characteristics with related campsomerine wasps.
Helcostizus tibialis
Helcostizus tibialis is a species of ichneumon wasp described by Townes in 1962. It belongs to the family Ichneumonidae, one of the largest families of wasps, whose members are primarily parasitoids of other insects. The genus Helcostizus is part of the ichneumonoid wasp radiation, and species in this group typically parasitize lepidopteran or coleopteran hosts. The specific epithet 'tibialis' refers to a characteristic of the tibia, a common naming convention in Hymenoptera taxonomy.
Hemitelina
Hemitelina is a subtribe within the family Ichneumonidae, a large group of parasitoid wasps. Members of this subtribe are characterized by specific morphological features of the mesosoma and wing venation that distinguish them from related ichneumonid groups. The subtribe includes the genus Klutiana, which contains species such as Klutiana hemitelina described from Madagascar.
Heterospilus eurostae
Heterospilus eurostae is a species of parasitoid wasp in the family Braconidae, first described by Viereck in 1917. The genus Heterospilus comprises small braconid wasps, many of which are understudied and poorly documented in the literature. This species appears to be rarely encountered, with minimal observational records available. Its specific host associations and biology remain largely unknown.
Hockeria
Hockeria is a genus of chalcidid wasps in the family Chalcididae, first described by Walker in 1834. These are small parasitoid wasps belonging to the subfamily Haltichellinae. Members of this genus, like other chalcidids, are characterized by enlarged hind femora adapted for jumping. The genus has been recorded from scattered localities including Hawaii, Himachal Pradesh (India), and Hubei (China).
Homolobus truncator
A braconid wasp originally described from North America, with records extending to Europe and Asia including northern Iran. Collected in Iran using Malaise traps during spring through autumn months. As a member of subfamily Homolobinae, it likely functions as a parasitoid, though specific host associations remain undocumented in available sources.
Homotherus porcelariae
Homotherus porcelariae is a species of ichneumon wasp described by Heinrich in 1961. It belongs to the family Ichneumonidae, one of the largest families of parasitoid wasps. The species is known from a limited number of localities in central Canada, with records from Manitoba and Saskatchewan. Very few observations exist in public databases.
Hoplocryptus
Hoplocryptus is a genus of ichneumon wasps established by Thomson in 1873. The genus belongs to the family Ichneumonidae, one of the largest families of parasitoid wasps. Species in this genus are poorly documented in the literature, with limited published information available on their biology and morphology. The genus has been recorded from northern Europe.
Hormoserphus
Hormoserphus is a genus of parasitoid wasps in the family Serphidae (Proctotrupoidea), established by Townes in 1981. The genus belongs to a poorly studied group of small, rarely collected wasps. Its taxonomic status is currently marked as doubtful in some databases, suggesting potential issues with its validity or circumscription. Members of Serphidae are generally associated with decaying organic matter where they parasitize other insects.
Ichneumon chasmodops
Ichneumon chasmodops is a species of ichneumon wasp in the family Ichneumonidae, described by Heinrich in 1961. The species belongs to the large genus Ichneumon, one of the most diverse genera within this wasp family. Very little is known about its biology, host associations, or ecological role. Records indicate it has been documented in Canada, specifically from Manitoba locations including Aweme and Dauphin Lake.
Ichneumon lacrymans
Ichneumon lacrymans is a species of ichneumon wasp in the family Ichneumonidae, described by Provancher in 1875. It belongs to the highly diverse genus Ichneumon, one of the largest genera within this wasp family. The species is known from very few observations, with only two records documented on iNaturalist. Like other ichneumon wasps, it is presumed to be parasitoid, though specific host relationships and biological details remain undocumented in available sources.
Idiogramma
Idiogramma is a genus of ichneumonid wasps and the sole extant genus in the tribe Idiogrammatini. The genus contains three described species: I. comstockii, I. elbakyanae, and I. euryops. It belongs to the subfamily Tryphoninae within the large parasitoid wasp family Ichneumonidae.
Ischnus
Ischnus is a genus of parasitoid wasps in the family Ichneumonidae. The genus has an almost cosmopolitan distribution, with records from Europe including Denmark, Norway, and Sweden. Species-level biology is poorly documented; most available literature refers to the amphipod Echinogammarus ischnus, a taxonomically unrelated organism with a similar name. The genus contains at least three described species: Ischnus agitator, I. alpinicola, and I. coxalis.
Isdromas lycaenae
Isdromas lycaenae is a species of ichneumon wasp in the family Ichneumonidae. It was described by Howard in 1889. The species belongs to the genus Isdromas, which is characterized by distinctive morphological features including reduced wing venation. Like other members of its family, it is likely a parasitoid, though specific host records for this species are not well documented in available literature.
Ismaridae
Ismaridae is a small, relictual family of parasitoid wasps in the order Hymenoptera. The family contains two extant genera: Ismarus, with approximately 50–59 described species worldwide, and the fossil genus Lubomirus from Eocene amber. All species with known biology are hyperparasitoids that parasitize Dryinidae, which are themselves parasitoids of leafhoppers, planthoppers, and treehoppers. Formerly classified as a subfamily of Diapriidae, Ismaridae was elevated to family status based on distinct morphological differences, particularly the absence of a facial projection for antennal insertion and variable fusion of metasomal terga.
Kapala floridana
Kapala floridana is a species of parasitoid wasp in the family Eucharitidae, originally described by Ashmead in 1885 as Thoracantha floridana. The genus Kapala comprises parasitoid wasps that are among the largest in their family, with species ranging from 3 to 9 mm in length. Members of this genus are presumed to parasitize the eggs of orthopterans, including grasshoppers, crickets, and katydids. The specific biology and host relationships of K. floridana remain poorly documented.
Labolips
Labolips is a genus of parasitoid wasps in the family Diapriidae, first described by Förster in 1856. Members of this genus are small, typically minute wasps that develop as parasitoids of other insects. The genus is recorded from northern Europe, specifically Denmark and Sweden. Like other diapriids, species in this genus likely target dipteran hosts, though specific host relationships remain poorly documented.
Lamennaisia
Lamennaisia is a genus of parasitoid wasps in the family Encyrtidae, established by Girault in 1922. The genus belongs to the subfamily Encyrtinae, a diverse group of chalcidoid wasps known for their role as biological control agents of scale insects and other Hemiptera. The type species is Lamennaisia ambigua (Nees). Specimens of this genus have been documented in museum collections including the University of California, Riverside Encyrtidae holdings, which contains both pinned and slide-mounted material.
Lecaniobius
Lecaniobius is a genus of chalcidoid wasps in the family Eupelmidae, established by Ashmead in 1896. Members of this genus are parasitoid wasps, a characteristic common to the Eupelmidae family. The genus has been documented from Peru and the United States based on specimen records. As with many chalcidoid genera, detailed biological information remains limited in published literature.
Limerodops belangeri
Limerodops belangeri is a species of ichneumon wasp in the family Ichneumonidae, described by Cresson in 1877. The genus Limerodops belongs to the large and diverse parasitoid wasp family Ichneumonidae, which contains thousands of species that primarily parasitize other insects. Very little specific biological information has been published for this particular species.
Lissonota rubrica
Lissonota rubrica is a species of ichneumon wasp in the family Ichneumonidae, described by Cresson in 1870. The genus Lissonota belongs to the large and diverse family of parasitoid wasps, which are primarily known for their role in controlling populations of other insects through parasitism. The species name "rubrica" derives from Latin, referring to red or reddish coloration. Like other members of its genus, this species likely functions as a parasitoid, though specific host associations and detailed biology remain poorly documented.
Lonchodryinus flavus
Lonchodryinus flavus is a species of dryinid wasp in the family Dryinidae, described by Olmi in 1984. The species is known from the Nearctic region, with records from Canada and the United States. As a member of Dryinidae, it is presumed to be a parasitoid, though specific host associations for this species have not been documented in available sources.
Loxodocus opacus
Loxodocus opacus is a species of parasitoid wasp in the family Ichneumonidae, described by Townes in 1978. The genus Loxodocus is a small, poorly known group within the ichneumonid wasps. Very little biological or ecological information has been published for this species. Available records are sparse, with only two observations documented on iNaturalist. The species name "opacus" (Latin for "shaded" or "dark") likely refers to coloration characteristics.
Lycogaster
Lycogaster is a genus of parasitoid wasps in the family Trigonalidae, first described by Shuckard in 1841. Members of this genus are hyperparasitoids, meaning they parasitize other parasitoids. The genus was first recorded from Vietnam in 2025 based on specimens of L. flavonigrata, expanding its known distribution beyond China.
Lycorina glaucomata
Lycorina glaucomata is a species of parasitoid wasp in the family Ichneumonidae, first described by Cushman in 1920. It belongs to the genus Lycorina, a group of ichneumonid wasps characterized by their slender bodies and distinctive wing venation. The species is poorly documented in scientific literature, with limited biological and ecological data available.
Lycostomus sanguineus
Lycostomus sanguineus is a species of parasitoid wasp in the family Encyrtidae, a group of tiny wasps within the superfamily Chalcidoidea. Members of this family are primarily known as parasitoids of other insects, particularly scale insects, mealybugs, and other Hemiptera. The genus Lycostomus is a relatively small and poorly documented group within the Encyrtidae, with limited published information available on its biology and host associations.
Lymeon cinctiventris
Lymeon cinctiventris is a species of ichneumon wasp in the family Ichneumonidae, first described by Cushman in 1929. The genus Lymeon comprises parasitoid wasps, and species in this genus are known to attack lepidopteran hosts. Like other ichneumonids, L. cinctiventris likely possesses a slender body with elongated antennae and an ovipositor for host parasitization. The species is recognized as valid and accepted in major taxonomic databases.
Megaspilus
Megaspilus is a genus of minute parasitoid wasps in the family Megaspilidae, characterized by reduced wing venation and distinctive body sculpturing. The genus includes three described species: M. armatus, M. dux, and M. striolatus. These wasps are part of the superfamily Ceraphronoidea, a group of small, often overlooked parasitoids.
Mendesellinae
Mendesellinae is a subfamily of parasitoid wasps within Braconidae, one of the largest families of Hymenoptera. The subfamily is poorly known and rarely encountered, with extremely limited published information. It represents a distinct lineage within the braconid wasp radiation, though its phylogenetic relationships and biological characteristics remain largely unstudied. The single iNaturalist observation suggests it is seldom detected in field surveys.
Meniscomorpha michiganensis
Meniscomorpha michiganensis is a species of ichneumon wasp in the family Ichneumonidae, first described by Davis in 1894. The species is known from a limited number of observations and appears to be rarely collected. Like other members of its family, it is presumed to be a parasitoid, though specific host associations remain undocumented. The specific epithet refers to Michigan, suggesting the type locality or primary known range.
Meringopus relativus
Meringopus relativus is a species of ichneumon wasp described by Cresson in 1879. The species belongs to the genus Meringopus, a group of parasitoid wasps within the large family Ichneumonidae. Records indicate occurrence in southern Alberta, Canada.
Meringopus serraticaudus
Meringopus serraticaudus is a species of ichneumon wasp described by Pratt in 1945. It belongs to the genus Meringopus within the family Ichneumonidae, a large group of parasitoid wasps. The species epithet 'serraticaudus' refers to a serrated or saw-like tail structure. Very few observations exist, with only two records documented on iNaturalist, indicating it is rarely encountered or poorly known.
Mesochorus discitergus
Mesochorus discitergus is a hyperparasitoid wasp in the family Ichneumonidae. It parasitizes primary parasitoids—particularly braconid wasps such as Cotesia marginiventris—that are themselves developing inside lepidopteran caterpillars. This species has been studied for its behavioral interactions with host caterpillars, including the tactics it employs to overcome defensive behaviors and the evasive responses of different noctuid species. It has been recorded from both North and South America.