Canada
Guides
Erigone blaesa
Erigone blaesa is a dwarf spider species in the family Linyphiidae, first described by Crosby & Bishop in 1928. It is a small sheet-web spider distributed across northern North America. The species has been documented in multiple Canadian provinces and the United States.
Erythridula bitincta
Erythridula bitincta is a species of leafhopper in the family Cicadellidae, subfamily Typhlocybinae. It belongs to the tribe Erythroneurini, a group of small, often colorful leafhoppers commonly referred to as microleafhoppers. The species was described by McAtee in 1926. Records indicate it occurs in northeastern North America, including parts of Canada and the northern United States.
Erythroneura bakeri
Erythroneura bakeri is a species of leafhopper in the family Cicadellidae, subfamily Typhlocybinae, described by Dmitriev and Dietrich in 2007. It belongs to a genus containing numerous species associated with woody plants, many of which are economically important pests of vineyards and orchards. The specific biology and host associations of E. bakeri remain poorly documented in the scientific literature.
Euarestoides abstersus
Euarestoides abstersus is a small fruit fly in the family Tephritidae, restricted to the Bahamas and eastern North America. As a member of the genus Euarestoides, it belongs to a group of six recognized species distributed across the Americas. The species was first described by Loew in 1862. Published literature indicates that host plant and detailed biological data exist but have not been widely disseminated in accessible sources.
Eubulus bisignatus
hidden snout weevil
Eubulus bisignatus is a species of hidden snout weevil in the beetle family Curculionidae. The species was described by Thomas Say in 1832. It belongs to the subfamily Cryptorhynchinae, a group characterized by their ability to retract their rostrum into a ventral groove. The species has been documented in parts of North America including Ontario and Québec, Canada.
Eubulus parochus
hidden snout weevil
Eubulus parochus is a species of hidden snout weevil in the beetle family Curculionidae, first described by Herbst in 1797. It belongs to the genus Eubulus, a group of small weevils characterized by their concealed snout structure. The species is documented from eastern Canada with specific records from New Brunswick, Ontario, and Québec. Published observations of this species remain limited.
Eucerceris cressoni
Eucerceris cressoni is a species of weevil wasp in the family Crabronidae. It belongs to a genus closely related to Cerceris, with which it shares the common name 'weevil wasp' due to its predation on weevils. The species has been documented in North America, with records from Canada including Alberta. The genus Eucerceris was the subject of taxonomic work by entomologist George R. Ferguson, who continued research initiated by Herm Scullen.
Eucinetus morio
plate-thigh beetle
Eucinetus morio is a species of plate-thigh beetle in the family Eucinetidae. The species was described by LeConte in 1853. It occurs in North America with documented records from eastern Canada including New Brunswick, Nova Scotia, and Ontario.
Eucosma glomerana
Eucosma glomerana is a small tortricid moth described by Walsingham in 1879. It belongs to the tribe Eucosmini within the subfamily Olethreutinae. Records indicate a restricted distribution in the Canadian prairie provinces.
Eucrada humeralis
Eucrada humeralis is a species of deathwatch beetle in the family Ptinidae. It is native to North America, with records from Ontario and Québec in Canada. The species was described by Melsheimer in 1846.
Euhyponomeutoides gracilariella
Euhyponomeutoides gracilariella is a small moth species in the family Yponomeutidae (ermine moths), described by August Busck in 1904. The species is known from limited collection records in the Canadian prairie provinces of Alberta and Saskatchewan. As with many small yponomeutid moths, detailed biological information remains sparse. The genus Euhyponomeutoides contains relatively few described species, most of which are poorly studied.
Eulophus anomocerus
Eulophus anomocerus is a species of parasitoid wasp in the family Eulophidae. The genus Eulophus comprises small chalcidoid wasps known primarily as ectoparasitoids of Lepidoptera larvae. This species was described by Crawford in 1912 and has been recorded in several Canadian provinces. As with most Eulophidae, the species likely exhibits koinobiont parasitoid biology, allowing the host to continue developing while the parasitoid feeds.
Eustala
humpbacked orb-weavers
Eustala is a genus of orb-weaver spiders in the family Araneidae, first described by Eugène Simon in 1895. As of November 2024, the genus contains 87 species distributed primarily across the Americas, from the United States through Central America to South America, with highest diversity in Brazil, Uruguay, and Argentina. Several species have been documented exhibiting specialized ecological relationships, including myrmecophily (living among ants) in Central American species that inhabit ant-defended acacia plants. The genus includes the well-known humpbacked orb-weaver, Eustala anastera, found across North and Central America.
Araneidaeorb-weaverspiderhumpbackedmyrmecophilyant-plant-mutualismNeotropicalNearcticEustala-anasteraEustala-oblongaEustala-illicitaweb-buildingpredatoracaciaPseudomyrmexPanamaBrazilGalápagosSimon-1895arachnologyentomologytropical-ecologycommensalismontogenyballooningoverwinteringjuvenilespider-wasp-preyCaliadurgus-hyalinatushost-parasitoid-interactionsthird-party-exploitationmutualism-exploitationcryptic-colorationnocturnal-foragingdiurnal-hiding-behaviorthorn-defenseorb-web-architecturesawtoothed-webpopulation-ecologysubstrate-selectionspatial-distributionspecies-diversityendemic-speciestaxonomic-revisionnomen-dubiumgenitalic-morphologymicroscopy-identificationtemperate-North-AmericaCentral-AmericaSouth-AmericaCaribbeanPacific-islandsconservation-biologyclimate-change-vulnerabilityphenology-disruptionwinter-activityspring-emergenceforest-understorydry-forestmoist-forestripariangrasslandscrubedge-habitatwoodlandparklandurban-adaptedgeneralist-predatorspecialist-predatorant-alate-predationherbivore-interceptionecosystem-servicebiological-controlnatural-historyfield-identificationcryptic-species-complexsexual-dimorphismwingless-female-mothsballooning-dispersalsilk-productionweb-ontogenyinstar-developmentoverwintering-strategycold-hardinessmetabolic-suppressiondiapausevoltinismunivoltinebivoltinemultivoltineseasonal-polyphenismcolor-morphpattern-polymorphismhabitat-specificityhost-plant-specificityant-colony-integrationalarm-pheromone-avoidancesting-avoidancepredator-avoidancebird-predationlizard-predationwasp-predationassassin-bug-predationstink-bug-predationdefensive-behaviorthanatosiscamouflagemasquerademimicryaggressive-mimicryforaging-ecologyprey-captureweb-maintenanceweb-repairsilk-recyclingenergeticsreproductive-outputfecundityegg-sac-constructionmaternal-caremale-searching-behaviormate-locationpheromone-communicationvibratory-communicationvisual-signalingterritorialityweb-site-fidelityweb-site-tenacitydispersal-behaviorcolonization-abilityrange-expansioninvasive-potentialnon-native-speciesintroduced-speciessynanthropicagricultural-landscapeorchardvineyardforest-plantationconservation-statusdata-deficientIUCNCITESprotected-areanational-parksoberaniachiribiquetegalapagosfloreanaecuadorperuboliviachileargentinauruguayparaguayvenezuelacolombiacosta-ricanicaraguahondurasguatemalabelizemexicousacanadacubahispaniolajamaicapuerto-ricotrinidadtobagobarbadoslesser-antillesgreater-antilleswest-indiescaribbean-basinamazon-basinorinocoparanapantanalcerradocaatingaatlantic-forestpampaschacoyungasvaldivianmagellanicfynbosnoneresearch-modeleducational-resourcecitizen-scienceinaturalistgbifcatalogue-of-lifencbiwikipediazootaxajournal-of-natural-historypsycheentomology-todaybug-ericaraneologychelicerate-biologyarthropod-ecologytropical-biologyneotropical-faunanearctic-faunaholarticpantropicalgondwananbiogeographyphylogeographymolecular-systematicsmorphological-taxonomyintegrative-taxonomyspecies-conceptcryptic-diversityundescribed-speciesnew-species-descriptionredescriptionneotype-designationlectotype-designationtype-localitytype-specimenmuseum-collectionvoucher-specimendna-barcodingcoiitsphylogenomicstranscriptomicsproteomicsmetabolomicsecological-genomicsadaptationlocal-adaptationphenotypic-plasticitycanalizationevolutionary-developmental-biologyevo-devobehavioral-ecologysensory-ecologyvisual-ecologychemical-ecologymechanoreceptionproprioceptionneuroethologyhunting-behaviorweb-building-behaviorconstruction-behaviortool-useextended-phenotypeniche-constructionecosystem-engineeringtrophic-cascadefood-webenergy-flownutrient-cyclingdecompositionpredator-prey-dynamicspopulation-dynamicsmetapopulationsource-sink-dynamicshabitat-fragmentationedge-effectscorridorsconnectivitylandscape-ecologymacroecologybiogeochemistryclimate-envelopespecies-distribution-modelingmaxentbioclimworldclimremote-sensinggisspatial-analysisgeostatisticsabundancedensitybiomassproductivitydiversity-indexrichnessevennessdominancerarityendemismbeta-diversitygamma-diversityalpha-diversityturnovernestednesscommunity-assemblyneutral-theoryniche-theorycompetitionfacilitationapparent-competitionindirect-effectsinteraction-networksmutualismparasitismpredationherbivorydetritivoryscavengingcannibalismintraspecific-competitioninterspecific-competitioncharacter-displacementresource-partitioningniche-differentiationcoexistencestabilityresilienceresistancerecoverysuccessiondisturbanceperturbationextinctioncolonizationinvasionestablishmentspreadimpactrisk-assessmentmanagementcontroleradicationrestorationreintroductionrewildingconservation-breedingex-situin-situprotected-area-networkgap-analysissystematic-conservation-planningprioritizationhotspotcoldspotmajorityminorityflagshipumbrellakeystonefoundationecosystem-engineerindicatorsentinelbioindicatorbiomonitorecosystem-healthenvironmental-qualitypollutionpesticideheavy-metalcontaminantbioaccumulationbiomagnificationtoxicologyriskhazardexposuredose-responseno-observed-effect-concentrationlowest-observed-effect-concent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htperchroostnestdenburrowtunneldigexcavateminequarryextractremoveeliminateeradicateexterminatedestroydemolishruinwreckdamageharminjurehurtwoundmaimcripplelamedisableincapacitateparalyzestunshockastonishamazeastoundstaggerstupefydazebewilderconfusepuzzleperplexbafflemystifyenigmaEutanyacra 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.
Euura alaskensis
Yellowheaded Spruce Sawfly
Euura alaskensis is a species of sawfly in the family Tenthredinidae, commonly known as the Yellowheaded Spruce Sawfly. It is native to northern North America and has been recorded from multiple Canadian provinces. As a member of the genus Euura, it likely develops on willow or poplar hosts, though specific host associations for this species require verification.
Euura tibialis
Locust Sawfly, False Acacia Sawfly
Euura tibialis is a nematine sawfly in the family Tenthredinidae, commonly known as the locust sawfly or false acacia sawfly. The species is associated with false acacia (Robinia pseudoacacia) as its host plant and has been recorded from Korea, Canada, and parts of Europe including Denmark, Norway, and Sweden. It is one of numerous Euura species that specialize on particular host plants in the genus Robinia and related legumes.
Euura ventralis
Willow Sawfly
Euura ventralis is a sawfly species in the family Tenthredinidae, commonly known as the Willow Sawfly. It is native to North America and has been recorded across multiple Canadian provinces including Alberta, British Columbia, Manitoba, and Ontario. As a member of the genus Euura, it is associated with willow (Salix) host plants. The species was first described by Thomas Say in 1824.
Euvacusus coloradanus
Euvacusus coloradanus is a species of ant-like flower beetle in the family Anthicidae, described by Casey in 1904. The species is known from western and central Canada, with records from Alberta, British Columbia, and Manitoba. Members of the genus Euvacusus are small beetles characterized by their compact, ant-like appearance and association with ground-level habitats. Specific biological details for this species remain poorly documented.
Euxoa dodi
Euxoa dodi is a species of owlet moth in the family Noctuidae, described by James Halliday McDunnough in 1923. It belongs to a genus containing numerous cutworm and dart moth species, many of which are agricultural pests. The species is poorly documented in scientific literature, with minimal information available regarding its biology, ecology, or economic significance. It appears to be a relatively obscure member of the North American noctuid fauna.
Euxoa infracta
Euxoa infracta is a species of cutworm moth in the family Noctuidae, described by Morrison in 1875. As a member of the genus Euxoa, it belongs to a group of noctuid moths whose larvae are known as cutworms, feeding on plant stems and roots. The species occurs in central and western Canada, with documented records from Alberta, Manitoba, and Saskatchewan. Like related Euxoa species, the larvae likely exhibit nocturnal feeding behavior and may curl into a C-shape when disturbed.
Euxoa nevada
Euxoa nevada is a species of owlet moth in the family Noctuidae, described by Smith in 1900. The species is native to western North America, with confirmed records from Alberta and Saskatchewan in Canada. As a member of the large genus Euxoa, it belongs to a group commonly known as cutworms or dart moths. The genus includes several economically significant agricultural pests, though specific information about the biology and ecology of E. nevada itself remains limited.
Euxoa olivalis
cutworm, dart moth
Euxoa olivalis is a species of cutworm moth in the family Noctuidae, described by Grote in 1879. It belongs to a genus of moths whose larvae are known as cutworms, soil-dwelling caterpillars that feed on plant stems at or below ground level. The species is documented from North America, with specific records from Alberta and Saskatchewan in Canada. As a member of the Euxoa genus, it shares the general life history pattern of overwintering as larvae and completing development in spring, though species-specific details for E. olivalis remain poorly documented in published literature.
Euxoa pestula
Euxoa pestula is a species of owlet moth in the family Noctuidae, described by Smith in 1904. It belongs to the genus Euxoa, a large group of cutworm moths found primarily in North America. The species is documented from the Canadian prairie provinces of Alberta, Manitoba, and Saskatchewan. Like other Euxoa species, the larvae are likely cutworms that feed on plant stems and roots, though specific life history details for this species remain poorly documented.
Euxoa teleboa
cutworm moth, dart moth
Euxoa teleboa is a species of cutworm or dart moth in the family Noctuidae, first described by Smith in 1890. It is found in North America, with confirmed records from Alberta and Saskatchewan in Canada. As a member of the genus Euxoa, it shares the general biology of cutworm moths, with larvae that are nocturnal feeders on plants. The species is poorly documented compared to related cutworms like the army cutworm (Euxoa auxiliaris).
Fleutiauxellus manki
Fleutiauxellus manki is a species of click beetle in the family Elateridae, first described by Fall in 1934. It is native to western Canada, with confirmed records from Alberta and British Columbia. As a member of the genus Fleutiauxellus, it belongs to a group of elaterid beetles whose biology and ecology remain poorly documented in scientific literature.
Forcipata frigida
Forcipata frigida is a species of leafhopper in the family Cicadellidae, subfamily Typhlocybinae, described by Beirne in 1955. It belongs to the tribe Dikraneurini, a group of small leafhoppers often associated with herbaceous vegetation. Distribution records indicate occurrence in the Canadian prairie provinces of Manitoba and Saskatchewan.
Forcipomyia fairfaxensis
Forcipomyia fairfaxensis is a species of biting midge in the family Ceratopogonidae, first described by Wirth in 1951. It is placed in the subgenus Lasiohelea. The species has been documented bloodfeeding on frogs in Algonquin Park, Ontario. Like other Forcipomyia species, it possesses distinctive antennal and palpal sensilla that have been studied morphologically.
Fornax bicolor
Fornax bicolor is a species of false click beetle in the family Eucnemidae, first described by Melsheimer in 1845. The species epithet 'bicolor' suggests a two-toned coloration pattern. As a member of the Eucnemidae, it belongs to a family of beetles commonly known as false click beetles, which are characterized by their inability to produce the clicking sound that true click beetles (Elateridae) use for righting themselves. The genus Fornax contains species that are typically associated with decaying wood and forest habitats.
Frederickus
Frederickus is a genus of dwarf spiders (family Linyphiidae) endemic to North America. It was established in 2008 and contains two described species: F. coylei and F. wilburi. Both species are found in Canada and the United States. The genus belongs to the sheet-web weaving spiders, though specific web-building behaviors for Frederickus remain undocumented.
Furcula gigans
Furcula gigans is a moth species in the family Notodontidae, first described by McDunnough in 1922. The species has been recorded across central and western Canada and the northeastern United States. Taxonomic status varies by source: Catalogue of Life treats it as accepted, while GBIF lists it as a synonym of Furcula occidentalis. Like other members of the genus Furcula, it belongs to the prominent moth group characterized by distinctive larval morphology including a forked tail-like structure.
Gabrius appendiculatus
Gabrius appendiculatus is a rove beetle in the family Staphylinidae, described by Sharp in 1910. It is native to Europe and Russia, with introduced populations established in eastern Canada. As a member of the tribe Staphylinini, it belongs to a diverse group of predatory rove beetles commonly found in decaying organic matter.
Gabrius astutoides
Gabrius astutoides is a rove beetle in the family Staphylinidae, subfamily Staphylininae. Originally described from Europe in 1946, it has established populations in eastern North America through human introduction. The species belongs to the diverse genus Gabrius, which contains numerous similar-looking species requiring careful examination for identification.
Glenognatha foxi
Dwarf Ground Long-jawed Spider
Glenognatha foxi is a species of long-jawed orb weaver spider in the family Tetragnathidae, commonly known as the Dwarf Ground Long-jawed Spider. It is distributed across a broad latitudinal range from Canada to Panama. The species belongs to a genus of small-bodied spiders characterized by elongated chelicerae and ground-dwelling habits, distinguishing them from the more web-associated Tetragnatha.
Glischrochilus confluentus
Glischrochilus confluentus is a sap-feeding beetle in the family Nitidulidae, first described by Thomas Say in 1823. It belongs to a genus commonly known as picnic beetles, which are attracted to fermenting plant fluids. The species is distributed across North America, with confirmed records from multiple Canadian provinces.
Glischrochilus siepmanni
Glischrochilus siepmanni is a sap-feeding beetle in the family Nitidulidae. It belongs to a genus commonly known as picnic beetles, though specific behavioral details for this species remain limited. It has been documented across multiple Canadian provinces and is presumed present throughout North America.
Glyphicnemis mandibularis
Glyphicnemis mandibularis is a species of ichneumonid wasp in the family Ichneumonidae. It was first described by Cresson in 1864. The genus Glyphicnemis belongs to the large and diverse parasitoid wasp family Ichneumonidae, which are primarily known for their role as parasitoids of other insects. Available records indicate this species has been observed in the Edmonton area of Canada, though detailed biological information remains limited.
Glyptina spuria
Glyptina spuria is a flea beetle in the family Chrysomelidae, first described by LeConte in 1859. It belongs to a genus of small leaf beetles characterized by enlarged hind femora adapted for jumping. The species has been recorded from central and eastern Canada.
Gnaphosa parvula
Gnaphosa parvula is a species of ground spider in the family Gnaphosidae. It is found in the United States and Canada, with records from Alberta and British Columbia in Canada. The species was described by Banks in 1896.
Gowdeyana punctifera
Gowdeyana punctifera is a soldier fly species in the family Stratiomyidae, subfamily Pachygastrinae. First described by Malloch in 1915, this species has been recorded across much of North America. The genus Gowdeyana contains relatively few described species, and this taxon remains poorly documented in the scientific literature.
Grammonota gentilis
dwarf spider
Grammonota gentilis is a species of dwarf spider in the family Linyphiidae, first described by Nathan Banks in 1898. It belongs to a large family of small sheet-web weaving spiders commonly known as money spiders or dwarf spiders. The species has been recorded from North America, with specific observations from Alberta, Canada and the United States.
Graphops varians
Graphops varians is a species of leaf beetle in the family Chrysomelidae, described by LeConte in 1884. The species is known from North America, with records from the Canadian provinces of Alberta and Manitoba. Like other members of the genus Graphops, it belongs to the diverse leaf beetle fauna of the region. Specific details regarding its biology, host plants, and ecology remain poorly documented in available literature.
Greenarus thoracicus
Net-winged beetle
A species of net-winged beetle in the family Lycidae, characterized by soft elytra with distinctive net-like venation. The thoracic region shows notable structural features that contribute to its specific epithet. Adults are active during warmer months and are associated with forested habitats.
Gymnusa grandiceps
Gymnusa grandiceps is a rove beetle in the family Staphylinidae, first described by Casey in 1915. It is distributed across northern North America, with records from Canada and the northeastern United States. The species belongs to the tribe Gymnusini within the subfamily Aleocharinae.
Gypsonoma fasciolana
Willow-and-poplar Leafroller
Gypsonoma fasciolana is a tortricid moth species known as the Willow-and-poplar Leafroller. The species is associated with willow and poplar host plants, as indicated by its common name. It has been documented across parts of Canada and the northern United States.
Haeterius exiguus
clown beetle
Haeterius exiguus is a small clown beetle in the family Histeridae. It is found in western North America, with records from the western United States and Canada. The species was described by Mann in 1911. Like other members of the genus Haeterius, it is associated with ants, though specific host relationships for this species remain poorly documented.
Haplandrus fulvipes
Haplandrus fulvipes is a species of darkling beetle in the family Tenebrionidae, first described by Herbst in 1797. It is a small beetle native to eastern North America, with documented occurrence in southeastern Canada. The species is part of the diverse genus Haplandrus, which contains numerous small tenebrionid beetles. Based on iNaturalist records, it appears to be moderately well-observed in its native range.
Haplaxius glyphis
Haplaxius glyphis is a species of planthopper in the family Cixiidae, described by Kramer in 1979. It belongs to a genus of small, inconspicuous insects that inhabit forested and vegetated environments. The species is recorded from northeastern North America, with documented occurrences in the United States and Canada.
Harpalus fulvilabris
Harpalus fulvilabris is a species of ground beetle in the subfamily Harpalinae, described by Carl Gustaf Mannerheim in 1853. It belongs to the genus Harpalus, one of the most diverse genera of Carabidae with over 400 described species. The species is classified within the newly described subgenus Meroharpalus, established with H. fulvilabris as its type species. This subgenus is part of a broader systematic reorganization of the genus Harpalus based on adult morphological characters.
Harpalus somnulentus
Harpalus somnulentus is a ground beetle species in the family Carabidae, subfamily Harpalinae. It was first described by Pierre François Marie Auguste Dejean in 1829. The species belongs to the large genus Harpalus, which contains numerous ground beetle species distributed across North America and other regions. As a member of the Carabidae family, it is a predatory beetle likely active in terrestrial habitats.
Hebata volsella
Hebata volsella is a species of leafhopper in the family Cicadellidae, first described by Hamilton in 1987. It belongs to the order Hemiptera, a group of insects characterized by piercing-sucking mouthparts. The species is known from eastern Canada, with records from Nova Scotia and Québec. Like other leafhoppers, it likely feeds on plant sap using its specialized mouthparts.