Canada
Guides
Abia americana
Abia americana is a species of sawfly in the family Cimbicidae. It is found across much of Canada, with records from Alberta, British Columbia, Manitoba, and Newfoundland. As a member of the Cimbicidae, it belongs to a group of relatively large, robust sawflies whose larvae feed on woody plants.
Abia inflata
North American Honeysuckle Sawfly
Abia inflata is a North American sawfly in the family Cimbicidae, commonly known as the North American Honeysuckle Sawfly. This species belongs to the suborder Symphyta, the group of Hymenoptera that lack the constricted waist characteristic of ants, wasps, and bees. It has been recorded across multiple Canadian provinces from British Columbia to Labrador. The species was first described by Norton in 1861.
Ablabesmyia annulata
Ablabesmyia annulata is a species of non-biting midge in the family Chironomidae, originally described by Thomas Say in 1823 as Tanypus annulata. The species occurs in the Nearctic region, with documented populations in Canadian freshwater lakes including Lake Winnipeg, Manitoba, and Marion Lake, British Columbia. Like other members of the genus, it has an aquatic larval stage with instar separation approximately following Dyar's rule. The immatures and males have been formally redescribed and illustrated in taxonomic literature.
Acamptus rigidus
Acamptus rigidus is a species of true weevil in the beetle family Curculionidae, first described by John Lawrence LeConte in 1876. The species is native to North America and has been recorded in the Canadian provinces of Ontario and Québec. It belongs to a genus of small weevils whose biology remains poorly documented.
Acanthocinus pusillus
Little Flatface Longhorn Beetle
Acanthocinus pusillus is a small longhorn beetle in the subfamily Lamiinae, described by William Kirby in 1837. The species is known from northern North America, with records from western and central Canada including Alberta, British Columbia, Manitoba, and New Brunswick. It belongs to a genus of bark-boring beetles whose larvae typically develop in coniferous wood.
Acantholyda verticalis
Acantholyda verticalis is a species of sawfly in the family Pamphiliidae. It belongs to a genus of web-spinning sawflies whose larvae construct silken webs on host plants. The species has been documented in several Canadian provinces including Alberta, British Columbia, and New Brunswick. Like other pamphiliids, it is likely associated with coniferous hosts, though specific details for this species remain limited in available sources.
Achorotile distincta
Achorotile distincta is a species of planthopper in the family Delphacidae, first described by Scudder in 1963. It belongs to a genus of small, delicate delphacid planthoppers characterized by reduced wing venation and distinctive genitalia structures. The species is known from western and northern regions of North America, with records from Canada extending into Alaska. Like other delphacids, it likely inhabits moist grassland and marsh habitats where host grasses occur.
Acilius athabascae
Athabascan Predaceous Diving Beetle
Acilius athabascae is a species of predaceous diving beetle described by Larson in 1975. It belongs to the genus Acilius, a group of large diving beetles known for their streamlined bodies and predatory habits in aquatic environments. The species is found in North America, with records from Alberta and British Columbia in Canada.
Acupalpus pumilus
Dwarf Harp Ground Beetle
Acupalpus pumilus is a species of ground beetle in the family Carabidae, first described by Lindroth in 1968. It is known from North America, with records from Canada and the United States. The species belongs to the genus Acupalpus, a group of small ground beetles often referred to as harp ground beetles. Very few observations of this species have been documented.
Acylomus pugetanus
Ergot Beetle
Acylomus pugetanus is a species of beetle in the family Phalacridae, commonly known as the Ergot Beetle. It was described by Casey in 1916. The species is part of a genus associated with ergot fungi, though specific ecological details for this particular species remain limited in available literature.
Adelencyrtus intersectus
Adelencyrtus intersectus is a species of parasitic wasp in the family Encyrtidae, originally described as Encyrtus intersectus by Fonscolombe in 1832. The species has been subject to taxonomic revision, with some sources listing it as a synonym of Epitetracnemus intersectus while Catalogue of Life maintains it as an accepted species within Adelencyrtus. It is known from Canada with records from British Columbia, Nova Scotia, Ontario, and Quebec.
Adelesta nova
Adelesta nova is a species of sawfly in the family Tenthredinidae, first described by Norton in 1867. It belongs to a group of herbivorous insects commonly known as sawflies, which are distinguished from other Hymenoptera by their broad connection between thorax and abdomen (lacking the wasp waist). The species has been recorded in eastern Canada.
Aeolus amabilis
Aeolus amabilis is a species of click beetle in the family Elateridae, described by LeConte in 1853. It belongs to a genus characterized by small to medium-sized beetles with the typical elaterid body plan. The species has been recorded in Ontario, Canada, though detailed biological information remains limited in available sources.
Aethes angulatana
Angular Aethes Moth, angular aethes
Aethes angulatana, commonly known as the Angular Aethes Moth, is a small tortricid moth described by Robinson in 1869. Adults are active during summer months, with flight periods varying by latitude. The species is relatively well-documented with over 200 iNaturalist observations.
Afrogethes saevus
pollen beetle
Afrogethes saevus is a species of pollen beetle in the family Nitidulidae. It is found in North America, with confirmed records from the Canadian provinces of Alberta, Manitoba, and Saskatchewan.
Agabus antennatus
Agabus antennatus is a species of predaceous diving beetle in the family Dytiscidae, first described by Leech in 1939. It is found in North America, with records from Alberta and British Columbia in Canada. As a member of the genus Agabus, it is an aquatic predator inhabiting freshwater environments.
Agathidium hamulum
Agathidium hamulum is a species of round fungus beetle in the family Leiodidae, described by Miller and Wheeler in 2005. The specific epithet "hamulum" refers to a small hook, likely describing a morphological feature of this species. Like other members of the genus Agathidium, it is presumed to be associated with fungi and decaying organic matter. The species has been documented in both Canada and the northeastern United States.
Aglaostigma rubens
A species of sawfly in the family Tenthredinidae. Known from limited records in western North America, primarily British Columbia, Canada. As with other tenthredinids, the larvae likely feed on plant foliage, though specific host associations remain undocumented.
Agnyphantes arboreus
Agnyphantes arboreus is a species of sheet-web weaver spider in the family Linyphiidae, first described by Emerton in 1915 under the name Bathyphantes arborea. It is a small spider native to western North America, with confirmed records from Alberta and British Columbia in Canada. Like other linyphiids, it constructs flat sheet webs to capture prey. The species epithet 'arboreus' suggests an association with trees or woody vegetation.
Agonum extensicolle
Agonum extensicolle is a species of ground beetle in the subfamily Platyninae. It occurs in western North America, including Arizona in the United States and Canada. As a member of the genus Agonum, it belongs to a diverse group of small to medium-sized ground beetles. The species is documented in the iNaturalist database with approximately 800 observations.
Agonum placidum
Agonum placidum is a black ground beetle in the Platyninae subfamily. It inhabits woodlands, thickets, and open fields across southern Canada and the northeastern United States. The species has been documented in turfgrass environments where it functions as a generalist predator.
Agrilus geminatus
Agrilus geminatus is a species of metallic woodboring beetle in the family Buprestidae. It is found in North America, with records from Canada (Ontario, Québec) and the United States. The species belongs to the hyperdiverse genus Agrilus, which contains nearly 4,000 described species and is considered perhaps the largest genus in the animal kingdom. Like most Agrilus species, it is presumed to be a twig and branch borer utilizing recently dead wood for larval development.
Agriotes arcanus
Arcane Click Beetle
Agriotes arcanus is a species of click beetle in the family Elateridae, first described by W.J. Brown in 1933. The species belongs to a genus containing numerous economically significant agricultural pests, though specific information about this particular species remains limited. It is known from Ontario, Canada, based on available distribution records. Like other members of Elateridae, adults possess the characteristic clicking mechanism that allows them to right themselves when flipped onto their backs.
Agriotes fucosus
Dark Click Beetle
Agriotes fucosus, commonly known as the Dark Click Beetle, is a species of click beetle in the family Elateridae. It is native to North America with documented records from several Canadian provinces including Alberta, Manitoba, New Brunswick, Newfoundland and Labrador, and Nova Scotia. The species is part of a genus containing agricultural pests whose larvae (wireworms) damage crop roots.
Agriotes isabellinus
Isabelline Click Beetle
Agriotes isabellinus is a click beetle (family Elateridae) known as the Isabelline Click Beetle. It is native to eastern Canada, with records from Ontario and Québec. As a member of the genus Agriotes, its larvae are likely wireworms, though specific life history details for this species remain poorly documented. The species has been detected through environmental DNA methods in studies targeting invasive pest detection.
Agriotes limosus
Muddy Click Beetle
Agriotes limosus is a click beetle species in the family Elateridae, commonly known as the Muddy Click Beetle. The species is native to North America with documented records across multiple Canadian provinces. As with other Agriotes species, the larvae (wireworms) are soil-dwelling and may feed on plant roots. The species has been detected in environmental DNA studies of green yard waste, indicating its potential for inadvertent transport through human activities.
Agriotes pubescens
Pubescent Click Beetle
Agriotes pubescens is a Nearctic click beetle (family Elateridae) native to North America. It commonly co-occurs with Agriotes mancus on farmland in central Canada, where it is frequently collected in surveys targeting invasive Palearctic Agriotes species. Despite its abundance in agricultural settings, its life history and potential economic impact remain poorly studied. The species shares an identical sex pheromone—geranyl octanoate—with the invasive Palearctic species A. lineatus, resulting in cross-attraction between the two species in pheromone-baited traps.
Agriotes quebecensis
Quebec Click Beetle
Agriotes quebecensis is a species of click beetle in the family Elateridae, native to eastern Canada. The species was described by Brown in 1933. Distribution records indicate occurrence in Manitoba, New Brunswick, Nova Scotia, Ontario, and Quebec. As a member of the genus Agriotes, the larvae likely develop as soil-dwelling wireworms, though specific life history details for this species remain undocumented.
Agyneta barrowsi
Agyneta barrowsi is a species of sheet weaver spider in the family Linyphiidae, described by Chamberlin & Ivie in 1944. It occurs in the United States and Canada. The genus Agyneta belongs to the large family of dwarf sheet weavers, which are characterized by their small size and flat, sheet-like webs.
Ahasverus longulus
Ahasverus longulus is a species of silvanid flat bark beetle in the family Silvanidae, first described by Blatchley in 1910. It is known from North America, with documented records from Canada including New Brunswick, Ontario, and Québec. As a member of Silvanidae, it is associated with bark and wood habitats, though specific ecological details remain limited.
Aleiodes sanctihyacinthi
Aleiodes sanctihyacinthi is a species of parasitoid wasp in the family Braconidae, originally described by Provancher in 1880. As a member of the genus Aleiodes, it is part of a diverse group known for their distinctive mummification of caterpillar hosts. The species epithet references Saint-Hyacinthe, a location in Quebec, Canada, reflecting its North American origin. Very few documented observations of this species exist in public databases.
Aleochara thoracica
Aleochara thoracica is a species of rove beetle in the family Staphylinidae, tribe Falagriini. The species was described by Stephens in 1832 and is currently accepted under this name, though it has been classified under the genus Falagrioma in some treatments. It occurs in northeastern North America, with records from Canada and the United States. Very little is known about its biology or ecology.
Allandrus populi
Allandrus populi is a fungus weevil species in the family Anthribidae, described by Pierce in 1930. The species is distributed across North America, with confirmed records from multiple Canadian provinces including Alberta, British Columbia, New Brunswick, and Nova Scotia. As a member of the fungus weevil family, it is associated with fungal hosts, though specific ecological details remain limited in published literature.
Altica pedipallida
Altica pedipallida is a flea beetle in the tribe Alticini described by LeSage in 2008. The species is known from eastern Canada (Ontario and Québec) and has been documented with a larval host association with Oenothera pilosella (Onagraceae), representing the first recorded host plant for this species. Like other members of the genus Altica, adults likely feed on foliage of host plants.
Amara browni
Amara browni is a ground beetle species in the family Carabidae, described by Lindroth in 1968. It belongs to the large genus Amara, which contains numerous species of small to medium-sized carabid beetles distributed primarily in the Northern Hemisphere. The species is known from Canada, with records from the Yukon Territory and Northern Territory.
Amara sinuosa
Amara sinuosa is a species of ground beetle in the family Carabidae. The species was originally described as Celia sinuosa by Casey in 1918 before being transferred to the genus Amara. It is recorded from Alaska, Canada, and the United States. Like other members of the genus Amara, it is likely associated with seed-feeding habits, though specific dietary details for this species are not documented.
Amaurobius borealis
hacklemesh weaver
Amaurobius borealis is a species of hacklemesh weaver spider in the family Amaurobiidae. It occurs across northern North America, with records from the United States and Canada. The species was described by Emerton in 1909. Like other members of its genus, it constructs tangled, irregular webs.
Ambesa laetella
snout moth
Ambesa laetella is a species of snout moth in the family Pyralidae, described by Augustus Radcliffe Grote in 1880. It is known from the Canadian prairie provinces of Alberta, Manitoba, and Saskatchewan. As a member of the subfamily Phycitinae, it shares the characteristic elongated labial palps that form a "snout" projection. The species has been documented through 95 iNaturalist observations, indicating it is moderately well-observed but remains poorly studied in the scientific literature.
Amblyctis praeses
Beech False Darkling Beetle
Amblyctis praeses is a small false darkling beetle in the family Melandryidae, described by John Lawrence LeConte in 1879. It is known from eastern Canada, specifically Ontario and Québec. The species has received limited scientific attention, with minimal published information on its biology and ecology.
Ametastegia articulata
Ametastegia articulata is a species of sawfly in the family Tenthredinidae, first described by Klug in 1818. It belongs to the subfamily Allantinae and is recorded from eastern Canada. Like other sawflies in this genus, it is likely associated with herbaceous vegetation, though specific host plant relationships remain poorly documented. The species is represented by very few observations, indicating either genuine rarity or undercollection.
Ammodonus fossor
Ammodonus fossor is a species of darkling beetle (family Tenebrionidae) described by LeConte in 1847. The species epithet "fossor" (Latin for "digger") suggests fossorial (burrowing) habits, though specific behavioral documentation is limited. It is recorded from Ontario, Canada, with relatively few observations available. As a member of Tenebrionidae, it belongs to a large and diverse family of beetles primarily associated with arid and semi-arid environments, though many species occupy varied habitats.
Ammophila ferruginosa
Ammophila ferruginosa is a species of thread-waisted wasp in the family Sphecidae. It is one of over sixty species in the genus Ammophila found in North America. Like other members of this genus, it is a solitary wasp that provisions underground nests with paralyzed caterpillars as food for its larvae. The species was described by Cresson in 1865 and is recorded from North America, with specific distribution records from Canada including Alberta.
Ampedus luctuosus
Sorrowful Click Beetle
Ampedus luctuosus is a click beetle in the family Elateridae, distributed across central and eastern Canada. The species is known from limited observations, with 11 records on iNaturalist. Like other members of its genus, it possesses the characteristic click mechanism that allows beetles to right themselves when overturned.
Ampedus melsheimeri
Ampedus melsheimeri is a species of click beetle (family Elateridae) described by Leng in 1918. The species belongs to a genus of beetles commonly associated with decaying wood and fungal substrates. Records indicate it occurs in central and eastern Canada, with scattered observations suggesting it may be uncommon or undercollected. As with many Ampedus species, detailed natural history information remains limited.
Ampedus moerens
Sad Click Beetle
Ampedus moerens is a species of click beetle in the family Elateridae, commonly known as the Sad Click Beetle. It belongs to the tribe Ampedini within the subfamily Dendrometrinae. The species was described by LeConte in 1861. Records indicate presence in western and northern Canada, including Alberta and British Columbia.
Ampedus nigricans
Ampedus nigricans is a click beetle species in the family Elateridae, first described by Germar in 1844. It is distributed across central and eastern Canada, with records from Alberta, Manitoba, New Brunswick, Nova Scotia, and Ontario. As a member of the click beetle family, it possesses the characteristic prosternal process that enables the distinctive clicking mechanism used for righting itself when overturned.
Ampedus nigrinus
Black Click Beetle
Ampedus nigrinus is a click beetle species in the family Elateridae, commonly known as the Black Click Beetle. It has a Holarctic distribution with records from multiple Canadian provinces including Alberta, British Columbia, Labrador, and Manitoba. The species belongs to a family characterized by the distinctive clicking mechanism used for righting themselves when overturned.
Ampedus rubricus
Red Click Beetle
Ampedus rubricus, commonly known as the Red Click Beetle, is a species of click beetle in the family Elateridae. The species was described by Thomas Say in 1825 and is native to eastern Canada. Adults are characterized by their reddish coloration and possess the family's namesake clicking mechanism for righting themselves when overturned. The species is relatively well-documented on citizen science platforms with over 300 observations recorded.
Ampedus sayi
Ampedus sayi is a species of click beetle in the family Elateridae, described by John Lawrence LeConte in 1853. It belongs to the genus Ampedus, which comprises numerous species of small to medium-sized beetles characterized by their ability to produce an audible clicking sound. The species is known from eastern Canada, with records from New Brunswick, Nova Scotia, and Ontario. As with other elaterids, it possesses a prosternal process that fits into a mesosternal groove, enabling the characteristic 'click' mechanism for righting itself when overturned.
Anametis granulata
Granular Broad-nosed Weevil
Anametis granulata is a broad-nosed weevil in the family Curculionidae, commonly known as the Granular Broad-nosed Weevil. It is distributed across northern North America, with records from multiple Canadian provinces including Alberta, British Columbia, Manitoba, and Ontario. As an entimine weevil, it belongs to a group characterized by broad, short rostra and root-feeding larvae.