Canada
Guides
Neoconocephalus retusus
Round-tipped Conehead
Neoconocephalus retusus, commonly known as the round-tipped conehead, is a species of katydid in the family Tettigoniidae. Adults range from 37 to 52 mm in length and are active during late summer and autumn. The species is found in the eastern United States and southern Canada, typically in wet grassy and weedy habitats.
Neohaemonia nigricornis
Neohaemonia nigricornis is an aquatic leaf beetle in the family Chrysomelidae, subfamily Donaciinae. The species inhabits freshwater environments in North America, with a distribution spanning the northern United States and southern Canada. As a member of the tribe Haemoniini, it shares adaptations for aquatic life with related genera, though specific biological details remain poorly documented in published literature.
Neohypdonus gentilis
Western Gentle Click Beetle
Neohypdonus gentilis is a click beetle species in the family Elateridae, commonly known as the Western Gentle Click Beetle. It is a member of the genus Neohypdonus, which was established to accommodate species formerly placed in related genera. The species is documented from western North America, primarily in Canadian provinces and adjacent regions. As with other elaterids, adults possess the characteristic click mechanism for righting themselves when overturned.
Neoligia tonsa
cutworm moth, dart moth
Neoligia tonsa is a species of noctuid moth described by Augustus Radcliffe Grote in 1880. It belongs to the genus Neoligia, a group of small to medium-sized owlet moths. The species is recorded from the Canadian Prairie Provinces and has been assigned MONA/Hodges number 9413. It is one of approximately 20 species currently placed in Neoligia, a genus whose taxonomy remains under study.
Neoporus sulcipennis
Neoporus sulcipennis is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Neoporus undulatus
Neoporus undulatus is a predaceous diving beetle in the family Dytiscidae. It is found in North America, with records from Canada (Alberta, British Columbia) and the United States. The species was first described by Thomas Say in 1823. As a member of the Hydroporinae subfamily, it belongs to a diverse group of small to medium-sized diving beetles that inhabit aquatic environments.
Neotobia alberta
Neotobia alberta is a rove beetle species described by Ashe in 1992, belonging to the subfamily Aleocharinae within the family Staphylinidae. The species is known from scattered localities across Canada and the northeastern United States. As a member of the Homalotini tribe, it is likely associated with fungal or decaying organic substrates, though specific ecological details remain poorly documented. The species name refers to Alberta, Canada, where the type specimen was presumably collected.
Nephrotoma altissima
Nephrotoma altissima is a species of large crane fly in the family Tipulidae. It occurs across northern and western North America, ranging from Alaska and northern Canada south to Oregon, Arizona, and New Mexico. As a member of the genus Nephrotoma, it belongs to a group commonly known as tiger crane flies, which are distinguished by patterned wings and bodies.
Nephus flavifrons
yellow-fronted lady beetle
Nephus flavifrons, commonly known as the yellow-fronted lady beetle, is a small lady beetle in the family Coccinellidae. It belongs to a genus of dusky lady beetles characterized by their diminutive size and often subtle coloration compared to more conspicuous lady beetles. The species occurs in North America, with records from Canada and the northeastern United States.
Nepytia canosaria
False Hemlock Looper Moth, false hemlock looper
Nepytia canosaria is a North American geometrid moth commonly known as the false hemlock looper. The species occurs across a broad transcontinental range from northeastern Alberta to the Atlantic provinces, extending south through New England. Adults are active in late summer, with flight records from August through September. The larval stage feeds primarily on conifers including balsam fir, eastern hemlock, and various spruce species.
Nepytia pellucidaria
false pine looper, Boreal Pine Looper Moth
Nepytia pellucidaria is a geometrid moth commonly known as the false pine looper. The species was first described by Alpheus Spring Packard in 1873. It occurs in northeastern North America, where its larvae feed on hard pines including pitch pine and red pine. The species has a wingspan of approximately 34–39 mm.
Nesoselandria morio
Moss Sawfly
Nesoselandria morio is a species of sawfly in the family Tenthredinidae, and is the sole member of the genus Nesoselandria. It is commonly known as the Moss Sawfly. The species has been recorded in parts of Europe, particularly Belgium, and in Canada. As a sawfly, it belongs to the suborder Symphyta, which are distinguished from other Hymenoptera by a broad connection between the thorax and abdomen without the narrow waist (petiole) seen in ants, bees, and wasps.
Nicocles canadensis
Nicocles canadensis is a species of robber fly in the family Asilidae, described by Charles Howard Curran in 1923. As a member of the subfamily Brachyrhopalinae, it belongs to a group of relatively small, slender robber flies. The genus Nicocles contains several North American species, with N. canadensis representing one of the documented members of this genus. Like other asilids, it is presumed to be a predatory insect, though specific behavioral and ecological details remain poorly documented in published literature.
Nitidula nigra
Nitidula nigra is a small sap-feeding beetle in the family Nitidulidae, first described by Schaeffer in 1911. The species is recorded from western and central Canada, including Alberta, British Columbia, and Manitoba. Like other members of its genus, it is associated with decomposing organic matter and carrion habitats.
Nothodelphax glacia
Nothodelphax glacia is a species of planthopper in the family Delphacidae, described by Wilson in 1992. It belongs to a genus of small, delicate insects commonly associated with grasses and sedges in wetland and riparian habitats. The species epithet 'glacia' suggests a possible association with glacial or cold-water environments, though this connection has not been formally documented. Like other delphacids, it likely feeds on plant phloem using piercing-sucking mouthparts.
Notiodes limatulus
marsh weevil
Notiodes limatulus is a species of marsh weevil in the beetle family Brachyceridae, described by O'Brien & Wibmer in 1982. It is known from multiple Canadian provinces and is part of a genus associated with wetland habitats. The species has been documented through 19 iNaturalist observations and is accepted in major taxonomic databases.
Oberea delongi
Poplar Twig Borer
Oberea delongi is a species of flat-faced longhorn beetle in the tribe Obereini, described by Knull in 1928. It belongs to the genus Oberea, a group of slender, twig-boring beetles commonly known as twig borers. The species occurs in eastern North America, with records from Ontario, Québec, and surrounding regions.
Oberea praelonga
Oberea praelonga is a species of longhorn beetle in the family Cerambycidae, described by Thomas Lincoln Casey Jr. in 1913. It belongs to the genus Oberea, a group of small to medium-sized beetles characterized by their slender, cylindrical bodies and often cryptic coloration. The species is known from eastern Canada, with records from New Brunswick, Ontario, and Québec.
Occidentalia comptulatalis
Occidentalia comptulatalis is a small crambid moth and the sole member of the monotypic genus Occidentalia. It is found in northern North America, primarily in Canada and the northern United States. The species was originally described as Crambus comptulatalis before being placed in its own genus. Despite its relatively broad geographic range, it remains poorly studied with limited published information on its biology.
Odonteus filicornis
earth-boring scarab beetle
Odonteus filicornis is an earth-boring scarab beetle in the family Geotrupidae. The species was described by Thomas Say in 1823. It is native to North America and has been documented across the central United States and southern Canada.
Oestodes tenuicollis
Oestodes tenuicollis is a species of click beetle in the family Elateridae, first described by Randall in 1838. It is a small, poorly documented species known primarily from eastern Canada. The genus Oestodes contains few species and is characterized by slender body proportions.
Ogcodes canadensis
Ogcodes canadensis is a species of small-headed flies in the family Acroceridae, described by Schlinger in 1960. Members of this family are characterized by their distinctive small heads and humpbacked appearance. The species is currently accepted as valid, though it has been listed as a synonym in some sources.
Olethreutes astrologana
Astronomer Moth, astronomer
Olethreutes astrologana, commonly known as the astronomer or astronomer moth, is a species of tortricid moth in the family Tortricidae. It is a small moth in the subfamily Olethreutinae, tribe Olethreutini. The species was first described by Zeller in 1875 under the basionym Sericoris astrologana.
Olethreutes atrodentana
Olethreutes atrodentana is a species of tortricid moth in the family Tortricidae, first described by Fernald in 1882. The species belongs to the large genus Olethreutes, which contains numerous small moths commonly known as tortrix moths or leafroller moths. Like other members of this genus, it is likely a small moth with characteristic wing patterns typical of the Olethreutinae subfamily. The original description dates to the late 19th century, indicating it has been recognized in entomological literature for over 140 years.
Olethreutes inornatana
Inornate Olethreutes Moth, inornate olethreute
Olethreutes inornatana is a small tortricid moth in the family Tortricidae, commonly known as the Inornate Olethreutes Moth. It is distributed across northern North America, with records from Canada (Alberta, Manitoba, Saskatchewan) and the United States (Vermont). The species belongs to the subfamily Olethreutinae, a group of small moths often referred to as tortrix moths or leafroller moths. The MONA or Hodges number for this species is 2788.
Olethreutes punctanum
Olethreutes punctanum is a species of tortricid moth described by Walsingham in 1903. As a member of the Olethreutinae subfamily, it belongs to a group commonly known as leafroller moths. The genus Olethreutes contains numerous species, many of which are small to medium-sized moths with distinctive wing patterns. Specific details about the biology and ecology of O. punctanum remain limited in published literature.
Olethreutes schulziana
Olethreutes schulziana is a species of tortricid moth in the family Tortricidae, subfamily Olethreutinae. It was described by Fabricius in 1776. Records indicate its presence in the Canadian provinces of Alberta and Saskatchewan. As with many Olethreutes species, detailed biological information remains limited in published literature.
Olibrus vittatus
Olibrus vittatus is a species of beetle in the family Phalacridae, a group commonly known as shining flower beetles. The species was described by LeConte in 1868. Phalacridae are small beetles often associated with flowers and decaying plant matter, though specific ecological details for O. vittatus remain poorly documented.
Omalonomus relictus
Omalonomus relictus is a rove beetle species in the family Staphylinidae, described by Campbell and Peck in 1990. The species has been recorded from western Canada (Alberta, Saskatchewan) and the northwestern United States (Utah, Washington). As a member of the subfamily Omaliinae, it belongs to a group of rove beetles often associated with forest floor habitats and decaying organic matter.
Oncopsis quebecensis
Oncopsis quebecensis is a leafhopper species in the family Cicadellidae, described by Hamilton in 1983. It belongs to the tribe Macropsini within the subfamily Eurymelinae. The species has been documented from Newfoundland and Labrador and Nova Scotia in eastern Canada. As a member of the genus Oncopsis, it is part of a group of leafhoppers associated with woody host plants.
Onichodon downiei
Onichodon downiei is a species of false click beetle described by Muona in 2000. The species is known from Ontario and Québec in Canada. As a member of the family Eucnemidae, it belongs to a group of beetles commonly associated with decaying wood and forest habitats. Very few observations of this species have been documented.
Onycholyda quebecensis
Onycholyda quebecensis is a species of sawfly in the family Pamphiliidae, order Hymenoptera. As a member of this family, it is a non-stinging relative of wasps and bees with larvae that develop on plants. The species epithet 'quebecensis' indicates a geographic connection to Quebec, Canada. Very few observations of this species exist in public databases.
Oodes amaroides
Oodes amaroides is a ground beetle species in the family Carabidae, first described by Dejean in 1831. It belongs to the subfamily Licininae and tribe Oodini. The species is documented from North America, with occurrence records from Canada and the United States. As a member of the genus Oodes, it shares characteristics with other oodine ground beetles, though specific biological details remain limited in published literature.
Opisthius richardsoni
Opisthius richardsoni is a ground beetle in the family Carabidae, native to northern North America. It is frequently mistaken for tiger beetles (Cicindelinae) due to its superficial resemblance, a common identification error among collectors. The species occurs across Alaska, Canada, and the northern United States.
Orchesia castanea
Orchesia castanea is a beetle species in the family Melandryidae, described by Melsheimer in 1846. It belongs to a family commonly known as false darkling beetles. The species has been documented in several Canadian provinces including British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, and Nova Scotia. Information regarding its specific biology and ecology remains limited.
Orchesia ovata
Orchesia ovata is a species of false darkling beetle in the family Melandryidae, described by Laliberté in 1967. It belongs to a family of beetles commonly associated with decaying wood and fungal habitats. The species has been documented in eastern Canada, with records from New Brunswick, Nova Scotia, Ontario, Prince Edward Island, and Quebec. Like other members of its genus, it likely inhabits forested environments where it contributes to the decomposition of woody material.
Orchestes mixtus
Orchestes mixtus is a weevil species in the family Curculionidae, first described by Blatchley and Leng in 1916. The species is recorded from multiple Canadian provinces including Alberta, British Columbia, Manitoba, New Brunswick, and Nova Scotia. As a member of the genus Orchestes, it belongs to a group of small weevils commonly known as elm leaf weevils or flea weevils, many of which are associated with elm trees.
Orectoderus montanus
Orectoderus montanus is a species of plant bug in the family Miridae, described by Knight in 1968. It belongs to the true bugs (Heteroptera), a group characterized by piercing-sucking mouthparts. The species is found in western North America, with records from the Great Plains and Rocky Mountain regions.
Oreoneta
A genus of dwarf spiders (family Linyphiidae) established in 1894, comprising approximately 30 species distributed across cold-temperate and Arctic regions of the Northern Hemisphere. Most species inhabit high-latitude or high-altitude environments. The genus was revised extensively by Saaristo & Marusik in 2004, resulting in numerous new species descriptions.
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expressus
Orinisobates expressus is a millipede species in the family Nemasomatidae, first described by Chamberlin in 1941. It belongs to the order Julida, a diverse group of cylindrical millipedes. The species has been documented in Alberta, Canada, with approximately 50 iNaturalist observations contributing to its known distribution.
Orthochaetes
Orthochaetes is a genus of weevils in the family Curculionidae, tribe Styphlini, established by Germar in 1823. The genus has Palearctic origins, with at least one species, Orthochaetes setiger, documented as an adventive introduction to North America. Records from Canada indicate establishment in Newfoundland and British Columbia. The genus is characterized by morphological features distinguishing it from other Styphlini genera, requiring modified identification keys for North American fauna.
Osphya varians
Variable False Darkling Beetle
Osphya varians is a species of false darkling beetle in the family Melandryidae. It is known from eastern Canada, specifically Ontario and Québec. The specific epithet "varians" suggests variable characteristics, though detailed documentation of this variability is limited in available sources. Like other members of Melandryidae, it belongs to a family of beetles commonly associated with decaying wood and fungal habitats.
Oxygonus obesus
Oxygonus obesus is a click beetle (Elateridae) described by Thomas Say in 1823. The species is poorly documented in modern literature, with only 13 iNaturalist observations as of the source data. It occurs in eastern and central Canada. As with other Elateridae, adults possess the family-characteristic prosternal process that enables the 'click' mechanism for righting themselves when overturned.
Pachybrachis minor
Pachybrachis minor is a small leaf beetle in the family Chrysomelidae, described by Bowditch in 1909. The genus Pachybrachis contains numerous species of flea beetles and leaf beetles found primarily in North America. This species is recorded from western Canada including British Columbia and Manitoba.
Pachygnatha autumnalis
Big-eyed Thick-jawed Spider
Pachygnatha autumnalis is a long-jawed orb-weaver spider in the family Tetragnathidae, first described by Marx in 1884. The species occurs across a broad North American and Caribbean range, including the United States, Canada, and Cuba. As a member of the genus Pachygnatha, it shares the characteristic robust, enlarged chelicerae that distinguish this group from other tetragnathids. Observations suggest it is primarily active during autumn months, consistent with its specific epithet.
Pammene perstructana
Pammene perstructana is a small tortricid moth described by Walker in 1863, originally placed in the genus Sciaphila. It belongs to the tribe Grapholitini within the subfamily Olethreutinae. The species is documented from the Canadian provinces of Alberta and Manitoba. Like other members of the genus Pammene, it is likely associated with woody plants, though specific biological details remain poorly documented.
Pandemis morrisana
A small tortricid moth first described from Canada in 1978. The species was originally placed in the genus Archepandemis but has since been transferred to Pandemis. It is known from a single Canadian province with limited published information on its biology.
Papilio canadensis
Canadian Tiger Swallowtail
A medium-sized swallowtail butterfly with yellow and black striped wings, found across northern North America. Adults fly during spring and summer with a single annual brood. The species was formerly considered a subspecies of Papilio glaucus but is now recognized as distinct based on morphological and genetic differences. It exhibits regional adaptation to climate, with northern populations showing faster development rates in cooler temperatures.
Paracharactus rudis
Paracharactus rudis is a species of sawfly in the family Tenthredinidae, first described by Norton in 1861. It belongs to a genus of sawflies whose members are associated with woody plants. The species is recorded from multiple provinces across Canada including Manitoba, Nova Scotia, Ontario, and Quebec. Sawflies in this family are herbivorous in the larval stage, with many species being economically significant pests of trees and shrubs.
Paradonus beckeri
Paradonus beckeri is a species of click beetle in the family Elateridae, described by Stibick in 1991. It belongs to the genus Paradonus, which is part of the diverse Elateridae family characterized by their ability to produce a clicking sound through a prosternal process that snaps against a mesosternal groove. The species is known from limited collection records in eastern Canada.