Canada
Guides
Selatosomus aeripennis
Sapphire-winged Click Beetle
Selatosomus aeripennis is a species of click beetle in the family Elateridae. It is commonly known as the Sapphire-winged Click Beetle, a name referring to the distinctive metallic blue coloration of its elytra. The species is distributed across northern and western Canada. Like other elaterids, it possesses the characteristic clicking mechanism for righting itself when overturned.
Selatosomus festivus
Festive Click Beetle
Selatosomus festivus, commonly known as the Festive Click Beetle, is a species of click beetle in the family Elateridae. The species is distributed across central and western Canada. It belongs to a genus characterized by metallic coloration and the ability to 'click' to right itself when overturned. The specific epithet 'festivus' suggests colorful or celebratory appearance, though detailed morphological descriptions are limited in available sources.
Selatosomus pulcher
Noble Click Beetle
Selatosomus pulcher, commonly known as the Noble Click Beetle, is a species of click beetle (family Elateridae) described by LeConte in 1853. The species is found across multiple Canadian provinces including Alberta, British Columbia, Manitoba, New Brunswick, and Nova Scotia. As with other members of the genus Selatosomus, this species possesses the characteristic clicking mechanism that allows these beetles to right themselves when flipped onto their backs.
Selatosomus suckleyi
Selatosomus suckleyi is a species of click beetle in the family Elateridae, first described by LeConte in 1857. The species is recorded from British Columbia, Canada, based on distribution data. As a member of the genus Selatosomus, it belongs to a group of beetles characterized by their ability to produce a clicking sound and jump when threatened, a trait enabled by a prosternal spine that fits into a mesosternal groove.
Semanotus terminatus
Semanotus terminatus is a species of longhorned beetle (family Cerambycidae) in the tribe Callidiini. It is native to North America with confirmed records from multiple Canadian provinces including Alberta, British Columbia, Manitoba, New Brunswick, and Nova Scotia. As a member of the genus Semanotus, it is presumed to be associated with coniferous hosts, though specific biological details for this species remain poorly documented in published literature. The species was described by Casey in 1912.
Sergiolus angustus
Sergiolus angustus is a ground spider in the family Gnaphosidae, native to western North America. Like other members of its genus, it exhibits bold coloration that may represent mimicry of velvet ants (Mutillidae). The species is medium-sized, diurnal, and nomadic, actively hunting rather than building webs to capture prey. It constructs silk retreats for molting, egg guarding, and overwintering.
Sergiolus decoratus
Sergiolus decoratus is a species of ground spider in the family Gnaphosidae, first described by Kaston in 1945. Like other members of the genus Sergiolus, it is known for its bold, colorful markings that may serve as mimicry of velvet ants (Mutillidae). The species is found in North America, with records from the United States and Canada including Alberta and Manitoba.
Setasomus aratus
Plowing Click Beetle
Setasomus aratus is a click beetle (family Elateridae) found across central and eastern Canada. It is commonly known as the Plowing Click Beetle. The species was described by John Lawrence LeConte in 1853. It belongs to the genus Setasomus, which contains several North American species characterized by distinctive setal patterns.
Silis spathulata
Silis spathulata is a species of soldier beetle in the family Cantharidae, described by LeConte in 1881. It belongs to a genus of soft-bodied beetles commonly associated with flowers and vegetation. Records indicate presence in parts of North America, particularly eastern Canada.
Silvanus nitidulus
Elegant Silvan Flat Bark Beetle
Silvanus nitidulus is a small flat bark beetle in the family Silvanidae. The species was described by LeConte in 1854 and is distributed across North America, with confirmed records from Alberta and Manitoba in Canada. It is known by the common name Elegant Silvan Flat Bark Beetle.
Sisicus penifusifer
dwarf spider
Sisicus penifusifer is a species of dwarf spider in the family Linyphiidae, described by Bishop and Crosby in 1938. It belongs to a genus of small sheet-web weavers. The species has been documented in parts of the United States and Canada, with records from Alberta, British Columbia, and Manitoba.
Smicronyx pinguis
Smicronyx pinguis is a species of true weevil in the beetle family Curculionidae. It was described by Blatchley and Leng in 1916 and is known from North America, with records from Ontario, Canada. The genus Smicronyx includes seed weevils, many of which are associated with sunflower and other Asteraceae hosts, though specific biological information for S. pinguis remains sparse.
Somatochlora hineana
Hine's Emerald, Hine's Emerald Dragonfly
Somatochlora hineana is a rare dragonfly species endemic to North America, listed as endangered in Canada since 2011 and of conservation concern in the United States. The species is highly specialized, requiring groundwater discharge areas in wetland habitats to complete its life cycle. It exhibits habitat segregation between sexes and has been documented with biased sex ratios, factors that complicate conservation efforts. The Canadian population is restricted to the Minesing Wetlands in Ontario, while U.S. populations occur in Michigan and other states with suitable calcareous wetland habitats.
Somatochlora septentrionalis
Muskeg Emerald
Somatochlora septentrionalis, known as the muskeg emerald, is a dragonfly species in the family Corduliidae endemic to Canada. Adults are medium-sized, measuring 39–48 mm in length, with metallic green, brown, and black coloration. The species inhabits open fens with pools of open water, where males patrol and females oviposit in water and floating vegetation. Adults are active from June to August. It is nearly identical to Somatochlora whitehousei, requiring examination of male cerci and female subgenital plate for definitive identification.
Speyeria atlantis hollandi
Holland's Atlantis Fritillary
Speyeria atlantis hollandi is a subspecies of the Atlantis fritillary butterfly, first described by Chermock in 1940. It belongs to the brush-footed butterfly family Nymphalidae. Research on the nominate species Speyeria atlantis has demonstrated that this butterfly relies primarily on visual perception for navigation to suitable habitat patches, with studies showing that flash-induced blindness severely impairs homing ability even at short distances.
Speyeria callippe comstocki
Comstock's Callippe Fritillary
Speyeria callippe comstocki is a subspecies of the Callippe fritillary butterfly, endemic to the Canadian prairies. It belongs to the greater fritillary group (genus Speyeria), characterized by silvery spots on the wing undersides and obligate associations with violet host plants. The subspecies is distinguished from other S. callippe populations by geographic isolation in the northern Great Plains. Like other Speyeria species, adults are strong fliers that rely primarily on vision for habitat navigation.
Speyeria cybele krautwurmi
Great Spangled Fritillary
Speyeria cybele krautwurmi is a subspecies of the great spangled fritillary butterfly, recognized by Holland in 1931. It belongs to a species complex known for visual-based navigation to habitat patches and close ecological ties to violet host plants. The subspecies occurs in northern North America, with records from the Canadian Prairie provinces and Vermont.
Speyeria mormonia washingtonia
Washington's Fritillary
Speyeria mormonia washingtonia is a subspecies of Mormon fritillary butterfly in the family Nymphalidae. It belongs to a genus of greater fritillaries known for their close ecological association with violet host plants. As a subspecies, it represents a geographically distinct population within the broader Speyeria mormonia species complex found in western North America.
Sphecomyia columbiana
Columbian Yellowjacket Fly
Sphecomyia columbiana is a species of syrphid fly in the family Syrphidae, described by Vockeroth in 1965. The genus Sphecomyia is known for remarkably convincing wasp mimicry, particularly of yellowjackets. The specific epithet 'columbiana' refers to its known distribution in Canada.
Sphenarches ontario
Grape Flower Plume Moth
Sphenarches ontario is a plume moth (family Pterophoridae) described from Ontario, Canada in 1927 by James Halliday McDunnough. It is commonly known as the Grape Flower Plume Moth. The species belongs to a genus characterized by distinctive wing morphology typical of plume moths, with wings divided into feathery plumes. As a member of the Oxyptilini tribe, it is part of a group of small to medium-sized plume moths whose larvae often feed on flowers and fruits.
Sphenophorus incongruus
Sphenophorus incongruus is a weevil species in the family Dryophthoridae, first described by Chittenden in 1905. The species belongs to the genus Sphenophorus, commonly known as billbugs, which contains numerous turfgrass and crop pests. Records indicate presence in North America, specifically in the Canadian provinces of Ontario and Québec. Like other Sphenophorus species, it likely possesses the elongated snout typical of weevils and shares the general billbug body plan, though specific distinguishing features from congeners remain poorly documented in available literature.
Spilomena occidentalis
aphid wasp
Spilomena occidentalis is a species of solitary aphid wasp in the family Crabronidae (subfamily Pemphredoninae). It was described by R. Bohart in 1995. The species is known from North America, with records from Canada including Alberta. Like other members of its genus, it is a predator of aphids, provisioning its nests with paralyzed prey for its larvae.
Spilopteron franclemonti
Spilopteron franclemonti is a species of ichneumon wasp described by Townes in 1960. The species belongs to the large family Ichneumonidae, a diverse group of parasitoid wasps. It has been documented at limited locations in Canada, specifically in Alberta and Manitoba. The genus Spilopteron is characterized by distinctive wing venation patterns.
Spilotus quadripustulatus
Spilotus quadripustulatus is a beetle species in the family Melandryidae, a group commonly known as false darkling beetles. The species was described by Melsheimer in 1846. It is known from eastern Canada, with documented occurrences in New Brunswick, Nova Scotia, and Quebec. The specific epithet 'quadripustulatus' refers to four spots or markings, likely describing a distinctive pattern on the elytra.
Stenocranus dorsalis
Stenocranus dorsalis is a delphacid planthopper in the family Delphacidae. It is found in the Caribbean and North America, with records from Canada (Alberta, British Columbia) and the United States (Colorado, Connecticut, District of Columbia). As a member of the Delphacidae, it shares the family characteristic of a movable spur on the hind tibia.
Stenotrachelus aeneus
Brassy False Long-horned Beetle
Stenotrachelus aeneus is a species of false long-horned beetle in the family Stenotrachelidae. The species was originally described by Fabricius in 1787 under the basionym Dryops aeneus. It is known from northern regions of North America including Alberta, British Columbia, and Labrador in Canada.
Stephanocleonus parshus
Stephanocleonus parshus is a species of weevil in the family Curculionidae, described by Anderson in 1987. The genus Stephanocleonus comprises weevils characterized by a distinctive stepped or notched pronotum. This species is known from western and central Canada.
Strongylium tenuicolle
Narrow-necked Strongylium
Strongylium tenuicolle is a species of darkling beetle in the family Tenebrionidae. It occurs in eastern and central Canada, with records from Manitoba, Ontario, and Quebec. The species has been documented on iNaturalist with nearly 950 observations, indicating it is moderately well-represented in citizen science datasets. The specific epithet 'tenuicolle' refers to its narrow-necked appearance.
Sylvanelater cylindriformis
Cylindrical Click Beetle
A click beetle species in the family Elateridae, distributed across eastern Canada and the northeastern United States. Adults are nocturnal and attracted to lights. The species is characterized by its cylindrical body form, as reflected in its specific epithet.
Sylvanelater mendax
Mendax Click Beetle
A click beetle in the family Elateridae, distributed across northern and western Canada. The species is known from scattered records in Alberta, British Columbia, Newfoundland, Nova Scotia, and the Northwest Territories. Limited observational data suggests it is rarely encountered, with only five documented observations on iNaturalist.
Symphora rugosa
Symphora rugosa is a species of false darkling beetle in the family Melandryidae, first described by Haldeman in 1848. The species is recorded from eastern Canada, with documented occurrences in New Brunswick, Nova Scotia, Ontario, and Quebec. As a member of the Melandryidae, it belongs to a family of small to medium-sized beetles commonly associated with decaying wood and fungal habitats. The specific epithet 'rugosa' refers to a wrinkled or rough surface texture, likely describing some aspect of the beetle's cuticle or elytra.
Sympistis barnesii
Sympistis barnesii is a species of owlet moth in the family Noctuidae, first described by Smith in 1899. It belongs to the genus Sympistis, a group of moths characterized by their nocturnal habits and often cryptic coloration. The species has been documented in North America, with confirmed records from the Canadian provinces of Alberta and Manitoba.
Sympistis dinalda
Netted Sallow
Sympistis dinalda is a noctuid moth native to boreal and subboreal Canada. It was described in 1908 and underwent taxonomic revision in 2008, when it was elevated from subspecies status and transferred to the genus Sympistis. The species has a wingspan of 30–35 mm. It is known by the common name Netted Sallow.
Sympistis levis
Sympistis levis is a species of moth in the family Noctuidae, first described by Augustus Radcliffe Grote in 1880. It belongs to the genus Sympistis, a diverse group of noctuid moths commonly known as the "sympistis moths" or "owlet moths." The species has been recorded from western Canada, specifically Alberta and Saskatchewan. Like other members of its genus, it is likely a nocturnal adult with larvae that feed on herbaceous plants, though specific biological details remain poorly documented.
Synanthedon bolteri
Northern Willow Clearwing Moth
Synanthedon bolteri, commonly known as the Northern Willow Clearwing Moth, is a species of clearwing moth in the family Sesiidae. It occurs in the Nearctic region, with records from the Canadian provinces of Alberta, Manitoba, and Saskatchewan. Like other members of the genus Synanthedon, it is likely a wood-boring species associated with willow or related host plants, though specific biological details remain poorly documented.
Synanthedon helenis
Helenis clearwing
Synanthedon helenis is a clearwing moth in the family Sesiidae, distributed across the Canadian Prairie Provinces. The species exhibits typical sesiid characteristics including reduced wing scaling that creates a transparent, wasp-like appearance. Like many clearwing moths, it is primarily diurnal and not attracted to lights. The specific host plants and larval biology remain poorly documented.
Syngrapha montana
Labrador Tea Looper Moth, Labrador tea looper
Syngrapha montana, commonly known as the Labrador tea looper moth, is a noctuid moth distributed across boreal North America. The species exhibits a transcontinental Canadian range with southern extensions into the northern United States. Its life cycle is univoltine, with one generation annually. The larval stage is specialized, feeding exclusively on Ledum groenlandicum (Labrador tea), a wetland ericaceous shrub.
Tachinus picipes
Tachinus picipes is a species of rove beetle in the family Staphylinidae, first described by Erichson in 1839. It is distributed across eastern North America, with records from Canada and the United States. As a member of the subfamily Tachyporinae, it belongs to a group of rove beetles often associated with decaying organic matter and fungal habitats. The species epithet 'picipes' refers to the pitch-black (piceous) coloration of the legs.
Tachyporus atriceps
Tachyporus atriceps is a small rove beetle in the family Staphylinidae, subfamily Tachyporinae. It is native to Europe, North Africa, and western Asia, with introduced populations in eastern Canada. The species belongs to a genus of predatory beetles commonly found in vegetation and leaf litter. Specific ecological details for this species are sparse in available sources.
Tachys rhodeanus
Tachys rhodeanus is a species of ground beetle in the family Carabidae. It is found in North America. The species was described by Casey in 1918.
Tachytes crassus
Tachytes crassus is a species of square-headed wasp in the family Crabronidae, first described by Patton in 1880. It is one of approximately 35 North American species in the genus Tachytes, a group commonly referred to as "green-eyed wasps" due to the striking eye coloration of many species. The species is found in North America, with records from Canada including Ontario. As with other members of the genus, it is a solitary wasp that nests in soil and provisions its burrows with paralyzed orthopteran prey.
Taeniogonalos gundlachii
Taeniogonalos gundlachii is a species of hyperparasitoid wasp in the family Trigonalidae. It has been documented as a hyperparasitoid of the giant silkmoth Hyalophora cecropia. The species is recorded from eastern Canada, with observations in New Brunswick, Nova Scotia, Ontario, and Quebec. As a member of Trigonalidae, it likely exhibits the family's characteristic biology of hyperparasitism, though direct observations of its complete life history remain limited.
Tanyptera dorsalis
Antlered Crane Fly
Tanyptera dorsalis is a species of crane fly in the family Tipulidae, commonly known as the Antlered Crane Fly. Males are distinguished by prominent antler-like projections on the head. The species occurs in eastern North America, with records from Canada and the United States.
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Taxonus pallipes is a species of sawfly in the family Tenthredinidae, first described by Thomas Say in 1823. It belongs to a genus of sawflies whose larvae feed on various plant hosts. The species is recorded from eastern Canada, specifically Ontario and Quebec. Like other members of Tenthredinidae, adults are wasp-like in appearance but lack the constricted waist characteristic of true wasps.
Taxonus terminalis
White-tipped Sawfly
Taxonus terminalis is a species of common sawfly in the family Tenthredinidae, first described by Thomas Say in 1824. It is known from multiple Canadian provinces including Manitoba, New Brunswick, Nova Scotia, and Ontario. The species has been recorded in iNaturalist with 69 observations and is referred to by the common name 'White-tipped Sawfly'.
Telethusia ovalis
Telethusia ovalis is a species of moth in the family Pyralidae, subfamily Phycitinae. It was described by Packard in 1874. The species is recorded from the Canadian prairie provinces of Alberta, Manitoba, and Saskatchewan. Like other members of the genus Telethusia, it is a small moth, though specific morphological details distinguishing it from congeners are not well documented in available sources.
Temnocerus perplexus
Temnocerus perplexus is a species of leaf-rolling weevil in the family Attelabidae, described by Legalov in 2003. It belongs to a genus characterized by distinctive morphological features related to leaf manipulation behavior. The species is known from multiple Canadian provinces including Manitoba, New Brunswick, Nova Scotia, Ontario, and Prince Edward Island.
Tenebroides americanus
Tenebroides americanus is a bark-gnawing beetle in the family Trogossitidae. The species occurs in eastern Canada, with confirmed records from Ontario and Québec. As a member of Trogossitidae, it belongs to a family of predatory beetles often associated with bark and wood habitats. The specific biology and ecology of this species remain poorly documented.
Tenthredo leucostoma
Tenthredo leucostoma is a sawfly species in the family Tenthredinidae. Like other members of the genus Tenthredo, adults lack the narrow "wasp waist" characteristic of many Hymenoptera, with the abdomen broadly attached to the thorax. Females possess a saw-like ovipositor used to insert eggs into plant tissues. The species has been recorded in Canada, specifically from Alberta, Manitoba, New Brunswick, and Nova Scotia.
Tenuiphantes zelatus
Tenuiphantes zelatus is a small sheetweb spider species in the family Linyphiidae, originally described by Zorsch in 1937. It is known from scattered records across northern North America, particularly in western and central Canada. Like other members of its family, it constructs flat, horizontal sheet webs for prey capture. The species remains poorly documented in scientific literature beyond basic taxonomic and distributional records.