British-columbia
Guides
Ribautiana tenerrima
Bramble Leafhopper
Ribautiana tenerrima, commonly known as the Bramble Leafhopper, is a European leafhopper species that has become an established agricultural pest in western North America. Both nymphs and adults feed on phloem sap from cane fruit leaves, causing distinctive white stippling damage. Severe infestations during dry seasons result in leaf curling, reduced cane vigor, and diminished fruit size. The species was first documented in North America in 1947 near Victoria, British Columbia, and has since spread to southern Vancouver Island and the lower Fraser Valley.
Rosenus decurvus
Rosenus decurvus is a species of leafhopper in the family Cicadellidae, subfamily Deltocephalinae, described from British Columbia in 1975. As a member of the tribe Paralimnini, it belongs to a group of grass-associated leafhoppers. The species is known from limited collection records and its specific biology remains poorly documented.
Sanfilippodytes edwardsi
Sanfilippodytes edwardsi is a predaceous diving beetle in the family Dytiscidae, first described by Wallis in 1933. The species is endemic to western North America, with records from Alberta and British Columbia in Canada. As a member of the subfamily Hydroporinae, it inhabits freshwater aquatic environments where it preys on small invertebrates.
Sanfilippodytes pacificus
Sanfilippodytes pacificus is a predaceous diving beetle in the family Dytiscidae. The species was described by Fall in 1923 and is known from western North America, including Alaska and British Columbia. Like other members of Dytiscidae, it is an aquatic predator.
Sanfilippodytes terminalis
Sanfilippodytes terminalis is a species of predaceous diving beetle in the family Dytiscidae, first described by Sharp in 1882. It is one of several species in the genus Sanfilippodytes, a group of small diving beetles within the subfamily Hydroporinae. The species is known from North America, with records from British Columbia, Canada. Like other members of its family, it is adapted to aquatic habitats.
Scolytus unispinosus
Douglas-fir engraver
Scolytus unispinosus, the Douglas-fir engraver, is a bark beetle native to western North America. It acts primarily as a secondary insect, colonizing the tops, limbs, and branches of Douglas-fir trees that have been killed or weakened by other factors. While it occasionally kills young trees, it is generally of minor economic importance and commonly attacks logging slash. In British Columbia's interior, it frequently occurs in association with the Douglas-fir beetle (Dendroctonus pseudotsugae).
Scymnus calaveras
Scymnus calaveras is a small lady beetle species in the family Coccinellidae, described by Thomas L. Casey in 1899. The species epithet refers to Calaveras County, California, suggesting a type locality in the Sierra Nevada foothills region. As a member of the genus Scymnus, it likely belongs to the subfamily Scymninae, a group of minute lady beetles often associated with scale insect prey. Published records indicate presence in western North America including British Columbia, Canada, and California, USA.
Scymnus caurinus
northwestern lady beetle
Scymnus caurinus, commonly known as the northwestern lady beetle, is a species of dusky lady beetle in the family Coccinellidae. It is a small predatory beetle native to western North America, with records from the Canadian provinces of Alberta, British Columbia, and Saskatchewan. As a member of the genus Scymnus, it belongs to a group of lady beetles generally associated with aphid predation, though specific prey relationships for this species remain poorly documented. The species was described by Horn in 1895.
Selatosomus carbo
Selatosomus carbo is a click beetle species in the family Elateridae, first described by John Lawrence LeConte in 1853. The species is known from limited distributional records in western North America, specifically British Columbia, Canada. As a member of the genus Selatosomus, it belongs to a group of elaterid beetles commonly known as click beetles, characterized by their ability to right themselves using a prosternal process that engages with a mesosternal groove.
Selatosomus lateralis
Selatosomus lateralis is a species of click beetle in the family Elateridae, first described by LeConte in 1853. It is distributed in western North America, with confirmed records from British Columbia, Canada. The genus Selatosomus belongs to the diverse click beetle family, characterized by their ability to right themselves using a prosternal process that engages with a mesosternal groove.
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.
Silis spinigera
Silis spinigera is a species of soldier beetle in the family Cantharidae, first described by John Lawrence LeConte in 1874. The species is recorded from North America, with confirmed observations from British Columbia, Canada. Soldier beetles in this family are generally soft-bodied and often found on flowers and foliage.
Sphalma quadricollis
Sphalma quadricollis is a beetle species in the family Pythidae, described by Horn in 1872. The species is known from North America, with records from British Columbia, Canada. The genus Sphalma belongs to a small family of beetles formerly classified within Tenebrionidae but now recognized as distinct. Very little published natural history information exists for this species.
Steniolia obliqua
Steniolia obliqua is a species of sand wasp in the family Crabronidae, originally described as Monedula obliqua by Cresson in 1865. It belongs to a genus of fourteen North American species, all with western distributions. Like other Steniolia species, it is a solitary wasp that hunts flies to provision underground nests for its larvae. The species has been recorded in British Columbia, Canada.
Sympistis columbia
Sympistis columbia is a noctuid moth described by James Halliday McDunnough in 1922. The species was transferred from the genus Oncocnemis to Sympistis in 2008 based on phylogenetic revision. It is known from a limited number of observations in western North America, with confirmed records in British Columbia, Canada.
Taracus carmanah
Taracus carmanah is a species of harvestman (Opiliones: Ischyropsalidoidea: Taracidae) described in 2016 from Vancouver Island, British Columbia. The species name refers to Carmanah Walbran Provincial Park, a protected old-growth forest area on southwestern Vancouver Island. It was described as part of a comprehensive taxonomic revision of the genus Taracus, which included redescription of all previously named species and description of eight new species across western North America.
Tenebroides crassicornis
A species of bark-gnawing beetle in the family Trogossitidae, described by Horn in 1862. Known from limited observations in western North America, with confirmed records from British Columbia. As with other members of Trogossitidae, this species is likely associated with decaying wood and fungal communities.
Tetropium abietis
Round-headed Fir Borer
Tetropium abietis is a longhorn beetle species in the family Cerambycidae, described by Fall in 1912. The common name "Round-headed Fir Borer" suggests an association with fir trees (genus Abies). It is a North American species with distribution records from Canada (British Columbia) and the United States. Like other members of the genus Tetropium, it is likely a wood-boring beetle whose larvae develop in coniferous trees.
Timarcha intricata
Intricate Leaf Beetle
Timarcha intricata is a species of leaf beetle in the family Chrysomelidae, first described by Haldeman in 1853. It is found in North America, with distribution records from Canada (Alberta and British Columbia) and the United States. The species is commonly known as the Intricate Leaf Beetle. Like other members of the genus Timarcha, it belongs to a group of leaf beetles that are primarily associated with feeding on plant foliage.
Trachykele blondeli
western cedar borer, powder worm beetle, western red cedar borer
Trachykele blondeli is a metallic wood-boring beetle in the family Buprestidae, known by common names including western cedar borer and powder worm beetle. Studies conducted in British Columbia from 1926–1930 documented its biology using caged red cedar trees to track larval development and adult emergence. The species is associated with Thuja plicata (western red cedar) as its primary host.
Trachykele blondeli blondeli
Trachykele blondeli blondeli is a subspecies of jewel beetle (family Buprestidae) native to western North America. Studies conducted in the 1920s at Pender Harbour, British Columbia, documented its association with red cedar (Thuja plicata), with larvae developing within the wood of living or recently dead trees. The species is among the few Buprestidae for which detailed life history investigations have been attempted, though much remains unknown about its biology.
Trachykele nimbosa
nimbose buprestid
Trachykele nimbosa, known as the nimbose buprestid, is a species of metallic wood-boring beetle in the family Buprestidae. The species was described by Fall in 1906. It is distributed in North America, with records from British Columbia, Canada. The genus Trachykele belongs to the subtribe Trachykelina within the tribe Buprestini.
Treptoplatypus wilsoni
Treptoplatypus wilsoni is a species of weevil in the family Curculionidae, described by Bright and Skidmore in 2002. The species belongs to the genus Treptoplatypus, which comprises ambrosia beetles that typically cultivate fungal symbionts in wood galleries. Based on the taxonomic placement and known biology of related species in this genus, T. wilsoni is likely associated with woody substrates, though specific ecological details remain poorly documented. The species has been recorded from British Columbia, Canada.
Tribolium brevicorne
Tribolium brevicorne is a species of darkling beetle in the family Tenebrionidae. It is one of approximately 20 species in the genus Tribolium, which includes several well-known stored product pests. Unlike its more notorious congeners T. castaneum (red flour beetle) and T. confusum (confused flour beetle), T. brevicorne has received limited scientific study. The species has been documented in western North America, with records from British Columbia, Canada.
Trichalophus alternatus
Trichalophus alternatus is a species of broad-nosed weevil in the family Curculionidae, first described by Say in 1831. It is a member of the subfamily Entiminae, which comprises the so-called 'true' weevils characterized by their elongated snouts. The species has been documented across western North America from Alaska to Colorado.
Tricholochmaea cavicollis
Cherry leaf beetle
Tricholochmaea cavicollis, known as the cherry leaf beetle, is a skeletonizing leaf beetle in the family Chrysomelidae. The species occurs across North America, with records from western and central Canadian provinces including Alberta, British Columbia, and Manitoba. As a member of the skeletonizing leaf beetle group, it feeds on leaf tissue between veins.
Triplax cuneata
Triplax cuneata is a species of pleasing fungus beetle in the family Erotylidae, described by Boyle in 1954. The genus Triplax comprises small beetles associated with fungi, particularly mushrooms and polypores. T. cuneata has been recorded from western North America including the Canadian provinces of Alberta and British Columbia. Like other members of its genus, it likely inhabits fungal fruiting bodies where it feeds and reproduces.
Tritoxa decipiens
Tritoxa decipiens is a species of picture-winged fly in the family Ulidiidae, described in 2021 from a type locality near Smithers, British Columbia. It is one of seven recognized species in the Nearctic genus Tritoxa, including two species newly described in the same revision. The species can be differentiated from congeners by wing patterns, though examination of male genitalia is required for confident identification of certain sympatric species.
Trixagus sericeus
Silken Throscid Beetle
Trixagus sericeus is a small beetle in the family Throscidae, commonly known as the Silken Throscid Beetle. The species was described by LeConte in 1868 and occurs in North America, with records from British Columbia and other regions. Like other throscid beetles, it belongs to a group of small, often overlooked beetles associated with decaying wood and fungal habitats. The specific epithet 'sericeus' refers to the silky appearance of the integument.
Trypoxylon tridentatum archboldi
Trypoxylon tridentatum archboldi is a subspecies of spider-hunting wasp in the family Crabronidae. As a member of the subgenus Trypargilum, it belongs to a group of medium-sized to large Trypoxylon species that nest in pre-existing cavities rather than constructing free-standing mud nests. The species was described by Krombein in 1959 and is known from North America, with records from British Columbia, Canada. Like other Trypargilum species, it likely exhibits cooperative nesting behavior with males participating in nest guarding and maintenance, though specific behavioral documentation for this subspecies is limited.
Trypoxylon tridentatum tridentatum
Trypoxylon tridentatum tridentatum is a spider-hunting wasp in the family Crabronidae, subgenus Trypargilum. It occurs in mesic and xeric habitats of the arid Baja California peninsula and has been documented in British Columbia, Canada. This subspecies provisions nest cells with paralyzed spiders, with Araneidae comprising the majority of prey.
Tychius tectus
leguminous seed weevil
Tychius tectus is a species of leguminous seed weevil in the family Curculionidae, first described by LeConte in 1876 from North America. The species has been recorded from both North America and China, representing a transcontinental distribution pattern within the Holarctic region. As a member of the genus Tychius, it belongs to a group of weevils specialized on leguminous plants (Fabaceae). No specific biological or ecological studies have been published for this species.
Unoka dramatica
Unoka dramatica is a species of leafhopper in the family Cicadellidae, first described by Hamilton in 2002. It belongs to the subfamily Deltocephalinae, a diverse group of leafhoppers commonly found in North America. The species is known from limited distribution records in British Columbia, Canada. As with many recently described leafhopper species, detailed information about its biology, ecology, and behavior remains sparse in the published literature.
Vacusus nigritulus
Vacusus nigritulus is a species of antlike flower beetle in the family Anthicidae. It was described by LeConte in 1851. The species is found in North America, with records from British Columbia, Canada.
Xenochodaeus luscinus
Xenochodaeus luscinus is a species of sand-loving scarab beetle in the family Ochodaeidae. It was described by Howden in 1968. The species is known from western Canada, specifically Alberta and British Columbia. Like other members of its family, it is associated with sandy habitats.
Xylotrechus lengi
Xylotrechus lengi is a species of longhorn beetle in the family Cerambycidae, described by Schaeffer in 1908. It belongs to the tribe Clytini, a group known for wood-boring larvae. The species is native to western North America, with records from British Columbia and the western United States. Very little is documented about its biology or ecology.