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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.
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.
Calligrapha amator
Ontario Calligrapha
Calligrapha amator, commonly known as the Ontario Calligrapha, is a leaf beetle species in the family Chrysomelidae. It was described by W.J. Brown in 1945. The species is found in North America, with confirmed records from Ontario and Québec in Canada.
Calligrapha apicalis
Calligrapha apicalis is a leaf beetle species in the family Chrysomelidae, described by Notman in 1919. It is native to North America, with confirmed records from Ontario and Québec in Canada. Like other members of the genus Calligrapha, it likely exhibits the characteristic dome-like body shape and patterned elytra typical of this group.
Caloptilia canadensisella
Caloptilia canadensisella is a leaf-mining moth in the family Gracillariidae. It is known from eastern Canada, specifically Nova Scotia and Québec. The larvae feed on Cornus canadensis (bunchberry), creating mines in the leaves of this host plant. The species was described by James Halliday McDunnough in 1956.
Celina hubbelli
Hubbell's Predaceous Diving Beetle
Celina hubbelli is a species of predaceous diving beetle in the family Dytiscidae, described by Young in 1979. It is found in North America, with confirmed records from Ontario and Québec in Canada. The species is named in honor of the entomologist. As a member of the genus Celina, it belongs to the tribe Methlini within the subfamily Hydroporinae.
Corythucha juglandis
Walnut Lace Bug
Corythucha juglandis, the walnut lace bug, is a univoltine or bivoltine lace bug (Hemiptera: Tingidae) native to North America and specialized on walnut (Juglans) host plants. Adults overwinter in leaf litter and become active in April or May, synchronizing with host leaf phenology. The species aggregates on the undersides of leaflets for feeding and reproduction. Both adults and nymphs are gregarious. It has been studied in Ontario, Québec, Canada, and southern Illinois, USA, with some geographic variation in voltinism reported.
Cryptocephalus striatulus
Narrow-headed Cryptocephalus
Cryptocephalus striatulus is a species of case-bearing leaf beetle in the family Chrysomelidae. It is found in North America, with records from Québec, Canada. The species was described by LeConte in 1880. As a member of the genus Cryptocephalus, it likely exhibits the characteristic behavior of larvae that construct and carry protective cases from fecal material and shed exuviae.
Ditemnus bidentatus
Ditemnus bidentatus is a species of soldier beetle in the family Cantharidae, first described by Thomas Say in 1825. The species is documented from eastern North America, with confirmed records from Québec, Canada. Like other Cantharidae, it likely inhabits vegetation in forested or edge habitats where adults are active during warmer months. The genus Ditemnus is a small group within the soldier beetles, and D. bidentatus represents one of the few described species in this genus.
Dromaeolus badius
Dromaeolus badius is a species of click beetle in the family Eucnemidae. The species was described by Melsheimer in 1845. It has been recorded in the Canadian provinces of Ontario and Québec. As a member of Eucnemidae, it belongs to a group of beetles commonly known as false click beetles, which are typically associated with decaying wood and forest habitats.
Empoasca fabae
potato leafhopper
Empoasca fabae, commonly known as the potato leafhopper, is a small, lime-green leafhopper native to North America and a significant agricultural pest. It migrates northward annually from Gulf States to the Midwest and eastern United States, causing damage to over 200 plant species. The species feeds on plant sap and injects a toxin that causes 'hopperburn'—characteristic drying, curling, and rotting of plant tissues. Climate warming has been linked to earlier arrival dates (approximately 10 days earlier than in the 1950s) and more severe infestations in warmer years. It completes one to two generations per year in northern regions like Québec, with population peaks occurring in June-July.
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.
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.
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.
Habrophlebia vibrans
pronggilled mayfly
A small stream-dwelling mayfly with a 2-year life cycle, notable for its extended development compared to most mayflies. Adults emerge synchronously in June. Nymphs inhabit gravel substrates and show distinct drift patterns across life stages. The species has been studied in Québec populations, where it reaches final sizes of approximately 5 mm before emergence.
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.
Hebestola pullata
Hebestola pullata is a longhorn beetle (family Cerambycidae) in the subfamily Lamiinae. The species was described by Haldeman in 1847 and is currently considered valid, though it has been treated as a synonym of Hebestola nebulosa in some taxonomic databases. It is known from eastern North America, with records from Ontario and Québec in Canada.
Hexarthrum ulkei
eastern wood weevil
Hexarthrum ulkei, commonly known as the eastern wood weevil, is a species of true weevil in the beetle family Curculionidae. It occurs in North America, with records from Ontario and Québec in Canada. The species has been documented with unusual host associations that expand its known ecological range beyond previously understood limits. As a member of the tribe Hexarthrini, it possesses the characteristic elongated rostrum typical of weevils.
Hylobius radicis
Pine Root Collar Weevil
Hylobius radicis is a pine weevil in the family Curculionidae, described by Buchanan in 1935. Adults serve as hosts for the endoparasitic wasp Microctonus pachylobii, with field studies documenting parasitism rates of 8.5%. Parasite loads show seasonal variation, with higher rates observed in April–June compared to August–September.
Hymenochara rufipes
Hymenochara rufipes is a species of darkling beetle in the family Tenebrionidae, described by John Lawrence LeConte in 1824. The specific epithet "rufipes" refers to reddish legs, a common diagnostic trait in this species. As a member of Tenebrionidae, it belongs to one of the largest beetle families, with members typically associated with dry habitats and often exhibiting nocturnal behavior. The species is documented from eastern Canada, specifically Ontario and Québec.
Longitarsus turbatus
Longitarsus turbatus is a flea beetle species in the family Chrysomelidae, first described by Horn in 1889. Records indicate presence in the Canadian provinces of Ontario and Québec. As a member of the genus Longitarsus, it possesses enlarged hind femora adapted for jumping. Specific ecological details remain poorly documented.
Lyctus opaculus
powder-post beetle
Lyctus opaculus is a powder-post beetle in the family Bostrichidae. It occurs in North America, with records from Canada (Ontario and Québec) and the United States. The species belongs to a genus whose members are known for infesting seasoned hardwoods.
Melanotus hyslopi
Melanotus hyslopi is a click beetle species (family Elateridae) described by Van Zwaluwenburg in 1921. The species is recorded from Ontario and Québec, Canada. Like other members of the genus Melanotus, the larvae are wireworms—soil-dwelling pests of agricultural crops. The species is poorly known compared to its congener Melanotus communis, which has been studied extensively as a corn wireworm pest.
Melanotus miscellus
Melanotus miscellus is a species of click beetle in the family Elateridae, described by Quate in 1967. It belongs to a genus containing several agricultural pest species whose larvae are known as wireworms. The species is recorded from Ontario and Québec, Canada. Specific ecological and biological details for M. miscellus remain poorly documented in the available literature.
Melanotus morosus
Melanotus morosus is a species of click beetle (family Elateridae) described by Candèze in 1860. It belongs to a genus containing agricultural pest species, though specific information about this particular species is limited. The genus Melanotus includes several economically important wireworm species whose larvae damage crop roots.
Microhyus setiger
Microhyus setiger is a species of weevil in the family Curculionidae, first described by LeConte in 1876. This small beetle belongs to a genus of weevils whose biology and ecology remain poorly documented in scientific literature. Distribution records indicate presence in eastern North America, specifically in the Canadian provinces of Ontario and Québec.
Microrhagus audax
Microrhagus audax is a species of false click beetle in the family Eucnemidae, described by Horn in 1886. The species belongs to a family of wood-boring beetles whose larvae develop in decaying wood and are associated with forest ecosystems. Very little specific information is available for this particular species, with most knowledge inferred from family-level characteristics.
Neotibicen canicularis
dog-day cicada, dog-day harvestfly, heatbug, Northern Dog-day Cicada
Neotibicen canicularis is an annual cicada species found across much of North America, commonly known as the dog-day cicada or dog-day harvestfly. Unlike periodical cicadas that emerge in synchronized broods every 13 or 17 years, this species appears every summer, though individuals require several years to develop underground. Adults are active during the hot midsummer period traditionally called the "dog days." The species has been documented as a host for multiple flesh fly parasitoids in the family Sarcophagidae, including several first-record associations.
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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.
Ochlerotatus pullatus
Ochlerotatus pullatus is a boreoalpine mosquito species with a discontinuous Holarctic distribution. In eastern North America, it has been recorded from alpine and subalpine habitats, with a notable range extension documented in the Chic-Chocs mountains of eastern Québec. The species develops in temporary snowmelt pools at elevations around 1000 m, where it can be locally dominant. Its presence in disjunct mountain populations has been discussed in relation to postglacial dispersal patterns.
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.
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.
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.
Pelenomus gracilipes
Pelenomus gracilipes is a species of weevil in the family Curculionidae, described by Dietz in 1896. It is provisionally accepted in taxonomic databases and has been recorded from Québec, Canada. As a member of the large and diverse weevil family, it likely exhibits the characteristic elongated snout (rostrum) typical of Curculionidae, though specific morphological details remain poorly documented in accessible literature.
Phloiotrya concolor
Uniform False Darkling Beetle
Phloiotrya concolor is a species of false darkling beetle in the family Melandryidae, first described by LeConte in 1866. The species epithet 'concolor' refers to its uniform coloration. It is one of relatively few species in the genus Phloiotrya, which belongs to a family of beetles commonly associated with decaying wood and fungal habitats.
Plateumaris diversa
Plateumaris diversa is a species of leaf beetle in the family Chrysomelidae, subfamily Donaciinae. The species was described by C. Schaeffer in 1925. It is one of numerous Plateumaris species associated with wetland habitats, particularly those supporting emergent vegetation. Records indicate presence in central and eastern Canada, with observations from Manitoba, Ontario, and Québec.
Platydema subcostata
Platydema subcostata is a darkling beetle (Tenebrionidae) first described by Laporte. It belongs to a genus of small to medium-sized beetles characterized by flattened bodies. The species is known from a limited number of observations in eastern Canada.
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.