North-american
Guides
Achatia
Quaker moths
Achatia is a genus of owlet moths in the family Noctuidae, commonly known as Quaker moths. The genus contains approximately 16 described species distributed primarily in North America. Species within this genus are typically spring-flying nocturnal moths attracted to light. The caterpillars are generalist feeders on deciduous trees and shrubs.
Acilius abbreviatus
Abbreviated Predaceous Diving Beetle
Acilius abbreviatus is a predaceous diving beetle in the family Dytiscidae. It is found in North America, with records from Alberta and British Columbia in Canada. As a member of the genus Acilius, it is an aquatic predator inhabiting freshwater environments.
Acleris cervinana
Acleris cervinana is a small tortricid moth native to North America, with a wingspan of 15–17 mm. Adults are active nearly year-round across a broad geographic range. The larvae feed on specific woody plants including yellow birch, hazel, and alder species.
Acleris inana
Acleris inana is a tortricid moth native to North America. The species is characterized by a wingspan of approximately 19 mm and exhibits a bimodal adult flight period with records from February and August through September. Larvae are known to feed on woody plants in the genera Alnus, Betula, and Corylus.
Acleris ptychogrammos
A small tortricid moth with a wingspan of approximately 15 mm. Adults have been recorded on wing nearly year-round in southern parts of its range. The larval host plant is red osier dogwood (Cornus sericea).
Acrobasis blanchardorum
Acrobasis blanchardorum is a species of snout moth (family Pyralidae) described by Herbert H. Neunzig in 1973. It is known from North America, with Texas as the type locality. The larvae feed on Quercus species, including Quercus grisea.
Aethes matheri
Aethes matheri is a small tortricid moth native to the United States. It was described in 2002 and named in honor of Bryant Mather. The species exhibits a broad latitudinal distribution with corresponding variation in its life cycle timing.
Agabus ajax
Agabus ajax is a predaceous diving beetle in the family Dytiscidae. The species was described by Fall in 1922. It is known from North America, with records from Alberta and British Columbia in Canada. As a member of Agabus, it is an aquatic predator.
Agonum palustre
Agonum palustre is a species of ground beetle in the family Carabidae, first described by Goulet in 1969. It is native to North America. As a member of the genus Agonum, it belongs to a diverse group of carabid beetles commonly associated with moist or wetland habitats. The specific epithet "palustre" (Latin for "of marshes") suggests an association with marshy or wetland environments.
Allocosa sublata
Allocosa sublata is a species of wolf spider in the family Lycosidae, first described by Montgomery in 1902. It is a ground-dwelling spider known from the United States. Very few observations exist in public databases, with only five records on iNaturalist as of the latest data. The genus Allocosa contains multiple North American species, many of which occupy similar terrestrial habitats.
Alysson guignardi
Alysson guignardi is a species of solitary wasp in the family Crabronidae, subfamily Bembicinae. It was described by Provancher in 1887 and occurs in North America, with records from Canada including Manitoba. The species belongs to the tribe Alyssontini, which comprises small to medium-sized digger wasps.
Ancylandrena koebelei
Ancylandrena koebelei is a solitary bee species in the family Andrenidae, originally described as Megandrena koebelei by Timberlake in 1951. It is currently placed in the genus Ancylandrena, a group of mining bees found in North America. The species is poorly known in the literature, with limited published information on its biology and ecology.
Ancylis divisana
Two-toned Ancylis Moth
Ancylis divisana, the two-toned ancylis moth, is a small tortricid moth with a wingspan of 10–13 mm. It is broadly distributed across eastern and central North America, with records from 21 U.S. states and two Canadian provinces. Adults are active from March through October, and larvae feed on several hardwood tree species including oaks, chestnut, hornbeam, and sycamore.
Anicla biformata
Anicla biformata is a species of cutworm or dart moth in the family Noctuidae, first described by Lafontaine in 2004. It is native to North America and is attracted to blacklight, a common sampling method for noctuid moths. The species is part of a genus of owlet moths that are typically nocturnal and active during cooler months.
Anisostena nigrita
black tortoise beetle
Anisostena nigrita, commonly known as the black tortoise beetle, is a leaf beetle in the family Chrysomelidae. It has been recorded across a broad geographic range in North America, from Canada to the southern United States. The species has been observed feeding on grasses in the genus Andropogon and Schizachyrium scoparium. It belongs to the tortoise beetle subfamily Cassidinae, characterized by a body form adapted for clinging to leaf surfaces.
Anthaxia aenescens
Anthaxia aenescens is a species of metallic wood-boring beetle in the family Buprestidae. The species was described by Casey in 1884. It is distributed in North America.
Anthonaeus agavensis
Anthonaeus agavensis is a small beetle in the family Kateretidae, a group of sap beetles. It was described by Crotch in 1874. The species is associated with agave plants, as indicated by its specific epithet. Very few observations exist, with only 7 records on iNaturalist.
Anthophylax attenuatus
Mottled Longhorned Beetle
Anthophylax attenuatus is a long-horned beetle in the subfamily Lepturinae, commonly known as the Mottled Longhorned Beetle. Adults have been documented feeding on sugar maple, American beech, and hophornbeam. The species occurs across eastern North America from Canada through the United States. Like other members of the Oxymirini tribe, it is associated with hardwood trees.
Aproaerema palpilineella
Aproaerema palpilineella is a small moth in the family Gelechiidae, described by V.T. Chambers in 1875. It occurs across eastern and central North America from Ontario and Quebec south to Texas and Louisiana. The species was formerly classified in the genus Syncopacma. Larvae feed on leguminous plants including clovers and crown vetch.
Archips strianus
striated tortrix moth, striated leafroller
Archips strianus, commonly known as the striated tortrix moth or striated leafroller, is a leafroller moth in the family Tortricidae. It is native to North America, with records from Canada and the northern United States. The species is associated with coniferous hosts, particularly spruce species.
Arctobyrrhus subcanus
Arctic Grey Pill Beetle
Arctobyrrhus subcanus is a species of pill beetle in the family Byrrhidae, commonly known as the Arctic Grey Pill Beetle. It is native to North America with documented records from western Canada including Alberta and British Columbia. Pill beetles in this family are characterized by their ability to conglobate—roll into a tight ball when disturbed. The genus Arctobyrrhus is associated with northern and montane habitats.
Arhyssus nigristernum
Arhyssus nigristernum is a species of scentless plant bug in the family Rhopalidae. It is distributed across North America, with confirmed records from Ontario and Québec in Canada. As a member of the Rhopalidae, it lacks the scent glands typical of many true bugs. The species was first described by Signoret in 1859.
Arthmius bulbifer
Arthmius bulbifer is a species of ant-loving beetle in the rove beetle family Staphylinidae, described by Thomas L. Casey in 1893. The species belongs to the subfamily Pselaphinae, a group of small beetles commonly associated with ant colonies. It is known from scattered records across the south-central United States.
Batrisodes frontalis
Batrisodes frontalis is a species of ant-loving beetle in the family Staphylinidae, first described by LeConte in 1849. It is distributed across northern North America, with records from Canada and the northern United States. Like other members of its genus, it is associated with ant colonies, though specific ecological details remain poorly documented. The species is one of several in the genus Batrisodes found in North America.
Beerellus
Beerellus is a monotypic genus of jewel beetles (family Buprestidae) containing a single described species, Beerellus taxodii. The genus was established by Nelson in 1982 and is classified within the subfamily Polycestinae. Very little is known about this genus beyond its taxonomic placement and the description of its sole species.
Brachys aeruginosus
Brachys aeruginosus is a small metallic wood-boring beetle in the family Buprestidae, first described by Gory in 1841. It belongs to the tribe Trachyini, a group characterized by flattened, compact, wedge-shaped adults whose larvae mine within leaves rather than boring through wood. The species is uncommonly encountered compared to congeners and is most often associated with oaks. It is found in North America, with records from Canada (Manitoba, Ontario, Québec) and the United States.
Cactopinus
Cactopinus is a genus of bark beetles in the family Curculionidae, established by Schwarz in 1899. The genus contains over 20 described species, with distributions primarily in arid regions of southwestern North America including California and Mexico. Species in this genus are associated with cactus hosts, as indicated by the genus name. Two species, C. cactophthorus and C. mexicanus, were reclassified to the new genus Cactopinorus.
Caenocara scymnoides
Cub Puffball Beetle
Caenocara scymnoides is a small anobiine beetle in the family Ptinidae (formerly placed in Anobiidae), known by the common name Cub Puffball Beetle. It occurs in North America, with records from western Canadian provinces including Alberta, British Columbia, and Manitoba. The species is rarely collected, with only two observations documented on iNaturalist.
Canistes schusteri
Canistes schusteri is a species of weevil in the family Curculionidae, described by Casey in 1892. It belongs to a genus of small weevils with limited published documentation. The species is known from North America based on museum records and sparse observation data. Available information is minimal, with only four observations recorded in community science databases.
Catastega
Catastega is a genus of tortricid moths established by Clemens in 1861. The genus contains nine described species, most of which were described by Brown in 1992. The two earliest described species, C. aceriella and C. timidella, were both named by Clemens in 1861. The genus belongs to the subfamily Olethreutinae and tribe Eucosmini within the leafroller moth family Tortricidae.
Catogenus rufus
Eastern Flat Passandrid
Catogenus rufus is a species of parasitic flat bark beetle in the family Passandridae. The species was described by Fabricius in 1792. It is found in North America, with distribution records including Canada (Ontario) and the United States. The common name "Eastern Flat Passandrid" reflects its geographic concentration in eastern North America. Members of Passandridae are known for their flattened body form and parasitic or commensal relationships with wood-boring beetles.
Cerotainiops
Cerotainiops is a small genus of robber flies established by Curran in 1930. The genus comprises approximately six described species distributed in North America. As members of the family Asilidae, these predatory flies hunt other insects in flight. The genus has received limited taxonomic study beyond original species descriptions.
Ceuthophilus paucispinosus
huachuca camel cricket
Ceuthophilus paucispinosus, known as the huachuca camel cricket, is a species of camel cricket in the family Rhaphidophoridae. It is a wingless, humpbacked insect with exceptionally long antennae, typical of the genus Ceuthophilus. The species has been documented in Arizona and is part of the diverse North American camel cricket fauna comprising roughly 90 species in this genus.
Ceutorhynchus medialis
Ceutorhynchus medialis is a species of minute seed weevil in the beetle family Curculionidae, described by LeConte in 1876. It is a small weevil species found in North America, with confirmed records from Ontario and Québec in Canada. The species belongs to a large genus of weevils associated with seed feeding, though specific biological details remain poorly documented.
Chalcosyrphus vecors
Orange-hipped Leafwalker
Chalcosyrphus vecors, commonly known as the Orange-hipped Leafwalker, is a species of syrphid fly (family Syrphidae) found throughout North America. It belongs to the subgenus Xylotomima and was originally described by Osten Sacken in 1875. Like other members of its genus, this species is associated with dead and decaying wood, where its larvae develop as saprophages.
Chanbria rectus
windscorpion, sun spider
Chanbria rectus is a species of solifuge (windscorpion or sun spider) in the family Eremobatidae, described by Muma in 1962. As a member of the order Solifugae, it is an arachnid characterized by large, powerful chelicerae and rapid movement. The species occurs in North America and is placed in the subfamily Therobatinae. Like other eremobatids, it is a fast-moving, primarily nocturnal predator adapted to arid and semi-arid environments.
Chrysomela mainensis
Maine Leaf Beetle
Chrysomela mainensis is a leaf beetle species in the family Chrysomelidae, described by Bechyné in 1954. The species is found in North America, with observations recorded primarily from the northern United States and Canada. It belongs to a genus of leaf beetles that are typically associated with willow hosts. Three subspecies have been described: C. m. mainensis, C. m. interna, and C. m. littorea.
Coleomyia
Coleomyia is a genus of robber flies in the family Asilidae, established by Wilcox & Martin in 1935. The genus contains eight described species, all found in North America. These predatory flies are part of a diverse family known for their aggressive hunting behavior.
Coleotechnites atrupictella
Spruce Micromoth
A small gelechiid moth with a wingspan of 9–10 mm, recognized by its distinctive blackish forewing fasciae. The larvae are folivores on conifers, feeding on spruce, pine, hemlock, Douglas-fir, and subalpine fir. The species is univoltine, with adults active from April to September and larvae present in June and July. It overwinters as an egg.
Coleotechnites florae
Coleotechnites Flower Moth
Coleotechnites florae is a small moth in the family Gelechiidae, described by Freeman in 1960. It occurs across much of North America, with records spanning from western Canada through the eastern and southern United States. The species is associated with coniferous habitats, and its larvae feed on Pinus contorta (lodgepole pine).
Colphepeira
A monotypic genus of orb-weaver spiders (Araneidae) established by Allan Frost Archer in 1941. The sole species, Colphepeira catawba, is restricted to the southern United States and Mexico. The genus is rarely encountered, with few observations documented.
Colposternus tenuilineatus
Colposternus tenuilineatus is a small beetle species in the family Ptinidae (formerly included in Anobiidae), described by Horn in 1894. The genus Colposternus contains North American species associated with wood-boring habits. This species is poorly documented in modern literature and has no verified observations in major biodiversity databases.
Coptotriche malifoliella
Appleleaf Trumpet Miner
A small moth in the family Tischeriidae known for its distinctive larval leaf-mining behavior on apple and hawthorn. The species was described from North America in 1860 and is recognized by the common name Appleleaf Trumpet Miner, referring to the trumpet-shaped mines created by larvae.
Cosmopterix montisella
Cosmopterix montisella is a small moth in the family Cosmopterigidae, characterized by distinctive metallic bronze-brown forewings with complex white streaks and orange-brown transverse fasciae. Adults have forewings 5.1–6.5 mm in length. The species exhibits geographic variation in voltinism: univoltine across most of its range with adults active June through September, but bivoltine in southern Arizona with additional late September emergence.
Crambodes
Crambodes is a monotypic genus of noctuid moths containing a single species, Crambodes talidiformis. The genus was established by Achille Guenée in 1852. The sole species occurs in the eastern and central United States.
Crocigrapha
Crocigrapha is a monotypic genus of moths in the family Noctuidae, established by Grote in 1875. The sole species, Crocigrapha normani (Norman's quaker), occurs primarily in eastern North America with scattered records west to Alberta and Colorado. The genus belongs to the subfamily Noctuinae, the largest group within the owlet moths.
Cryptachaea rupicola
Cryptachaea rupicola is a cobweb spider in the family Theridiidae, first described by Emerton in 1882. The species occurs in the United States and Canada. As a member of Theridiidae, it constructs irregular, three-dimensional webs. Very little detailed information about its biology, ecology, or specific habitat requirements has been documented.
Decarthron abnorme
ant eating beetle
Decarthron abnorme is a rove beetle (Staphylinidae) described by J.L. LeConte in 1849. It is known for its association with ants, earning it the common name 'ant eating beetle'. The species has been recorded across much of Canada and the northern and eastern United States. Despite its broad distribution, it remains poorly documented in the literature, with only a single observation in iNaturalist suggesting it is rarely encountered or underreported.
Dendrocoris pini
Dendrocoris pini is a species of stink bug in the family Pentatomidae, described by Montandon in 1893. It belongs to the genus Dendrocoris, a group of arboreal stink bugs associated with coniferous trees. The species is found in North America. Like other members of its genus, it is likely associated with pine trees, though specific ecological details remain poorly documented in published literature.
Desmoglyptus
Desmoglyptus is a genus of flower weevils in the beetle family Curculionidae. The genus was established by Thomas Lincoln Casey in 1892. It contains at least two described species: Desmoglyptus arizonicus (described 1920) and Desmoglyptus crenatus (originally described 1876). As a member of Curculionidae, it shares the characteristic rostrum (elongated snout) typical of weevils.