North-america
Guides
Callophrys gryneus juniperaria
Cedar Hairstreak, Juniper Hairstreak, Olive Hairstreak
A subspecies of juniper hairstreak butterfly in the family Lycaenidae. The name 'juniperaria' reflects its close association with juniper host plants. This subspecies is part of the broader Callophrys gryneus species complex, which shows regional variation across North America. Based on source materials, it has been observed in Oklahoma and Kansas, typically in habitats where juniper or cedar species occur.
Callophrys gryneus loki
Juniper Hairstreak, Olive Hairstreak
Callophrys gryneus loki is a subspecies of juniper hairstreak butterfly historically recognized from parts of the central and southern United States. The name is currently treated as a synonym in GBIF, with specimens reclassified under the nominate form Callophrys gryneus. These butterflies are associated with juniper and cedar host plants. Adults have been observed nectaring on milkweeds and other flowering plants in prairie and open woodland habitats. The taxon represents part of a complex of similar hairstreaks whose taxonomy remains under revision.
Callophrys gryneus plicataria
Cedar Hairstreak
Callophrys gryneus plicataria is a subspecies of juniper hairstreak butterfly in the family Lycaenidae. It is treated as a synonym of Mitoura gryneus in some taxonomic systems, reflecting ongoing debate about generic placement within the Eumaeini. The subspecies is associated with cedar and juniper habitats. Observations are concentrated in the northeastern United States, particularly Vermont.
Callophrys gryneus rosneri
Rosner's Hairstreak, Juniper Hairstreak
Callophrys gryneus rosneri is a subspecies of juniper hairstreak butterfly in the family Lycaenidae. It is currently recognized as a synonym of Mitoura gryneus in GBIF taxonomy, though iNaturalist maintains it as a distinct subspecies under Callophrys. The taxon was described by K. Johnson in 1976. Like other juniper hairstreaks, it is associated with juniper host plants.
Callophrys gryneus sweadneri
Sweadner's Juniper Hairstreak, juniper hairstreak, olive hairstreak
Callophrys gryneus sweadneri is a subspecies of juniper hairstreak butterfly in the family Lycaenidae. It occurs in North America and has been documented in Oklahoma and Kansas. Adults have been observed in late April and late August, suggesting a spring and late summer flight period. The subspecies is associated with juniper habitats, consistent with the species-level ecology of C. gryneus.
Callophrys gryneus thornei
Juniper Hairstreak, Thorne's Juniper Hairstreak
Callophrys gryneus thornei is a subspecies of juniper hairstreak butterfly in the family Lycaenidae. It is currently considered a synonym of Callophrys thornei. The species is associated with juniper habitats and has been documented in North America. Like other members of the gryneus complex, adults likely feed on nectar from various flowers and larvae feed on juniper species.
Callophrys henrici
Henry's elfin, woodland elfin
Callophrys henrici, commonly known as Henry's elfin or woodland elfin, is a small North American butterfly in the family Lycaenidae. The species exhibits distinct population groups with different host plant associations: Atlantic Coast populations feed on various hollies (Ilex species), while northern and Appalachian populations use redbud (Cercis canadensis). The species has shown recent range expansion in New England due to adoption of introduced common buckthorn (Rhamnus cathartica) as a host plant. It is listed as a species of special concern in Connecticut.
Callophrys irus hadros
Frosted Elfin
Callophrys irus hadros is a subspecies of Frosted Elfin butterfly in the family Lycaenidae. It has been studied in Arkansas where research has examined its distribution and habitat preferences. The subspecies is part of a complex of elfin butterflies that occur in North America. Limited observational data exists, with only 10 records documented on iNaturalist.
Callophrys lanoraieensis
bog elfin
Callophrys lanoraieensis, the bog elfin, is a small North American butterfly in the family Lycaenidae. It is a habitat specialist restricted to peatland ecosystems dominated by black spruce and tamarack. The species has a limited distribution in the northeastern United States and eastern Canada, with isolated populations across its range. Its small size, dull brown coloration, and lack of hindwing tails distinguish it from related elfin species.
Callophrys mcfarlandi
Sandia Hairstreak
Callophrys mcfarlandi, the Sandia Hairstreak, is a small butterfly species native to North America with a restricted geographic range. It was discovered in 1958 in La Cueva Canyon, Albuquerque, New Mexico, by University of Kansas student Noel McFarland and formally described in 1960. The species was designated as one of New Mexico's state insects in 2003. It belongs to the hairstreak group within the family Lycaenidae.
Callopistria cordata
silver-spotted fern moth
Callopistria cordata, commonly known as the silver-spotted fern moth, is a noctuid moth species described by Ljungh in 1825. It belongs to the subfamily Eriopinae within the owlet moth family Noctuidae. The species is documented from North America, with specific occurrence records from Manitoba, Canada and Vermont, United States. It is a relatively well-observed species with over 2,600 iNaturalist records.
Callopistria mollissima
Pink-shaded Fern Moth
Callopistria mollissima, the pink-shaded fern moth, is a species of owlet moth in the family Noctuidae. It is found in North America and has been assigned MONA/Hodges number 9631. The species was first described by Guenée in 1852 under the basionym Eriopus mollissima.
Callopistromyia
Peacock flies
Callopistromyia is a genus of small picture-winged flies (family Ulidiidae) known for the distinctive courtship displays of males, which hold their patterned wings perpendicular to the body while sidling along substrates. The genus contains two species: C. annulipes (the peacock fly) and C. strigula. Adults are typically 3.5–5.5 mm in length. C. annulipes has expanded from its native North American range to become an established alien species in Europe since 2007.
Callosamia
promethea moths, silkmoths
Callosamia is a genus of large silkmoths in the family Saturniidae, first described by Alpheus Spring Packard in 1864. The genus contains three North American species: C. promethea, C. angulifera, and C. securifera. These moths are notable for their striking appearance, strong host plant associations with woody plants, and distinct behavioral differences including diurnal versus nocturnal mating activity that contributes to reproductive isolation between sibling species.
Callosamia promethea
Promethea Silkmoth, Spicebush Silkmoth
Callosamia promethea is a North American silk moth in the family Saturniidae, notable for being the only member of its family with sexually dimorphic activity patterns: males are diurnal while females are nocturnal. Adults do not feed. Larvae feed on a broad range of host plants across multiple families, including Rosaceae, Oleaceae, and Lauraceae. The species produces silk for cocoon construction and exhibits distinctive defensive behaviors including thanatosis and chemical secretion.
Calodera parviceps
Calodera parviceps is a species of rove beetle (Staphylinidae) in the subfamily Aleocharinae. First described by Casey in 1893, this small beetle is distributed across northern North America including Canada and Alaska. It belongs to the tribe Oxypodini, a group of aleocharine rove beetles. The species epithet "parviceps" (small head) likely refers to a distinguishing morphological feature.
Caloecia juvenalis
Caloecia juvenalis is a species of lappet moth in the family Lasiocampidae, described by Barnes and McDunnough in 1911. The genus Caloecia is a small group within the Lasiocampidae, commonly known as lappet moths or tent caterpillar moths. Species in this family are characterized by their stout, furry bodies and larvae that often possess fleshy lappets (projections) along the body sides.
Calolydella lathami
bristle fly
Calolydella lathami is a species of bristle fly in the family Tachinidae, first described by Curran in 1925. It belongs to the subfamily Exoristinae and tribe Blondeliini. The species is known from North America, with confirmed records from Canada and the United States.
Calomycterus setarius
Imported Long-horned Weevil
Calomycterus setarius, commonly known as the imported long-horned weevil, is a broad-nosed weevil native to Japan that has become established in eastern North America. The species belongs to the family Curculionidae and is classified within the subfamily Entiminae. It is frequently encountered in the northeastern and midwestern United States, with confirmed records from states including Connecticut, Illinois, Indiana, and Iowa.
Caloparyphus
Caloparyphus is a genus of soldier flies (family Stratiomyidae) comprising approximately 12 described species. Species within this genus are associated with madicolous habitats—thin water films on rock surfaces—in eastern North America. The genus was established by James in 1939 and belongs to the tribe Oxycerini. Larval and adult stages have been described for at least some species.
Caloparyphus crotchi
Caloparyphus crotchi is a species of soldier fly in the family Stratiomyidae, first described by Osten Sacken in 1877. The species belongs to the genus Caloparyphus within the tribe Oxycerini. It has been recorded in Canada and the United States. Available information on this species is limited, with only two observations documented on iNaturalist.
Calopteron discrepans
banded net-winged beetle
Calopteron discrepans is a colorful net-winged beetle in the family Lycidae, recognized by its striking orange elytra with black banding. The species occurs in moist woodland habitats across eastern North America, where adults are active during summer months. It is frequently confused with congeners C. reticulatum and C. terminale, requiring careful examination of antennal and ventral coloration for positive identification. The species participates in Müllerian mimicry complexes with other aposematically colored insects.
Calopteron terminale
End Band Net-wing, End Band Net-winged Beetle
Calopteron terminale is a net-winged beetle in the family Lycidae, distinguished from congeners by a transverse depression across the elytra. It is found in eastern North American deciduous woodlands, where adults are active from July through September. The species participates in a Müllerian mimicry complex with similarly colored toxic beetles and moths. Larvae develop under bark of dead and dying trees, preying on small arthropods.
Calopteryx amata
Superb Jewelwing
Calopteryx amata, commonly known as the superb jewelwing, is a damselfly species in the family Calopterygidae. Native to North America, it occurs in eastern Canada and the northeastern United States, with records extending south to Tennessee. As a member of the jewelwing group, it is characterized by the metallic wing coloration typical of the genus Calopteryx.
Caloptilia belfragella
Dogwood Caloptilia Moth
Caloptilia belfragella is a small moth in the family Gracillariidae, commonly known as the Dogwood Caloptilia Moth. Its larvae are leaf miners that feed on several host plants including dogwoods (Cornus), staghorn sumac (Rhus typhina), and blueberries (Vaccinium). The species occurs in eastern North America from Quebec south to Texas.
Caloptilia burgessiella
Dogwood Conical Leafroller Moth
Caloptilia burgessiella is a small moth in the family Gracillariidae, commonly known as the Dogwood Conical Leafroller Moth. The larvae are leaf miners that feed on dogwoods (Cornus species) and blueberry (Vaccinium corymbosum). The species occurs in northeastern North America and has been recorded as far west as California.
Caloptilia hypericella
A small leaf-mining moth in the family Gracillariidae with a wingspan of approximately 8 mm. The species is specialized on Hypericum (St. John's wort) host plants, with larvae creating blotch mines in leaves. It occurs in eastern North America from Québec to the Ohio River Valley.
Caloptilia negundella
Boxelder Leafroller Moth, boxelder leafroller
Caloptilia negundella is a small moth in the family Gracillariidae, commonly known as the boxelder leafroller moth. The species was first described by V.T. Chambers in 1876. It is attracted to ultraviolet light sources and has been documented at moth lighting events in Colorado.
Caloptilia strictella
Caloptilia strictella is a species of microlepidopteran moth in the family Gracillariidae. It is known from scattered records across northern and eastern North America, including the Canadian provinces of Manitoba, Québec, Alberta, British Columbia, New Brunswick, Newfoundland and Labrador, and the Northwest Territories, as well as Maine in the United States. Like other members of its genus, it is likely a leaf-mining species, though specific host plant associations remain undocumented.
Caloreas
Caloreas is a genus of small moths in the family Choreutidae, established by Heppner in 1977. The genus contains approximately 18 described species distributed primarily in North America. Species were originally described under various other genera before being consolidated into Caloreas. The genus belongs to the subfamily Choreutinae, a group commonly known as metalmark moths due to their distinctive wing patterns.
Calosima argyrosplendella
Calosima argyrosplendella is a species of moth in the family Blastobasidae, described by Dietz in 1910. The species is known from scattered records across the eastern and southern United States. As with most Blastobasidae, detailed biological information remains limited.
Calosoma frigidum
Cold-country Caterpillar Hunter
Calosoma frigidum is a ground beetle in the family Carabidae, commonly known as the cold-country caterpillar hunter. First described by William Kirby in 1837, this species occurs throughout southern Canada and the northern United States. Adults are nocturnal predators that climb trees to hunt caterpillars, hiding under debris during daylight hours. The species shows sensitivity to soil temperature changes, with elevated temperatures causing adults to abandon their burrows.
Calosoma luxatum
dislocated beautiful black searcher
Calosoma luxatum, commonly known as the dislocated beautiful black searcher, is a large ground beetle in the family Carabidae. Adults are brachypterous, meaning they have reduced wings and are flightless. The species is distributed across western and central North America, from the Canadian prairies through the western United States. It inhabits open short grass prairies and dry forest clearings, where it hunts as an active predator.
Calosoma scrutator
Fiery Searcher, Caterpillar Hunter
Calosoma scrutator is a large, predatory ground beetle native to North America, commonly known as the Fiery Searcher or Caterpillar Hunter. Adults reach 25–35 mm in length and display striking metallic coloration. The species is primarily nocturnal and climbs vegetation to hunt caterpillars, earning its common name. When disturbed, it excretes a foul-smelling defensive oil from pygidial glands. It serves as an important biological control agent for defoliating insect pests.
Calosoma sycophanta
forest caterpillar hunter, Agreeable Caterpillar Hunter
Calosoma sycophanta is a large, metallic ground beetle renowned for its specialized predation on caterpillars. Adults reach 21–35 mm in length and display striking iridescent green elytra with a bluish scutellum, though coloration shifts with light angle to show blue, bronze, copper, gold, or black tones. Both adults and larvae are arboreal hunters, ascending trees to prey on caterpillars including Lymantria dispar (gypsy moth), Thaumetopoea processionea (oak processionary), and Thaumetopoea pityocampa. The species is diurnal and visually orients toward dark objects and tree bases in forests. Native to Europe, it has been introduced to North America for biological control and is now established in the northeastern United States.
Calycomyza artemisivora
Calycomyza artemisivora is a leaf-mining fly species in the family Agromyzidae, described in 2018. The species name refers to its association with Artemisia host plants. As a member of Calycomyza, it is part of a genus containing numerous leaf-miner species that create distinctive feeding patterns within plant tissues.
Calycomyza avira
Calycomyza avira is a species of leaf-mining fly in the family Agromyzidae, described from North America in 2018. Like other members of its genus, it likely produces serpentine or blotch mines in living leaf tissue. The species was established based on morphological distinctions from congeners and associated host plant records. It represents part of a diverse radiation of Calycomyza species specialized on Asteraceae hosts.
Calycomyza eupatoriphaga
Calycomyza eupatoriphaga is a leaf-mining fly in the family Agromyzidae, described in 2018 from specimens reared from host plants in the genus Eupatorium. The species name reflects its specialized association with boneset and related plants (Asteraceae). As with other Calycomyza species, the larvae produce distinctive serpentine or blotch mines in leaves. The species is known from eastern North America.
Calycomyza novascotiensis
Calycomyza novascotiensis is a species of leaf-mining fly in the family Agromyzidae, described by Spencer in 1969. The specific epithet refers to Nova Scotia, suggesting a type locality or geographic association with that region. As a member of Calycomyza, it belongs to a genus whose larvae are known to create distinctive serpentine or blotch mines in leaves. The species has been documented in northeastern North America.
Calycomyza promissa
Calycomyza promissa is a leaf-mining fly in the family Agromyzidae. The larvae develop within leaves of various aster species (Symphyotrichum), creating distinctive feeding tunnels. It occurs in Canada and the United States.
Calycopis cecrops
Red-banded Hairstreak
Calycopis cecrops, commonly known as the red-banded hairstreak, is a small butterfly native to the southeastern United States. Adults have a wingspan of 23–32 mm and are characterized by grayish underwings with a distinctive red band. The species has been observed feeding on fallen leaves of sumac species and other trees. It is typically found in coastal areas and open habitats.
Calymmaderus nitidus
Calymmaderus nitidus is a species of beetle in the family Ptinidae (formerly Anobiidae), first described by LeConte in 1865. It belongs to a genus of small wood-boring beetles commonly known as deathwatch beetles or furniture beetles. The species is known from North America with confirmed records from Canada, including Québec.
Calymmaderus punctulatus
Calymmaderus punctulatus is a small beetle species in the family Ptinidae (spider beetles and deathwatch beetles). The species was described by John Lawrence LeConte in 1865. Records indicate a North American distribution. Like other members of its family, this species likely inhabits stored products, wood, or dry organic materials.
Calymmaria californica
Calymmaria californica is a species of true spider in the family Cybaeidae. It was described by Nathan Banks in 1896. The species is found in the United States, though specific details about its biology and ecology remain poorly documented in published literature.
Calymmaria suprema
Calymmaria suprema is a species of true spider in the family Cybaeidae, first described by Chamberlin and Ivie in 1937. It belongs to the genus Calymmaria, which contains 31 species north of Mexico, most restricted to the Pacific coast region. The species occurs in the United States and Canada, though specific details about its biology remain limited in published literature.
Calyptillus cryptops
Calyptillus cryptops is a species of weevil in the family Curculionidae, subfamily Entiminae, described by George Henry Horn in 1876. It is native to the central United States. The genus Calyptillus belongs to the tribe Geonemini, a group of broad-nosed weevils.
Cambala annulata
Violet Ridged Millipede
Cambala annulata is a species of millipede in the family Cambalidae, commonly known as the Violet Ridged Millipede. It is native to North America and was first described by Thomas Say in 1821. The species belongs to the order Spirostreptida, a group of large cylindrical millipedes.
Cambala minor
Amber Ridged Millipede
Cambala minor is a species of millipede in the family Cambalidae, described by Bollman in 1888. It is known from North America, where it inhabits forest floor environments. As a member of the order Spirostreptida, it belongs to a group of large-bodied millipedes characterized by cylindrical bodies and numerous segments.
Cambarus asperimanus
mitten crayfish
Cambarus asperimanus, commonly known as the mitten crayfish, is a species of freshwater crayfish in the family Cambaridae. It was first described by Faxon in 1914 and is native to North America. The species holds a Least Concern conservation status according to the IUCN, last reviewed in 2010.
Cambarus dubius
Upland Burrowing Crayfish
Cambarus dubius, commonly known as the Upland Burrowing Crayfish, is a burrowing crayfish species native to the central and southern Appalachian region of the eastern United States. The species has a complex taxonomic history with multiple distinct color phases historically recognized across different geographic areas. Recent taxonomic work has restricted C. dubius sensu stricto to populations with orange dorsal and lateral coloration and cream ventral surfaces, found in the central and northern Allegheny Mountains and high elevations of the Appalachian Plateau. The species constructs distinctive burrow systems and faces conservation concerns due to limited distribution data and habitat alterations.