North-america
Guides
Anarta nigrolunata
Pied Alpine Beauty
Anarta nigrolunata is a noctuid moth first described by Alpheus Spring Packard in 1867. It is known by the common name Pied Alpine Beauty. The species occurs in Arctic and alpine environments across North America. It was formerly placed in the genus Hadula but is now classified in Anarta. It is distinct from the similar Anarta melanopa, which was previously considered conspecific.
Anarta oaklandiae
Oakland's Cutworm Moth, Oakland's Dart
Anarta oaklandiae is a noctuid moth species described by James Halliday McDunnough in 1937. Originally placed in the genus Scotogramma, it was later transferred to Anarta. The species is assigned Hodges number 10234 in the North American moth numbering system. Very few observations exist, with only one documented record on iNaturalist.
Anarta oregonica
Oregon Cutworm Moth
Anarta oregonica is a species of cutworm or dart moth in the family Noctuidae, first described by Grote in 1881. The species is native to western North America and is assigned Hodges number 10228. As a member of the genus Anarta, it belongs to a group of moths commonly associated with open, often arid or alpine habitats.
Anasa
squash bugs
Anasa is a genus of squash bugs in the family Coreidae, containing more than 70 described species distributed throughout North, Central, and South America. The genus includes major agricultural pests, particularly Anasa tristis, which causes significant damage to cucurbit crops and vectors cucurbit yellow vine disease. Members of this genus are specialized herbivores of plants in the family Cucurbitaceae.
Anasa repetita
Anasa repetita is a leaf-footed bug in the family Coreidae, described by Heidemann in 1905. It is native to North America, with confirmed records from Maryland, New York, and the District of Columbia. As a member of the genus Anasa, it belongs to a group commonly known as squash bugs, though specific ecological details for this species remain limited compared to the well-studied congener Anasa tristis.
Anasaitis canosa
Twin-flagged Jumping Spider
Anasaitis canosa is a small jumping spider in the family Salticidae, commonly known as the twin-flagged jumping spider. It is recognized by the paired white or pale flag-like markings on its dorsal abdomen, which give the species its common name. The species is native to the southeastern United States and has been introduced to Cuba. Like other salticids, it is an active visual hunter that does not build webs to capture prey.
Anasimyia chrysostoma
Lump-legged Swamp Fly
Anasimyia chrysostoma, commonly known as the lump-legged swamp fly, is a syrphid fly species distributed across the United States and Canada. Adults are flower visitors that feed on nectar and pollen. The larvae are aquatic and possess the characteristic rat-tailed morphology typical of the genus Anasimyia. The species is considered fairly common and has been documented in 355 observations on iNaturalist.
Anasimyia perfidiosus
Treacherous Swamp Fly
Anasimyia perfidiosus is a species of hoverfly (family Syrphidae) found in North America. It was originally described in the genus Lejops and is still sometimes referenced by that synonym. The species is known by the common name Treacherous Swamp Fly. It belongs to the subfamily Eristalinae, a group of syrphid flies often associated with aquatic or semi-aquatic habitats.
Anaspis duryi
Anaspis duryi is a species of false flower beetle in the family Scraptiidae, described by Liljeblad in 1945. The species is known from North America, with records from British Columbia, Canada. Like other members of the genus Anaspis, it is a small beetle associated with flowers and vegetation. The family Scraptiidae is commonly referred to as false flower beetles due to their superficial resemblance to true flower beetles (family Melyridae).
Anaspis flavipennis
Yellow-winged False Flower Beetle
Anaspis flavipennis is a species of false flower beetle in the family Scraptiidae. It is found in North America, with records from Canada including British Columbia, Manitoba, and New Brunswick. The common name "Yellow-winged False Flower Beetle" refers to the yellow coloration of its wings.
Anaspis nigrina
Anaspis nigrina is a species of false flower beetle in the family Scraptiidae, first described by Csiki in 1915. The species is recorded from North America with specific occurrence data from British Columbia, Newfoundland, and Nova Scotia in Canada. Members of the genus Anaspis are commonly associated with flowers and vegetation, though species-specific biology for A. nigrina remains poorly documented.
Anaspis sericea
Anaspis sericea is a species of false flower beetle in the family Scraptiidae, first described by Mannerheim in 1843. The species is known from North America, with records from Alaska, United States and British Columbia, Canada. False flower beetles in this family are generally small, inconspicuous beetles often associated with flowers and decaying vegetation.
Anastoechus barbatus
Anastoechus barbatus is a species of bee fly in the family Bombyliidae, distributed across much of North America. The species occurs from the Yukon east to Ontario in Canada, and across most of the United States from Massachusetts west to California and Texas, though it is absent from the southeastern United States. Its larvae are predators of grasshopper eggs, representing an important biological control mechanism.
Anastrangalia haldemani
Anastrangalia haldemani is a longhorn beetle in the family Cerambycidae, subfamily Lepturinae. It occurs across North America from Canada through the United States to Mexico. The species is a member of the flower-visiting lepturine beetles, though specific ecological details remain poorly documented. It was described by Casey in 1891.
Anastrangalia sanguinea
Anastrangalia sanguinea is a longhorn beetle (Cerambycidae) first described by LeConte in 1859. The species belongs to the subfamily Lepturinae, a group commonly known as flower longhorns due to their frequent association with blossoms. It occurs across northern North America, with documented records from western Canada through to eastern Canada. Like other members of its genus, it is associated with coniferous forest habitats.
Anathix aggressa
cutworm, dart moth
Anathix aggressa is a noctuid moth species described by Smith in 1907. It belongs to the cutworm or dart moth group within the family Noctuidae. The species is native to North America, with confirmed records from the Canadian prairie provinces of Alberta, Manitoba, and Saskatchewan. It is assigned MONA/Hodges number 9963.
Anatis
Giant Lady Beetles
Anatis is a genus of ladybird beetles (Coccinellidae) commonly known as "giant lady beetles." The genus contains approximately ten extant species distributed primarily in North America, with at least two fossil species described. Members are relatively large compared to most lady beetles and are predatory as adults and larvae. The genus includes notable species such as Anatis mali and Anatis labiculata, which have been studied for their biological control potential.
Anatis mali
Eye-spotted Lady Beetle
Anatis mali, commonly known as the eye-spotted lady beetle, is a North American lady beetle species in the family Coccinellidae. Adults measure 7.3–10 mm in length and display variable coloration from yellow to brownish red with black markings. The species has been documented as a specialized predator of aphids in balsam fir plantations, where it plays a significant role in biological control. Research indicates that larvae require approximately 296 aphids to complete development and pupate.
Anatralata versicolor
Venerable Bantam
Anatralata versicolor is a small moth species belonging to the family Crambidae. It is the sole member of its genus, making it monotypic. The species is native to western North America, with a range extending from California through Idaho to British Columbia. It occupies diverse habitats including mountainous regions and low-elevation coastal grasslands in central California.
Anatrichis minuta
Anatrichis minuta is a species of ground beetle in the family Carabidae, first described by Dejean in 1831. It is a small beetle distributed across North America. The species belongs to the subfamily Licininae and tribe Oodini, placing it among a diverse group of predatory ground beetles. Beyond basic taxonomic classification and geographic distribution, detailed ecological and behavioral information for this species remains limited in available sources.
Anatrytone logan
Delaware Skipper
Anatrytone logan, commonly known as the Delaware skipper, is a North American grass skipper butterfly in the family Hesperiidae. It ranges from the southern Canadian Prairies and southern Ontario through the midwestern and eastern United States. The species exhibits sexual monomorphism in coloration, with both sexes displaying yellow-orange wings with black borders and dark brown venation. It is multivoltine in warmer regions and univoltine in northern areas, with larval development dependent on native grasses.
Anavitrinella
Common Gray (for A. pampinaria)
Anavitrinella is a genus of geometrid moths erected by James Halliday McDunnough in 1922. The genus contains four recognized species, with Anavitrinella pampinaria (common gray) being the most widespread and well-documented. Species in this genus are characterized by relatively plain, grayish wing coloration that makes identification challenging. The caterpillars are inchworms typical of the family Geometridae.
Anavitrinella atristrigaria
Gulf Coast Gray
A geometrid moth species in the family Geometridae, commonly known as the Gulf Coast Gray. First described by Barnes and McDunnough in 1913. It is found in North America and has been assigned MONA/Hodges number 6591. The species is part of the genus Anavitrinella, which includes other gray-colored geometer moths.
Anavitrinella ocularia
Anavitrinella ocularia is a geometer moth in the family Geometridae, described from North America in 1917. It belongs to a genus of moths commonly known as 'Common Gray' moths for their typically subdued, cryptic coloration. The species is poorly documented in popular and scientific literature, with minimal observational records available.
Anax longipes
Comet Darner
Anax longipes, commonly known as the Comet Darner, is a dragonfly species in the family Aeshnidae. It is a common North American species with a distinctive appearance and migratory behavior. Adults are large, powerful fliers that prey on other insects in flight. The species is part of the Migratory Dragonfly Partnership monitoring program due to its seasonal movements.
Anax walsinghami
giant darner, giant green darner
Anax walsinghami is the largest dragonfly species in North America, with a wingspan reaching up to 120 mm and body length of 89–117 mm. Commonly known as the giant darner or giant green darner, this species belongs to the family Aeshnidae and is distributed across Central America and North America. Despite its impressive size, it is exceeded by the closely related giant Hawaiian darner (A. strenuus). The IUCN lists the species as Least Concern with a stable population.
Anaxipha delicatula
chirping trig
Anaxipha delicatula, commonly known as the chirping trig, is a species of winged bush cricket in the family Trigonidiidae. It was first described by Scudder in 1878 and is native to North America. The species belongs to a group of small, often colorful crickets known as "trigs" that inhabit vegetation and produce characteristic chirping sounds.
Anaxipha exigua
Say's trig, Say's bush cricket
Anaxipha exigua is a small cricket species in the family Trigonidiidae, commonly known as Say's trig or Say's bush cricket. It belongs to the genus Anaxipha, whose members are often called "brown trigs." The species occurs across the Caribbean and North America, with documented records from states including Florida, Georgia, Illinois, Indiana, and Iowa. As a member of the subfamily Trigonidiinae, it is among the "winged bush crickets" or "trigs," a group of small, often arboreal crickets.
Anchastus sericans
Anchastus sericans is a species of click beetle in the family Elateridae. It was described by John Lawrence LeConte in 1866. The species belongs to the tribe Ampedini within the subfamily Elaterinae. It is one of several species in the genus Anchastus found in North America.
Anchigarypus californicus
Anchigarypus californicus is a pseudoscorpion species originally described by Nathan Banks in 1909 as Garypus californicus. The species has since been reclassified from Garypus to Anchigarypus based on morphological and taxonomic revisions. It belongs to the family Garypidae, a group of pseudoscorpions commonly found in coastal and intertidal habitats. The species is known from North America, with records primarily from California and surrounding regions.
Anchomenus funebris
Anchomenus funebris is a ground beetle in the family Carabidae, first described by LeConte in 1854. It belongs to the subfamily Platyninae and tribe Anchomenini. The species is found in North America, with distribution records from the United States. Like other ground beetles, it is likely a predatory species, though specific ecological details remain poorly documented in available sources.
Anchomma
Anchomma is a genus of darkling beetles (family Tenebrionidae) established by John Lawrence LeConte in 1858. It belongs to the subfamily Pimeliinae, tribe Stenosini, and subtribe Dichillina. The genus is characterized by morphological features typical of the subtribe Dichillina, including adaptations associated with arid environments. Knowledge of this genus is limited due to its rarity in collections and few documented observations.
Anchomma costatum
Anchomma costatum is a species of darkling beetle in the family Tenebrionidae, described by John Lawrence LeConte in 1858. It belongs to a genus of North American beetles. The species is known from limited collection records and appears to be rarely encountered, with only five documented observations on iNaturalist. As with many tenebrionid beetles, it likely inhabits arid or semi-arid environments, though specific ecological details remain poorly documented.
Anchonoderus schaefferi
Anchonoderus schaefferi is a species of ground beetle in the family Carabidae. It was described by Liebke in 1928. The species is known to occur in North America, specifically within the United States. Very little detailed biological or ecological information has been published about this species.
Anchorius
Anchorius is a genus of small beetles in the family Biphyllidae, first described by Casey in 1900. The genus was long known only from North America, with Anchorius lineatus as the sole described species, until the recent description of Anchorius dollyae from Chile extended its range to South America. Members of this genus are distinguished by specific morphological features of the pronotum, ventrites, and male genitalia. The Chilean discovery represents the southernmost record of the genus.
Anchorius lineatus
Anchorius lineatus is a small beetle in the family Biphyllidae, described by Thomas L. Casey in 1900. The species is known from North America, though specific details about its biology and ecology remain poorly documented. Biphyllidae beetles are generally associated with decaying plant matter and fungi, but species-level information for A. lineatus is sparse.
Anchycteis velutina
Anchycteis velutina is a species of toe-winged beetle in the family Ptilodactylidae, described by George Henry Horn in 1880. The genus Anchycteis is small and poorly documented, with limited ecological and biological information available. This species is known from North America, though specific details regarding its habitat preferences, behavior, and life history remain sparse in the scientific literature.
Anchytarsus bicolor
toed-winged beetle
Anchytarsus bicolor is a small toed-winged beetle in the family Ptilodactylidae, characterized by its distinctive bicolored pattern. It belongs to a family commonly known as toed-winged beetles or comb-clawed beetles, which are recognized by their modified tarsal claws. The species has been documented in eastern North America, with records from Canada and the United States.
Ancistrocerus albophaleratus
White-banded Potter Wasp
Ancistrocerus albophaleratus is a solitary mason wasp in the subfamily Eumeninae, commonly known as the White-banded Potter Wasp. Like other Ancistrocerus species, it is a cavity-nesting wasp that constructs nests using mud in pre-existing hollows. The species is part of a genus characterized by distinctive morphological traits including a transverse carina on the first abdominal segment. It is native to North America with confirmed records in the northeastern United States.
Ancistrocerus campestris
Walden's Mason Wasp
Ancistrocerus campestris is a solitary mason wasp in the subfamily Eumeninae. Adults reach approximately 10 mm in length. Females construct nests in pre-existing cavities such as beetle borings in wood, hollow twigs, or abandoned mud dauber nests, partitioning them with mud into individual cells. The species is distinguished by distinctive yellow markings on the abdomen and a characteristic pattern on the rear of the thorax. It preys specifically on caterpillars of the moth families Amphisbatidae and Gelechiidae.
Ancistrocerus parietum
Wall Mason Wasp
Ancistrocerus parietum is a solitary mason wasp native to Europe that was introduced to North America, first recorded from Ithaca, New York in 1916. It has since gradually extended its range across the northeastern United States and into Canada. The species is associated with dead deciduous wood for nesting and has shown population decline in parts of its native range, possibly due to habitat loss. Populations in southern Finland may produce two generations per year.
Ancylis burgessiana
Oak Leaffolder Moth
Ancylis burgessiana is a small tortricid moth commonly known as the Oak Leaffolder Moth. It belongs to the family Tortricidae, a large group of moths often called leafroller moths. The species is associated with oak habitats and has been recorded across parts of North America. Adults are active during the growing season, with larvae that fold or roll leaves of their host plants.
Ancylis mira
Ancylis mira is a species of tortricid moth described by Heinrich in 1929. It belongs to the subfamily Olethreutinae within the family Tortricidae, commonly known as leafroller moths. The species has been assigned MONA/Hodges number 3368 in North American lepidopteran classification systems.
Ancylis nubeculana
Little Cloud Ancylis Moth
Ancylis nubeculana, known as the Little Cloud Ancylis Moth, is a species of tortricid moth described by James Brackenridge Clemens in 1860. The species belongs to the subfamily Olethreutinae within the family Tortricidae, a large group of small moths commonly called leafroller moths. It has been documented across parts of Canada and the northern United States. The common name references the distinctive cloud-like markings on its forewings.
Ancyloxypha numitor
Least Skipper
Ancyloxypha numitor, commonly known as the least skipper, is a small North American butterfly in the family Hesperiidae. It is distinguished by rounded wings, a slender body, and checkered antennae lacking hooks. The species exhibits weak, fluttering flight reminiscent of Satyrinae butterflies. It completes multiple broods annually and overwinters as a larva.
Anderida
Anderida is a genus of moths in the family Pyralidae, subfamily Phycitinae. Established by Heinrich in 1956, this genus belongs to the diverse group of snout moths. The genus contains species that are part of the North American moth fauna.
Andrena anisochlora
Miner's Lettuce Miner
Andrena anisochlora is a solitary mining bee in the family Andrenidae, first described by Cockerell in 1936. Like other Andrena species, it is a ground-nesting bee that excavates tunnels in soil to create nest cells provisioned with pollen for its larvae. The common name "Miner's Lettuce Miner" suggests a likely association with Claytonia perfoliata (miner's lettuce) as a pollen or nectar source. It is part of the diverse Andrena genus, which contains over 1,500 species worldwide and represents one of the most speciose bee genera in North America.
Andrena apacheorum
Andrena apacheorum is a species of mining bee (family Andrenidae) described by Cockerell in 1897. The species is distributed across Central America and North America. Like other Andrena species, it is a solitary, ground-nesting bee. Specific ecological details for this species remain limited in available sources.
Andrena asteris
Aster Mining Bee, aster miner bee
Andrena asteris is a solitary mining bee in the family Andrenidae, native to North America. The species is named for its documented association with Aster flowers, though specific ecological details remain limited. Like other Andrena species, it nests in soil and is active during spring and summer. The species has been recorded from Vermont and other parts of North America, with 793 observations documented on iNaturalist.
Andrena bradleyi
Bradley's Mining Bee, Bradley's Andrena
Andrena bradleyi is a solitary mining bee species in the family Andrenidae, commonly known as Bradley's Mining Bee or Bradley's Andrena. It is a ground-nesting bee native to North America. As a member of the large genus Andrena, it exhibits the typical traits of mining bees: excavating tunnels in soil to create nest cells provisioned with pollen and nectar for its larvae. The species was described by Viereck in 1907.