North-america
Guides
Attalus humeralis
Attalus humeralis is a species of soft-bodied plant beetle in the family Melyridae, described by John Lawrence LeConte in 1866. The species epithet "humeralis" refers to the shoulder region of the elytra, suggesting distinctive markings or characteristics on the humeral angles. Like other members of the genus Attalus, it belongs to the subfamily Malachiinae, a group commonly known as malachite beetles or soft-winged flower beetles. The genus Attalus is diverse and widespread, with species found across multiple continents.
Attaphila fungicola
ant cockroach
Attaphila fungicola is a small myrmecophilous cockroach species described by Wheeler in 1900. The species is notable for its obligate association with leaf-cutter ants (Atta spp.), living within ant colonies. It belongs to the family Ectobiidae and has been documented in Texas and other parts of North America. The common name "ant cockroach" reflects this specialized ecological relationship.
Attenella margarita
spiny crawler mayfly
Attenella margarita is a species of spiny crawler mayfly in the family Ephemerellidae. It exhibits a disjunct east-west distribution pattern across North America, which is rare among mayflies. The species has been documented from the southern half of Canada and the continental United States, with a southeastern range extension to North Carolina representing approximately 1,300 km beyond previously known western localities.
Attenella soquele
Attenella soquele is a species of spiny crawler mayfly in the family Ephemerellidae. The species was described by Day in 1954 and is recognized as valid in current taxonomic databases. Members of the genus Attenella are characterized by their distinctive spiny abdominal tubercles and are primarily distributed in North America.
Attenuipyga minor
Attenuipyga minor is a species of leafhopper in the family Cicadellidae, described by Osborn in 1920. It belongs to a genus whose name reflects the slender, tapering pygofer structure characteristic of these insects. The species has been recorded from the Dakotas region of the north-central United States. Like other leafhoppers, it is a xylem-feeding insect that uses piercing-sucking mouthparts to extract fluids from plant vascular tissue.
Attenuipyga minor setosa
Attenuipyga minor setosa is a subspecies of leafhopper in the family Cicadellidae, order Hemiptera. It is recognized as a valid subspecies and has been documented from the northern Great Plains region of North America. The nominate subspecies Attenuipyga minor minor is found in western North America, while A. m. setosa occurs in the Dakotas region.
Attenuipyga vanduzei
Attenuipyga vanduzei is a leafhopper species in the family Cicadellidae, described by Osborn and Ball in 1898. The genus Attenuipyga is distinguished by its slender, attenuated body form. This species has been recorded from multiple states across the central and eastern United States, suggesting a relatively broad geographic range within temperate North America. Like other members of Cicadellidae, it is a phytophagous insect that feeds on plant sap using piercing-sucking mouthparts.
Attidops
Attidops is a genus of diminutive jumping spiders (Salticidae) established by Nathan Banks in 1905. The genus contains four described species distributed across North America from Canada to Mexico. These spiders measure only 2–3 mm in body length and exhibit minimal sexual dimorphism. The genus name derives from the salticid suffix -attus and Greek -ops ("to look like"), referencing its resemblance to related genera.
Attidops cutleri
Attidops cutleri is a small jumping spider in the family Salticidae, first described by Edwards in 1999. The species is known from limited observations, with only 8 documented records on iNaturalist. It occurs in the southern United States and Mexico. Like other salticids, it possesses excellent vision and hunts by stalking prey rather than building webs.
Attidops youngi
Attidops youngi is a small jumping spider in the family Salticidae, first described by the Peckhams in 1888. This species is found in the United States and Canada, representing one of the few North American members of the genus Attidops. Like other salticids, it possesses the characteristic enlarged anterior median eyes that provide acute vision for hunting and navigation. The genus Attidops is relatively understudied, with limited published information on the biology and ecology of its constituent species.
Attinella
Attinella is a genus of North American jumping spiders in the family Salticidae. It was established by Nathan Banks in 1905 with Attinella dorsata as the type species. The genus was synonymized with Sitticus from 1979 to 2017, when it was reinstated as a senior synonym of Sittiab. It currently contains three recognized species: A. concolor, A. dorsata, and A. juniperi.
Attinella dorsata
Attinella dorsata is a species of jumping spider (Salticidae) found in the United States and Mexico. The species is characterized by its brown coloration and small size, measuring approximately 6 mm (1/4 inch) in body length. Like other jumping spiders, it possesses the family's characteristic anterior median eyes and saltatory hunting behavior.
Atylostagma glabra
Atylostagma glabra is a longhorn beetle (family Cerambycidae) in the tribe Elaphidiini, described by Schaeffer in 1909. The species is distributed in Middle America and North America. It is currently accepted as a valid species by GBIF, though Catalogue of Life lists it as a synonym of Atylostagma polita. Like other members of the Elaphidiini, it likely shares the general characteristics of being a wood-boring beetle with larvae that develop in dead or dying wood.
Atylotus calcar
Atylotus calcar is a species of horse fly in the family Tabanidae, described by Teskey in 1983. As a member of the genus Atylotus, it belongs to a group of medium to large-sized biting flies commonly known as horse flies or deer flies. The species is part of the tribe Tabanini within the subfamily Tabaninae. Very few observations of this species have been recorded, with only six documented observations on iNaturalist.
Atylotus duplex
horse fly
Atylotus duplex is a species of horse fly in the family Tabanidae. It has been documented in seasonal flight activity studies in Connecticut, indicating adult activity patterns in that region. The species occurs in North America with records from Canada and the United States. Like other horse flies, adults are likely diurnal and females probably require blood meals for egg development, though specific biological details for this species remain limited in the available literature.
Atymna
Atymna is a genus of treehoppers in the family Membracidae, first described by Stål in 1867. The genus comprises at least ten recognized species distributed primarily in North America. Members of this genus are characterized by their enlarged pronotum, a defining feature of treehoppers that extends over the body. Several species have been documented feeding on oaks and other woody plants.
Atymna helena
Atymna helena is a treehopper species in the family Membracidae, described by Woodruff in 1915. It occurs in the north-central United States and southern Canada, with records from Connecticut, Indiana, Iowa, Manitoba, Minnesota, and Nebraska. As a member of the Smiliini tribe, it belongs to a diverse group of sap-feeding insects characterized by their enlarged pronota.
Atymna inornata
Atymna inornata is a treehopper species in the family Membracidae, subfamily Smiliinae. First described by Thomas Say in 1831, this species is characterized by its relatively unadorned pronotum compared to other members of the genus. Treehoppers in this group are known for their highly modified pronota that often extend into elaborate structures, though A. inornata exhibits a more subdued morphology consistent with its specific epithet.
Atymna querci
Atymna querci is a species of treehopper in the family Membracidae. The species name "querci" refers to its association with oak trees (Quercus). Treehoppers in this family are known for their enlarged pronotum that extends over the body, often forming elaborate structures. This species has been documented across the eastern and midwestern United States.
Atymna simplex
Atymna simplex is a treehopper species in the family Membracidae, first described by Van Duzee in 1908. It belongs to the subfamily Smiliinae and tribe Smiliini. The species has been recorded in Arizona and Texas, with limited observational data available.
Auchmobius
Auchmobius is a genus of darkling beetles in the family Tenebrionidae, subfamily Pimeliinae, and tribe Edrotini. It was established by John Lawrence LeConte in 1851. The genus belongs to a group of beetles commonly associated with arid and semi-arid environments. Species within Auchmobius are poorly documented in scientific literature, with limited published information on their biology and ecology.
Augochlorella
sweat bees
Augochlorella is a genus of small, metallic sweat bees in the family Halictidae. Members are distinguished from related genera by microscopic wing venation and head structure. The genus exhibits flexible sociality, with some populations forming eusocial colonies while others remain solitary depending on environmental conditions. Augochlorella aurata is among the most common bees in eastern North America and serves as an important pollinator of wildflowers and agricultural crops.
Augochlorella nigrocyanea
Augochlorella nigrocyanea is a species of sweat bee in the family Halictidae, tribe Augochlorini. The genus Augochlorella contains several species of small, metallic bees that are difficult to distinguish from related genera Augochlora and Augochloropsis without microscopic examination. Members of this genus are known for their bright metallic green, blue-green, or occasionally brassy coloration. Some Augochlorella species exhibit communal nesting or primitively social behavior, with multiple females sharing nest entrances.
Augochlorella pomoniella
Peridot Sweat Bee
Augochlorella pomoniella is a small, metallic green sweat bee in the family Halictidae, commonly known as the Peridot Sweat Bee. It belongs to the tribe Augochlorini, a group of bright metallic bees that are frequently mistaken for cuckoo wasps due to their similar appearance. The species is distributed across North America and Middle America. Like other Augochlorella species, it is a ground-nesting bee that visits flowers for pollen and nectar.
Augochloropsis anonyma
sweat bee
Augochloropsis anonyma is a species of sweat bee in the family Halictidae. It belongs to the tribe Augochlorini, a group of metallic green bees that are frequently mistaken for cuckoo wasps due to their similar appearance. The species was described by Theodore Dru Alison Cockerell in 1922. Like other members of its genus, it is a solitary bee that nests in soil or rotting wood.
Augochloropsis metallica
Metallic epauletted-sweat bee
Augochloropsis metallica is a brilliant green metallic sweat bee in the family Halictidae, native to Central and North America. First described by Fabricius in 1793, the species underwent significant taxonomic revision when a former subspecies (A. fulgida) was elevated to species status, resulting in the division of the original A. metallica into five distinct species. The species is commonly found in the Midwest, Northeast, and Southern United States.
Augochloropsis sumptuosa
sweat bee
Augochloropsis sumptuosa is a species of sweat bee in the family Halictidae, characterized by bright metallic green coloration. It belongs to the tribe Augochlorini, a group of small, often iridescent bees that are frequently mistaken for cuckoo wasps due to their similar appearance. The species has been documented in mark-recapture studies evaluating bee sampling methodologies, indicating its use as a representative taxon for monitoring wild bee populations. Like other Augochlorini, it is a solitary or primitively social bee that nests in soil or rotting wood.
Aulacidea harringtoni
Aulacidea harringtoni is a species of gall wasp in the family Cynipidae, first described by Ashmead in 1887. The genus Aulacidea comprises gall-forming wasps that induce galls on host plants. Distribution records indicate presence in North America, specifically in Canada including Ontario.
Aulacoscelis candezei
Aulacoscelis candezei is a leaf beetle species in the family Orsodacnidae, described by Chapuis in 1874. It is one of relatively few species in this small family of beetles. The species has been documented in Central America and North America, though detailed biological information remains limited.
Aulacothorax copalina
Copal Flea Beetle
Aulacothorax copalina, commonly known as the Copal Flea Beetle, is a small leaf beetle in the family Chrysomelidae. The species was formerly classified under the genus Orthaltica but has been reassigned to Aulacothorax based on morphological and phylogenetic evidence. It is endemic to North America and has been documented in 131 iNaturalist observations.
Aulacothorax melina
poison ivy leaf beetle
Aulacothorax melina is a leaf beetle in the family Chrysomelidae, commonly known as the poison ivy leaf beetle. The species was formerly placed in the genus Orthaltica but has been reclassified to Aulacothorax. It is native to North America and is associated with poison ivy (Toxicodendron radicans) as a host plant. The beetle is one of relatively few insects that can feed on poison ivy, which contains urushiol, a compound that causes allergic reactions in most humans and deters many herbivores.
Aulacothorax recticollis
Aulacothorax recticollis is a small leaf beetle in the family Chrysomelidae. The species was formerly placed in the genus Orthaltica but has been reclassified to Aulacothorax. It occurs across Central America and North America, though specific details about its biology and ecology remain poorly documented in the scientific literature.
Aulagromyza orbitalis
Aulagromyza orbitalis is a species of leaf-mining fly in the family Agromyzidae, first described by Melander in 1913. It belongs to a genus of small flies whose larvae create distinctive feeding patterns within leaf tissue. The species has been documented in the northeastern United States, particularly Vermont. As with other Aulagromyza species, the adults are typically small and inconspicuous, while the larval stage is the most economically and ecologically significant due to leaf-mining damage.
Auletobius humeralis
leaf or bud weevil
Auletobius humeralis is a species of leaf or bud weevil in the family Attelabidae, described by Hoffmann in 1953. The species is found in North America. As a member of Attelabidae, it is associated with leaf or bud feeding habits typical of this family of weevils.
Auleutes asper
minute seed weevil
Auleutes asper is a species of minute seed weevil in the family Curculionidae. It is native to North America and is currently classified as a synonym of Lixus asper. As a member of the tribe Auleutini, it belongs to a group of small weevils associated with seeds.
Auleutes ater
minute seed weevil
Auleutes ater is a species of minute seed weevil in the family Curculionidae. It is found in North America. The species is classified as provisionally accepted in taxonomic databases, indicating some uncertainty regarding its current taxonomic status or placement within the genus.
Auleutes subfasciatus
minute seed weevil
Auleutes subfasciatus is a minute seed weevil in the family Curculionidae, described by Dietz in 1896. It is one of several small weevil species in the genus Auleutes, which are associated with seeds of various plants. The species is recorded from North America, though detailed biological information remains limited.
Auleutes tenuipes
minute seed weevil
Auleutes tenuipes is a species of minute seed weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is one of approximately 30 species in the genus Auleutes, a group of small weevils associated with seeds. The species is documented from eastern Canada and is presumed to occur more broadly in North America, though records remain sparse.
Auleutes tuberculatus
minute seed weevil
Auleutes tuberculatus is a minute seed weevil in the family Curculionidae, described by Dietz in 1896. It is one of approximately 90 species in the genus Auleutes, a group of small weevils associated with seeds. The species is documented from North America.
Aulicus dentipes
Aulicus dentipes is a species of checkered beetle in the family Cleridae, described by Schaeffer in 1921. It belongs to the genus Aulicus, a group of predatory beetles within this family. The species is documented from North America, though specific details regarding its biology, ecology, and distribution within this range remain poorly known in the available literature.
Aulicus femoralis
checkered beetle
Aulicus femoralis is a species of checkered beetle in the family Cleridae, described by Schaeffer in 1917. It is found in North America. As a member of Cleridae, it belongs to a family whose larvae are predominantly predatory, though specific ecological details for this species remain poorly documented in available sources.
Aulicus monticola
checkered beetle
Aulicus monticola is a species of checkered beetle in the family Cleridae. It was described by Gorham in 1882. The species occurs in Central America and North America. As a member of the Cleridae, it belongs to a family commonly known as checkered beetles, which are predominantly predatory.
Aulobaris anthracina
flower weevil
Aulobaris anthracina is a species of flower weevil in the beetle family Curculionidae. It was described by George Charles Champion in 1909. The species is found in North America. The genus Aulobaris belongs to the weevil family, characterized by the distinctive elongated snout (rostrum) typical of curculionids.
Aulobaris naso
flower weevil
Aulobaris naso is a species of flower weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is native to North America and belongs to a genus of weevils associated with flowering plants. The species epithet 'naso' refers to the prominent rostrum characteristic of this group.
Aulocara elliotti
Big-headed Grasshopper, Bigheaded Grasshopper, Elliott Grasshopper
Aulocara elliotti, commonly known as the big-headed grasshopper, is a medium-sized slant-faced grasshopper native to western North America. It is a significant economic pest of rangeland grasses, often reaching outbreak densities of 20-40 individuals per square yard. The species is notable for its relatively large head, early spring emergence, and destructive feeding behavior that includes both consumption and cutting of grass leaves. It completes one generation annually and is frequently the dominant species in grasshopper assemblages across desert, mixedgrass, shortgrass, and bunchgrass prairies.
Aulogymnus io
Aulogymnus io is a species of chalcid wasp in the family Eulophidae, first described by Girault in 1916. It belongs to a group of parasitoid wasps known for their role in biological control of other insects. The genus Aulogymnus is part of the diverse Eulophinae subfamily, whose members are typically small parasitoids associated with various host insects. Available distributional records indicate presence in Massachusetts.
Aulonium ferrugineum
Aulonium ferrugineum is a species of cylindrical bark beetle in the family Zopheridae. It is found in North America.
Aulonium longum
Aulonium longum is a species of cylindrical bark beetle in the family Zopheridae, first described by John Lawrence LeConte in 1866. It is native to North America, with confirmed records from British Columbia, Canada. As a member of the Zopheridae, it belongs to a family of beetles commonly associated with dead wood and bark habitats.
Aulonium tuberculatum
Aulonium tuberculatum is a species of cylindrical bark beetle in the family Zopheridae. It was described by John Lawrence LeConte in 1863 and is known from North America. The species belongs to the genus Aulonium, a group of bark beetles characterized by their elongated, cylindrical body form.
Aulonothroscus constrictor
small false click beetle
Aulonothroscus constrictor is a small false click beetle in the family Throscidae, characterized by the ability to flex and snap its body to produce a clicking sound similar to true click beetles (Elateridae). The species is native to North America and has been recorded across a broad geographic range including Canada and the United States. Like other members of Throscidae, it is a small, compact beetle with clubbed antennae.