Subspecies
Guides
Acalymma blandulum
Acalymma blandulum is a skeletonizing leaf beetle in the family Chrysomelidae. The species was revised taxonomically in 1980, which established three recognized subspecies with distinct geographic distributions in the southwestern United States and Mexico. It belongs to the genus Acalymma, which includes several agriculturally significant cucurbit-feeding species.
Acmaeodera latiflava lineipicta
A subspecies of jewel beetle in the genus Acmaeodera, described by Fall in 1931. Belongs to the large and taxonomically challenging genus Acmaeodera, which contains approximately 150 species in North America and is in need of modern revision. The subspecies is part of a complex of small, black beetles with yellow maculations on the elytra.
Acmaeodera sinuata sexnotata
A subspecies of jewel beetle in the family Buprestidae, described by Van Dyke in 1919. As a member of the genus Acmaeodera, it belongs to a diverse group of metallic wood-boring beetles commonly associated with flowers and woody vegetation in North America.
Acrolophus griseus capitatus
A subspecies of grass tube moth in the family Acrolophidae, described by Hasbrouck in 1964. Acrolophus species are characterized by caterpillars that construct silken tubes at the base of grasses or grass roots for concealment while feeding. The family Acrolophidae was historically placed within Tineidae but is now recognized as distinct. This subspecies belongs to a genus commonly encountered during moth surveys and blacklighting events in North America.
Acronicta albarufa exempta
Acronicta albarufa exempta is a subspecies of dagger moth in the family Noctuidae. It belongs to the genus Acronicta, a diverse group of moths commonly known as dagger moths due to the dagger-like markings on their forewings. The subspecies designation indicates geographic or morphological variation within the species A. albarufa. Like other Acronicta species, it undergoes complete metamorphosis with caterpillar and adult moth stages.
Agrilus granulatus granulatus
Eastern Cottonwood Borer
Agrilus granulatus granulatus is a jewel beetle subspecies restricted to eastern North America east of the Rocky Mountains. Adults are commonly associated with cottonwood (Populus deltoides) and Lombardy poplar (Populus nigra 'Italica'), where they can be found on branches of host plants. The species is frequently confused with A. quadriguttatus, which breeds on willow rather than poplar. This subspecies represents the nominate form of A. granulatus, with other populations assigned to separate subspecies.
Agrilus inhabilis chalcogaster
Agrilus inhabilis chalcogaster is a subspecies of jewel beetle in the family Buprestidae. Like other members of the hyperdiverse genus Agrilus, it is a metallic woodboring beetle. The subspecies was described by Van Dyke in 1946. Very little specific information is documented about this particular subspecies.
Agrilus parvus parvus
Agrilus parvus parvus is a subspecies of jewel beetle in the family Buprestidae, one of the most diverse genera in the animal kingdom. As with other members of Agrilus, it is a wood-boring beetle whose larvae develop in plant tissue. The nominate subspecies occurs across multiple biogeographic regions including the Nearctic.
Altica bimarginata
willow flea beetle
Altica bimarginata is a small, shiny blue flea beetle in the family Chrysomelidae, commonly known as the willow flea beetle. It measures 5–6 mm in length and 2–3 mm in width. The species is distributed across North America and Central America and is frequently associated with willow plants (Salix genus). Three subspecies are recognized: A. b. bimarginata, A. b. labradorensis, and A. b. plicipennis. A neotype was designated for this species due to the loss of the original type specimen.
Amara californica californica
Amara californica californica is a subspecies of ground beetle in the family Carabidae, first described by Dejean in 1828. It belongs to the genus Amara, a large and widespread group of carabid beetles commonly known as sun beetles. The subspecies designation indicates geographic variation within the species Amara californica, which is found in western North America.
Ancistrocerus capra spenceri
Ancistrocerus capra spenceri is a subspecies of mason wasp in the family Vespidae, subfamily Eumeninae. As a member of the genus Ancistrocerus, it is a solitary wasp that constructs mud nests and provisions them with paralyzed caterpillars for its developing larvae. The specific biology and distribution of this subspecies have not been well documented in available literature.
Ancylis subaequana fergusoni
Ancylis subaequana fergusoni is a subspecies of tortricid moth in the family Tortricidae. It belongs to the large genus Ancylis, which comprises small leafroller moths. The subspecies designation indicates geographic or morphological differentiation from the nominate form. As a member of the Tortricidae, it likely exhibits the characteristic bell-shaped resting posture and forewings with a squared-off apex typical of the family.
Andrena cleodora melanodora
Andrena cleodora melanodora is a subspecies of mining bee in the family Andrenidae, described by Cockerell in 1932. As a member of the large genus Andrena, it is a solitary, ground-nesting bee. The subspecies is part of the nominate species Andrena cleodora, which belongs to a diverse group of early-spring flying bees that nest in soil and provision their larvae with pollen. No specific ecological studies or detailed biological observations have been published for this particular subspecies.
Andrena cressonii kansensis
Andrena cressonii kansensis is a subspecies of mining bee in the family Andrenidae. It was described by Cockerell in 1899. As a member of the genus Andrena, it is a solitary, ground-nesting bee. The subspecies is known from North America, with records from Vermont.
Andrena pertristis carliniformis
Andrena pertristis carliniformis is a subspecies of mining bee in the family Andrenidae, described by Viereck and Cockerell in 1914. As a member of the genus Andrena, it belongs to a diverse group of solitary, ground-nesting bees. The subspecies designation indicates geographic variation within the species Andrena pertristis.
Andrena pertristis pertristis
Aneflus prolixus fisheri
Aneflus prolixus fisheri is a subspecies of longhorn beetle described by Knull in 1934. It belongs to the tribe Elaphidiini within the subfamily Cerambycinae of Cerambycidae. The subspecies is distributed in North America and Middle America, with records from Mexico. Very little specific information is available about this subspecies beyond its taxonomic classification and geographic distribution.
Anomoea nitidicollis crassicornis
Anomoea nitidicollis crassicornis is a subspecies of leaf beetle in the family Chrysomelidae, described by Schaeffer in 1933. It belongs to a genus within a family known for herbivorous feeding habits on plant foliage. The subspecies is recorded from North America and Middle America, though specific ecological details remain poorly documented in available literature.
Anoplius americanus ambiguus
Anoplius americanus ambiguus is a subspecies of spider wasp in the family Pompilidae. As a member of the genus Anoplius, it belongs to a diverse group of solitary wasps that prey primarily on spiders. The subspecies was described by Dahlbom in 1845. Like other Anoplius species, it likely exhibits the characteristic behaviors of digging burrows, paralyzing spider prey, and provisioning nests for larval development.
Anthaxia caseyi pseudotsugae
Anthaxia caseyi pseudotsugae is a subspecies of jewel beetle (family Buprestidae) described by Chamberlin in 1928. It is distinguished from the nominate subspecies A. c. caseyi by its dark coloration rather than bright green. The subspecies has been collected in montane coniferous forests of the southwestern United States, particularly in New Mexico and Arizona, where adults are found on flowers of Rosa woodsii and other blooming plants in alpine habitats.
Anthocharis julia browningi
Utah Julia Orangetip
A subspecies of orangetip butterfly endemic to the western United States. The common name "Utah Julia Orangetip" indicates a geographic association with Utah, though precise range boundaries remain poorly documented. As a member of the Pieridae family, it shares the characteristic white or yellow wing bases with orange apical markings typical of the genus Anthocharis.
Anthocharis thoosa colorado
Anthocharis thoosa colorado is a subspecies of butterfly in the family Pieridae, described by Scott & Fisher in 2008. It was originally described as Anthocharis sara colorado. The taxon belongs to a genus commonly known as orangetips, recognized for the orange apical markings on the forewings of males. Information specific to this subspecies is extremely limited.
Anthonomus grandis thurberiae
Thurberia weevil, cotton boll weevil (Thurberia form)
Anthonomus grandis thurberiae is a subspecies of the cotton boll weevil, described by Pierce in 1913. It is distinguished from the nominate subspecies A. g. grandis primarily by its host plant association with wild cotton relatives, particularly Thurberia thespesioides, rather than cultivated cotton. The subspecies occurs in the southwestern United States and northwestern Mexico. It is treated in some literature as a distinct entity but is now generally regarded as part of the broader A. grandis species complex.
Apamea burgessi ona
A subspecies of cutworm moth in the family Noctuidae, distributed in the North American Great Plains. The nominate subspecies Apamea burgessi burgessi occurs in the eastern portion of the range, while A. burgessi ona occupies more western localities. Like other members of the genus Apamea, it is nocturnal and attracted to light sources. The species complex presents identification challenges due to individual variation and overlapping morphological traits with related taxa.
Apantesis nevadensis superba
Grammia nevadensis superba
Apantesis nevadensis superba is a subspecies of tiger moth in the family Erebidae, originally described as Arctia superba by Stretch in 1874. It belongs to a group of tiger moths formerly placed in the genus Grammia. The subspecies is part of the Apantesis nevadensis species complex, which includes moths with distinctive striped forewing patterns characteristic of tiger moths. Like other members of its genus, it possesses defensive compounds as a chemical defense against predators. The subspecies has been documented through limited observations, with records in iNaturalist indicating it is encountered infrequently.
Aphanisticus cochinchinae seminulum
Aphanisticus cochinchinae seminulum is a subspecies of jewel beetle in the family Buprestidae. The genus Aphanisticus comprises small, cylindrical buprestids often associated with monocot plants. This subspecies was described by Obenberger in 1929 and has been recorded from southern Asia and Hawaii. Members of this genus are typically collected by sweeping vegetation or beating host plants rather than at light traps.
Apodemia mejicanus pueblo
A subspecies of metalmark butterfly in the family Riodinidae, described by Scott in 1998. The subspecies epithet 'pueblo' suggests an association with the Pueblo, Colorado region or nearby areas. As a member of the genus Apodemia, it belongs to a group of small to medium-sized butterflies commonly known as metalmarks for their characteristic metallic spotting patterns.
Archodontes melanopus aridus
Willow Root Borer
Archodontes melanopus aridus is a subspecies of longhorn beetle (Cerambycidae: Prioninae) described by Casey in 1924. It is part of the Mallodonina subtribe within the Macrotomini tribe. The subspecies epithet 'aridus' suggests association with arid environments. Based on its placement within Archodontes melanopus, it likely shares the common name 'Willow Root Borer' with the nominate subspecies, indicating larval development in willow roots.
Arhopalus rusticus montanus
Arhopalus rusticus montanus is a subspecies of longhorned beetle in the family Cerambycidae, distributed across North America, Europe, and parts of Asia. The species is associated with coniferous forests and develops under the bark of dead or dying conifers. Adults are active during cooler periods, with some populations exhibiting winter activity patterns. This subspecies is part of a complex with Holarctic distribution, showing variation in host preferences across its range.
Ashmeadiella bucconis denticulata
Western Big-Cheeked Angled-Mason
Ashmeadiella bucconis denticulata is a subspecies of mason bee in the family Megachilidae. It is one of several subspecies within the Ashmeadiella bucconis species complex. The subspecies was originally described by Cresson in 1878 under the genus Heriades. Very few observations exist in citizen science databases, suggesting it may be uncommon or underreported.
Asterocampa celtis celtis
Eastern Hackberry Butterfly
Asterocampa celtis celtis is the nominate subspecies of the Hackberry Butterfly, a brush-footed butterfly in the family Nymphalidae. It is strongly associated with hackberry trees (Celtis spp.) throughout its life cycle, with larvae feeding exclusively on these host plants. The subspecies ranges across eastern North America, where it is a common and widespread resident of woodland edges and riparian corridors.
Asterocampa celtis reinthali
Florida Hackberry Butterfly
Asterocampa celtis reinthali is a subspecies of hackberry butterfly in the family Nymphalidae. It is recognized as the Florida Hackberry Butterfly, distinguishing it from other subspecies of A. celtis. Like other members of its genus, it is associated with hackberry (Celtis) host plants. The subspecies was described by Friedlander in 1988.
Athous rufiventris rectithorax
Athous rufiventris rectithorax is a subspecies of click beetle described by Reitter in 1908. It belongs to the genus Athous within the family Elateridae, a diverse group of beetles commonly known as click beetles due to their ability to right themselves using a prosternal process. The subspecies epithet 'rectithorax' suggests a characteristic related to thorax shape, though specific morphological distinctions from the nominate subspecies have not been documented in available sources. Very limited information exists regarding its biology, distribution, or ecological preferences.
Athous rufiventris rufiventris
Athous rufiventris rufiventris is a subspecies of click beetle in the family Elateridae, first described by Eschscholtz in 1822. The nominate subspecies is characterized by its reddish-orange ventral coloration, a trait reflected in its species epithet. As a member of the genus Athous, it possesses the family's characteristic elongated body form and the ability to perform the 'click' mechanism for righting itself when overturned. The subspecies is part of a complex that includes additional subspecies with variable coloration and distribution patterns.
Athous sierrae varius
Athous sierrae varius is a subspecies of click beetle described by Lane in 1971. It belongs to the family Elateridae, a large group of beetles characterized by their ability to spring into the air using a specialized prosternal process. As a member of the genus Athous, this taxon is part of a diverse Palearctic and Nearctic group of click beetles. The subspecies epithet "varius" suggests some degree of morphological variation from the nominate subspecies, though specific distinguishing features have not been documented in the available sources.
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.
Bembidion sejunctum semiaureum
A subspecies of ground beetle in the genus Bembidion, originally described by Fall in 1922. It belongs to the subgenus Peryphus within Bembidion. The taxon has a documented presence in North America and parts of Eurasia, with observational records from Canada and the United States. Like other members of its genus, it is a small predatory beetle inhabiting ground-level environments.
Bembidion sulcipenne hyperboroides
Bembidion sulcipenne hyperboroides is a subspecies of ground beetle in the family Carabidae. It was described by Carl H. Lindroth in 1963. The subspecies belongs to the species Bembidion sulcipenne, which is part of the subgenus Plataphus within the genus Bembidion. Very few observations exist for this taxon, with only two records documented on iNaturalist.
Bembidion sulcipenne prasinoides
Bembidion sulcipenne prasinoides is a subspecies of ground beetle in the family Carabidae, described by Lindroth in 1963. It belongs to the genus Bembidion, a large and diverse group of small carabid beetles commonly found in moist habitats. The subspecies is part of the Bembidion (Plataphus) species group. Distribution records indicate presence across northern regions including Alaska, Canada, Russia, and parts of the USA.
Bolbocerastes imperialis kansanus
Bolbocerastes imperialis kansanus is a subspecies of earth-boring dung beetle in the family Geotrupidae. Described by Cartwright in 1953, this subspecies is part of a group of beetles specialized for burrowing into soil. The genus Bolbocerastes contains species found in North America. As a member of the Bolboceratinae, this beetle likely exhibits the subfamily's characteristic adaptations for digging and subterranean life, though specific details for this subspecies remain poorly documented.
Boloria chariclea butleri
Butler's Fritillary
Boloria chariclea butleri is a subspecies of fritillary butterfly in the family Nymphalidae, commonly known as Butler's Fritillary. It belongs to a genus of butterflies typically associated with northern and montane habitats. The species Boloria chariclea has a Holarctic distribution, with subspecies butleri occurring in North America. Like other Boloria species, it is likely associated with moist meadow and tundra-edge habitats where larval host plants in the Violaceae family occur.
Boloria chariclea grandis
Purple Lesser Fritillary
Boloria chariclea grandis is a subspecies of fritillary butterfly in the family Nymphalidae. It is currently classified under the genus Boloria, though some sources place it in the genus Clossiana. The subspecies is recognized as a synonym in some taxonomic databases. It belongs to a group of butterflies commonly known as lesser fritillaries, which are typically associated with northern and montane habitats.
Boloria chariclea rainieri
Tacoma Fritillary
Boloria chariclea rainieri is a subspecies of fritillary butterfly in the family Nymphalidae, known by the common name Tacoma Fritillary. It was described by Barnes and McDunnough in 1913. GBIF lists this name as a synonym, with the accepted name placed in the genus Clossiana as Clossiana chariclea. The subspecies appears to be associated with the Pacific Northwest region of North America based on its epithet.
Boloria freija freija
Freija Fritillary
The Freija Fritillary (Boloria freija freija) is a subspecies of butterfly in the family Nymphalidae. It is found in both Europe and North America, with distribution records from Belarus and broader European regions as well as North American localities. As a member of the genus Boloria, it shares characteristics with other fritillary butterflies, including complex life cycles with specific host plant relationships. The subspecies is relatively poorly documented compared to congeners such as Boloria selene.
Bombus flavidus appalachiensis
A subspecies of the cuckoo bumble bee Bombus flavidus endemic to eastern North America, ranging from the Appalachian Mountains to the eastern boreal regions of the United States and far southeastern Canada. Described in 2021 following integrative taxonomic analysis that revealed this population as genetically and morphologically distinct from western North American and Palearctic populations. As a social parasite, this subspecies does not construct colonies or collect pollen but invades nests of other bumble bee species.
Bombus vancouverensis nearcticus
Nearctic Bumble Bee
Bombus vancouverensis nearcticus is a subspecies of bumble bee native to western North America. It belongs to a species complex that has undergone taxonomic revision, with some authorities previously treating it as a distinct species (Bombus nearcticus) or synonymizing it with related taxa. The subspecies occurs in montane and coastal regions where it participates in pollination networks. Like other bumble bees in the subgenus Pyrobombus, it exhibits social colony structure with a single queen founding nests in spring.
Brachiacantha quadripunctata
Four-spotted Spurleg
Brachiacantha quadripunctata is a small lady beetle in the family Coccinellidae, native to North America. Adults measure 2.5–4.0 mm and exhibit distinct sexual dimorphism in head coloration and elytral spot patterns. The species comprises two recognized subspecies with partially overlapping but distinct geographic ranges in the eastern and southeastern United States.
Brachiacantha quadripunctata flavifrons
A subspecies of lady beetle in the family Coccinellidae, distinguished by its yellowish frontal coloration. The specific epithet "flavifrons" (meaning yellow forehead) refers to this distinguishing facial characteristic. It belongs to a genus of small, often inconspicuous lady beetles that are typically associated with forest habitats and leaf litter environments.
Brassicogethes aeneus dauricus
Brassicogethes aeneus dauricus is a subspecies of pollen beetle in the family Nitidulidae. The nominate form, B. aeneus, is a significant agricultural pest of oilseed rape and other Brassicaceae crops across Europe and Asia. The subspecies dauricus is associated with the Daurian region of Transbaikalia in eastern Russia. Like other members of the genus, it is likely adapted to temperate climates with phenology tied to flowering periods of its host plants.
Brumoides septentrionis hogei
Brumoides septentrionis hogei is a subspecies of lady beetle (Coccinellidae) described by Gorham in 1894. It belongs to the genus Brumoides, a group of small, elongate lady beetles often associated with scale insects. The subspecific designation indicates geographic or morphological differentiation within the widespread species B. septentrionis. Very few observations exist in citizen science databases, suggesting either genuine rarity or undercollection.