Subspecies
Guides
Caecidotea racovitzai australis
Caecidotea racovitzai australis is a subspecies of freshwater isopod in the family Asellidae. It was originally described as Asellus racovitzai australis by Williams in 1970. The subspecies belongs to a genus of aquatic isopods commonly found in groundwater and cave habitats.
Calathus ruficollis
Red-collared Harp Ground Beetle
Calathus ruficollis is a flightless ground beetle in the family Carabidae, distributed across western North America from the California Floristic Province to the Pacific Northwest, with introduced populations in Hawaii. The species is nocturnal and predaceous, with four recognized subspecies showing distinct geographic ranges. Phylogeographic studies indicate limited genetic structure across its range despite flightlessness, suggesting recent range expansion or dispersal by walking.
Calathus ruficollis grandicollis
A subspecies of ground beetle in the family Carabidae, described by Casey in 1920. The subspecific epithet "grandicollis" (large neck) suggests a relatively large pronotum compared to other members of the species. As a member of the genus Calathus, it is likely a nocturnal, predatory beetle inhabiting ground-level environments.
Calathus ruficollis ruficollis
A flightless ground beetle subspecies distributed across southern California from Santa Barbara County to northern Baja California, including several Channel Islands. The subspecies is distinguished from the southern Sierra Nevada population (C. r. ignicollis) by genetic and geographic separation. Despite being flightless, populations show limited phylogeographic structure across the species' range, suggesting recent population expansion and gene flow across potential geographic barriers.
Callibaetis ferrugineus ferrugineus
Callibaetis ferrugineus ferrugineus is a subspecies of small minnow mayfly in the family Baetidae. As a member of the genus Callibaetis, it belongs to a group of mayflies commonly known as pond mayflies or speckled mayflies. The subspecies is distributed in the Nearctic region, with records from North America including Vermont in the United States. Like other Baetidae, it has a relatively short adult lifespan focused on reproduction.
Callibaetis ferrugineus hageni
Callibaetis ferrugineus hageni is a subspecies of mayfly in the family Baetidae. The genus Callibaetis comprises small minnow mayflies found in aquatic habitats across North America. As with other mayflies in this genus, this subspecies has a multi-stage life cycle involving aquatic nymphs and short-lived winged adults. The subspecific epithet honors Hermann Hagen, a prominent 19th-century entomologist.
Calloides nobilis mormonus
Calloides nobilis mormonus is a western North American subspecies of longhorn beetle (family Cerambycidae) in the tribe Clytini. The nominate subspecies C. n. nobilis occurs in eastern North America, while C. n. mormonus is restricted to western regions. This subspecies has been documented from burned coniferous forest habitats in Arizona and attracted to sweet red wine-baited traps. The species is associated with fire-damaged oak and conifer wood, suggesting a reliance on recently dead or stressed woody hosts.
Calloides nobilis nobilis
A North American longhorn beetle subspecies in the tribe Clytini. The subspecific epithet indicates this is the nominate form of Calloides nobilis. Records indicate presence in Canada and the United States.
Callophrys affinis affinis
Western Green Hairstreak, Immaculate Green Hairstreak
Callophrys affinis affinis, the western green hairstreak, is a subspecies of butterfly in the family Lycaenidae. It occurs in western North America, where adults have been observed in early summer. The subspecies is distinguished by its greenish wing coloration, typical of the green hairstreak group. Limited specific information exists for this subspecies separate from the broader species Callophrys affinis.
Callophrys affinis homoperplexa
Western Green Hairstreak
Callophrys affinis homoperplexa is a subspecies of the western green hairstreak butterfly, a member of the gossamer-winged family Lycaenidae. It occurs in western North America, where adults are active during spring and early summer. The subspecies is distinguished from related populations by subtle differences in wing pattern and coloration.
Callophrys dumetorum dumetorum
A subspecies of hairstreak butterfly in the family Lycaenidae, endemic to coastal California. It is one of at least two recognized subspecies within Callophrys dumetorum, with the nominate subspecies restricted to a narrower range than the species as a whole. The species is known by the common names bramble hairstreak or lotus hairstreak.
Callophrys gryneus castalis
Texas Hairstreak
Callophrys gryneus castalis is a subspecies of juniper hairstreak butterfly in the family Lycaenidae. It has been a subject of taxonomic debate regarding whether it warrants elevation to full species status based on mitochondrial DNA barcode divergence. The subspecies is associated with juniper and cedar habitats in parts of its range. Observations are relatively sparse, with limited documentation of its biology and ecology.
Callophrys gryneus gryneus
Olive Hairstreak, Juniper Hairstreak
Callophrys gryneus gryneus is a subspecies of the juniper hairstreak butterfly found in eastern North America. This small lycaenid butterfly is closely associated with juniper host plants, particularly species of Juniperus. The subspecific designation reflects geographic and phenotypic variation within the broader C. gryneus complex, which has been the subject of taxonomic debate regarding species boundaries. Adults are typically observed in spring and early summer.
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 irus arsace
Callophrys irus arsace is a historically reported subspecies of the frosted elfin butterfly, originally described from coastal regions of the southeastern United States (Carolinas and Virginia). Genetic analysis of preserved specimens found no evidence that this subspecies is genetically distinct from the nominate subspecies C. i. irus. Field surveys conducted in 2019 and 2021 failed to locate any extant populations within its historical range. The subspecies has not been observed in over two decades and may be extirpated.
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 niphon clarki
Callophrys niphon clarki is a subspecies of the eastern pine elfin butterfly, a member of the family Lycaenidae. The parent species, Callophrys niphon, is native to North America. This subspecies was described by T. Freeman in 1938. According to GBIF records, this name is currently treated as a synonym under the genus Incisalia as Incisalia niphon. Very few observations (4) of this subspecies have been recorded in iNaturalist, suggesting it is either rare, poorly surveyed, or taxonomically merged with related forms.
Callophrys sheridanii lemberti
Lembert's Hairstreak
Lembert's Hairstreak is a subspecies of the Sheridan's Hairstreak butterfly, first described by Tilden in 1963. It is classified within the family Lycaenidae, commonly known as gossamer-winged butterflies. The subspecies is endemic to California and is associated with specific host plant relationships typical of hairstreak butterflies.
Calosoma haydeni
Hayden's caterpillar hunter
Calosoma haydeni is a ground beetle species in the family Carabidae, described by Horn in 1870. It belongs to the genus Calosoma, commonly known as caterpillar hunters. Adults are brachypterous (short-winged), which limits their flight capability. The species occurs in Mexico and the southern United States, with two recognized subspecies showing distinct geographic distributions.
Camponotus conspicuus inaequalis
Camponotus conspicuus inaequalis is a subspecies of carpenter ant in the genus Camponotus, family Formicidae. It is recorded from the Galápagos Islands. As a member of the subgenus Myrmepomis, it likely shares traits with related taxa including arboreal nesting habits and distinctive pubescence, though specific documentation for this subspecies is limited.
Cantharis transmarina scopa
Cantharis transmarina scopa is a subspecies of soldier beetle in the family Cantharidae, first described by LeConte in 1866. As a member of the genus Cantharis, it belongs to a group commonly known as soldier beetles or leatherwings, recognized for their soft, flexible elytra and often contrasting color patterns. The subspecific epithet "scopa" refers to a brush-like structure, though its specific application to this taxon requires further investigation. Distribution records indicate presence in North America.
Carabus maeander maeander
Carabus maeander maeander is a subspecies of ground beetle described by Fischer von Waldheim in 1820. It belongs to the genus Carabus, one of the most species-rich genera of ground beetles. The subspecies occurs across a broad Holarctic range including parts of North America and Asia. As a member of the Carabidae family, it is presumed to be a predatory beetle based on the well-documented feeding ecology of the genus, though specific studies on this subspecies are limited.
Carabus taedatus agassii
Carabus taedatus agassii is a subspecies of ground beetle in the family Carabidae, described by LeConte in 1850. It belongs to the genus Carabus, one of the most species-rich genera of ground beetles. The subspecies is distributed across northern North America including Alaska, Canada, and the contiguous United States. As a member of the subgenus Tanaocarabus, it inhabits cool temperate to boreal environments.
Cardiocondyla emeryi obscurior
Cardiocondyla emeryi obscurior is a subspecies of ant in the genus Cardiocondyla, a group known for morphological and behavioral diversity particularly among male ants. The genus Cardiocondyla contains small, often inconspicuous ants with wide geographic distributions. This subspecies designation indicates taxonomic differentiation within the widespread C. emeryi species complex.
Catocala badia coelebs
The Old Maid Underwing
Catocala badia coelebs is a subspecies of underwing moth in the family Erebidae, commonly known as The Old Maid Underwing. Like other members of the genus Catocala, it is characterized by cryptic forewings that conceal brightly colored hindwings, which are exposed when the moth is disturbed. The subspecies was described by Grote in 1874 and is known from northeastern North America.
Catocala faustina cleopatra
Catocala faustina cleopatra is a subspecies of underwing moth in the genus Catocala, family Erebidae. Like other underwings, it possesses cryptic forewings that conceal brightly colored hindwings, which are revealed when the moth is disturbed. The subspecies was described by Strecker in 1874. Underwing moths are notable for their distinctive defensive display behavior and are popular among lepidopterists.
Catocala ilia zoe
Ilia Underwing
Catocala ilia zoe is a subspecies of underwing moth in the family Erebidae, native to western North America. It is one of several subspecies of Catocala ilia, a widespread North American underwing moth known for its cryptic forewings and brightly colored hindwings. The subspecies was described by Behr in 1874. Like other underwings, it is nocturnal and attracted to light sources.
Catocala pretiosa texarkana
Catocala pretiosa texarkana is a subspecies of underwing moth in the family Erebidae, described by Brower in 1976. As a member of the genus Catocala, it shares the characteristic trait of cryptic, bark-mimicking forewings that conceal brightly patterned hindwings. The subspecific epithet "texarkana" suggests an association with the Texarkana region spanning Texas and Arkansas. Like other underwing moths, it is nocturnal and attracted to light sources.
Celastrina echo sidara
echo azure, western azure
Celastrina echo sidara is a subspecies of the echo azure butterfly, originally described by Clench in 1944. It belongs to the family Lycaenidae, commonly known as the gossamer-winged butterflies. The subspecies is currently treated as a synonym of Celastrina ladon in some taxonomic databases, reflecting ongoing taxonomic uncertainty within the Celastrina echo species complex. As a member of the Polyommatinae subfamily, it shares characteristics with other 'blue' butterflies.
Ceratagallia humilis alvarana
Ceratagallia humilis alvarana is a subspecies of leafhopper in the family Cicadellidae, described by Hamilton in 1998. It belongs to the tribe Agalliini within the subfamily Megophthalminae. The subspecies epithet "alvarana" suggests an association with alvar habitat—limestone plains with thin soil cover—though this ecological connection has not been explicitly documented in the provided sources. The taxonomic status of this subspecies is accepted in the Catalogue of Life, though GBIF lists it as a synonym under the genus Aceratagallia.
Ceratagallia siccifolia alaskana
Ceratagallia siccifolia alaskana is a subspecies of leafhopper in the family Cicadellidae, tribe Agalliini. It belongs to a genus characterized by distinctive morphological features including enlarged pronotal structures. As a member of the Megophthalminae subfamily, it shares traits with other ceratagalliine leafhoppers that feed on plant vascular tissues. The subspecies epithet 'alaskana' indicates a geographic association with Alaska, distinguishing it from the nominate subspecies C. s. siccifolia.
Ceratagallia siccifolia compressa
Ceratagallia siccifolia compressa is a subspecies of leafhopper described by Hamilton in 1998. As a member of family Cicadellidae, it is a true bug in the order Hemiptera. Leafhoppers in this genus are typically associated with herbaceous plant hosts.
Cerceris flavofasciata floridensis
Cerceris flavofasciata floridensis is a subspecies of the crabronid wasp C. flavofasciata, described by Banks in 1915. It is currently treated as a synonym in taxonomic databases. The parent species belongs to a genus of solitary, ground-nesting predatory wasps that specialize on particular beetle prey. While specific information for this subspecies is sparse, congeners such as C. fumipennis have been extensively studied for their role in biosurveillance of invasive buprestid beetles.
Cerceris intricata graphica
Cerceris intricata graphica is a subspecies of wasp in the family Crabronidae, first described by Frederick Smith in 1873. It belongs to the genus Cerceris, a group of solitary wasps known for their specialized prey-capture behavior. Members of this genus dig underground nests and provision them with paralyzed insects for their larvae. The subspecies is distributed in Middle America and South America.
Ceropales maculata stretchii
Ceropales maculata stretchii is a subspecies of spider wasp in the family Pompilidae, described by Fox in 1892. As a member of the genus Ceropales, it belongs to a group of wasps known for their kleptoparasitic behavior, laying eggs in spiders already paralyzed by other spider wasps. The subspecies has been recorded from Belgium, Denmark, and Norway, suggesting a European distribution.
Ceuthophilus guttulosus angulosus
Camel cricket, Cave cricket
Ceuthophilus guttulosus angulosus is a subspecies of camel cricket in the family Rhaphidophoridae. As a member of the genus Ceuthophilus, it shares traits with other American camel crickets: wingless adults, humpbacked appearance, and elongated antennae adapted for navigation in dark environments. This subspecies has been documented in several eastern and midwestern U.S. states. Like other camel crickets, it is primarily associated with cool, damp, dark habitats and is nocturnal in activity.
Ceuthophilus guttulosus guttulosus
camel cricket, cave cricket
Ceuthophilus guttulosus guttulosus is a subspecies of camel cricket in the family Rhaphidophoridae. Like other members of the genus Ceuthophilus, it is wingless and possesses exceptionally long antennae adapted for navigation in dark environments. The species exhibits the characteristic hump-backed appearance that gives camel crickets their common name. This subspecies has been recorded from several eastern and midwestern U.S. states.
Ceuthophilus guttulosus nigricans
Ceuthophilus guttulosus nigricans is a subspecies of camel cricket in the family Rhaphidophoridae. Like other members of the genus Ceuthophilus, it is wingless, nocturnal, and adapted to dark, humid environments. The subspecies designation indicates darker coloration compared to the nominate form. It has been recorded in the eastern United States from Indiana to North Carolina.
Chauliognathus discus texanus
Chauliognathus discus texanus is a subspecies of soldier beetle in the family Cantharidae. Soldier beetles, also known as leatherwings, are recognized by their soft, flexible elytra and typically aposematic coloration of black with orange, red, or yellow markings. This subspecies belongs to a genus containing multiple species distributed across North America, with adults commonly observed on flowers where they feed on nectar, pollen, and small arthropod prey. The subspecies epithet 'texanus' indicates a geographic association with Texas or the broader south-central region of the United States.
Chimarocephala pacifica pacifica
A subspecies of band-winged grasshopper in the family Acrididae, known for its complex acoustic and visual communication behaviors. Males produce sounds by rubbing the inner surface of the hind femora against the tegmina. Sexual behavior is mediated through cyclic female receptivity phases, with males employing stridulations, vibrations, and visual signals to communicate with both sexes.
Chlaenius pennsylvanicus blanditus
A subspecies of ground beetle in the family Carabidae. Belongs to the genus Chlaenius, a group of predatory beetles commonly known as violet ground beetles or bombardier beetles. The subspecies epithet 'blanditus' was established by Casey in 1920. As a member of Licininae, it shares traits with other Chlaenius species including chemical defense capabilities and predatory habits.
Chlorostrymon simaethis sarita
Sarita Hairstreak
Chlorostrymon simaethis sarita is a subspecies of hairstreak butterfly in the family Lycaenidae, historically described from Baja California. It is currently treated as a synonym under Chlorostrymon simaethis, though some sources maintain it as a valid subspecies. The name honors its type locality and has been subject to taxonomic revision.
Chlosyne palla altasierra
High Sierra Checkerspot
Chlosyne palla altasierra is a subspecies of checkerspot butterfly in the family Nymphalidae, described by Emmel, Emmel & Mattoon in 1998. It is known by the common name High Sierra Checkerspot. The subspecies is recognized as valid and accepted in taxonomic databases. As a member of the genus Chlosyne, it belongs to a group of butterflies commonly known as crescents and checkerspots, which are characterized by their orange and black patterned wings.
Chlosyne palla palla
Chlosyne palla palla is a subspecies of checkerspot butterfly in the family Nymphalidae. It is found in North America. The species belongs to a genus of brush-footed butterflies commonly known as the checkerspots or crescents. Limited observational records exist for this particular subspecies.
Chlosyne rosita browni
Chlosyne rosita browni is a subspecies of checkerspot butterfly described by Bauer in 1961. It belongs to the genus Chlosyne, a group of brush-footed butterflies commonly known as checkerspots. The subspecies is part of the larger species Chlosyne rosita, which occurs in North America. Like other members of the Nymphalidae family, it exhibits the characteristic reduced front legs of brush-footed butterflies.
Choristoneura lambertiana
sugar pine tortrix, sugar pine tortrix moth
Choristoneura lambertiana, commonly known as the sugar pine tortrix, is a tortricid moth native to western North America. The species exhibits pronounced host-specific variation across its range, with three recognized subspecies each associated with different pine hosts: C. l. lambertiana on sugar pine (Pinus lambertiana), C. l. ponderosana on ponderosa pine (P. ponderosa) and limber pine (P. flexilis), and C. l. subretiniana on lodgepole pine (P. contorta) and Jeffrey pine (P. jeffreyi). Populations have been documented as outbreak defoliators of lodgepole pine in Idaho and Montana during the mid-to-late 1960s.
Chrysobothris ephedrae vogti
Chrysobothris ephedrae vogti is a subspecies of jewel beetle in the family Buprestidae. It belongs to the Chrysobothris femorata species-group, a complex of closely related species that have historically been difficult to distinguish. The subspecies was described by Knull in 1964. Like other members of its genus, it is likely associated with woody host plants, though specific biological details for this subspecies remain poorly documented.
Chrysobothris purpureovittata cercocarpi
Chrysobothris purpureovittata cercocarpi is a subspecies of jewel beetle described from a population at Cloudcroft, New Mexico, associated exclusively with mountain mahogany (Cercocarpus montanus). It is distinguished from the nominate subspecies by having an entirely red pronotum and uniformly dark elytra. The species belongs to a genus where most members exhibit host specificity, though the nominate subspecies is notably polyphagous. This western population represents a rare case of host specialization within an otherwise generalist species.
Chrysobothris socialis apache
Chrysobothris socialis apache is a subspecies of jewel beetle (family Buprestidae) described by Westcott & Barr in 2007. It belongs to the large genus Chrysobothris, which contains numerous North American species associated with woody plants. The subspecies is part of the Chrysobothris socialis species complex. Like other members of this genus, it likely develops as a larva in the wood of living or dead trees and shrubs, with adults active during the warmer months. The subspecific epithet "apache" suggests a southwestern U.S. distribution, potentially associated with Apache tribal lands or geographic regions in Arizona, New Mexico, or adjacent areas.
Chrysomela knabi
Knab's Leaf Beetle
Chrysomela knabi is a leaf beetle species in the family Chrysomelidae, first described by Brown in 1956. It is a willow-feeding specialist found in North America, with two recognized subspecies: C. k. knabi and C. k. hesperia. The species has been studied for its larval performance and adult fitness in relation to host plant quality and moisture content.