Data-deficient
Guides
Bisulcopsallus fulvipunctatus
Bisulcopsallus fulvipunctatus is a species of plant bug in the family Miridae, described by Knight in 1964. It belongs to the genus Bisulcopsallus, a group of small predatory or phytophagous true bugs within the suborder Heteroptera. The species is known from Arizona, USA. Like other mirids, it possesses piercing-sucking mouthparts characteristic of the family. Published biological and ecological information for this species is extremely limited.
Blepharepium sonorensis
Sonora Hanging Thief
Blepharepium sonorensis is a species of robber fly in the family Asilidae, commonly known as the Sonora Hanging Thief. It was described by Papavero & Bernardi in 1973. The species belongs to the genus Blepharepium, which is characterized by distinctive predatory behaviors typical of robber flies. As with other Asilidae, this species is likely an aerial predator of other insects. Very few observations of this species have been recorded, with only 3 documented observations in iNaturalist as of the available data.
Bombus cockerelli
Cockerell's Bumble Bee, Cockerell's Bumblebee
Bombus cockerelli is a bumble bee species with the smallest known range of any bumble bee species worldwide, restricted to high-elevation localities in the White Mountains of New Mexico. First described in 1913 from six specimens, it remained unobserved between 1956 and 2011. Fewer than 30 specimens have ever been collected. The species was once considered a potential subspecies, but fresh specimens now allow for genetic analysis to resolve its taxonomic status. Its entire range falls within protected U.S. National Forest and tribal lands.
Bombus natvigi
High Arctic Bumble Bee
Bombus natvigi is a cuckoo bumble bee endemic to the Nearctic Arctic, recognized as a distinct species from Bombus hyperboreus in 2015 based on genetic analysis. It is a brood parasite that invades colonies of Bombus polaris, using pheromones to manipulate host workers into rearing its offspring. The species is currently listed as Data Deficient by the IUCN Red List, reflecting limited knowledge of its population status and ecology. Its taxonomic status remains debated, with some subsequent studies treating it as a subspecies of B. hyperboreus.
Bombylius pygmaeus
Pygmy Bee Fly
Bombylius pygmaeus is a small species of bee fly in the family Bombyliidae, commonly known as the Pygmy Bee Fly. The species was described by Fabricius in 1781 and is currently recognized as a valid species. It is reported from North America (Canada and the United States) and also from China, though details of its biology remain poorly documented. As a member of the genus Bombylius, it likely shares the general life history pattern of parasitism on solitary bee larvae, but specific host associations have not been established.
Brachyserphus abruptus
Brachyserphus abruptus is a species of parasitoid wasp in the family Proctotrupidae, a group of small wasps that attack beetle larvae. The genus Brachyserphus is distinguished by reduced wing venation and compact body form. Very few observations of this species exist, reflecting its cryptic habits and likely specialized ecological requirements.
Bradycellus nigerrimus Lindroth, 1968
Prairie Black Harp Ground Beetle
Bradycellus nigerrimus is a species of ground beetle in the family Carabidae, first described by Lindroth in 1968. It occurs in North America, with records from both Canada and the United States. The species is known by the common name Prairie Black Harp Ground Beetle. Very few observations exist in public databases, with only three records documented on iNaturalist.
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.
Bruneria yukonensis
Yukon slant-faced grasshopper, Yukon Grasshopper
Bruneria yukonensis is a species of slant-faced grasshopper in the family Acrididae. It is endemic to Yukon, Canada. As a member of the genus Bruneria, it belongs to a group of grasshoppers characterized by their slanted facial profile. The species was described by Vickery in 1969. Very little specific biological information has been published for this species.
Bryolymnia anthracitaria
Bryolymnia anthracitaria is a small noctuid moth described in 2007 from southeastern Arizona. It is one of the more recently described species in the genus Bryolymnia, a group of moths historically associated with moss and lichen habitats. The species remains poorly known, with fewer than ten verified observations documented.
Bycombia verdugoensis
Bycombia verdugoensis is a moth in the family Drepanidae, and the sole member of its genus. It was described by Hill in 1927 based on specimens from California. The species is known from extremely few records, with only two observations documented on iNaturalist. Its biology and ecology remain largely unknown due to this scarcity of data.
Byrrhodes granus
Byrrhodes granus is a small beetle species first described by LeConte in 1878. It belongs to the family Ptinidae, a group commonly known as spider beetles or deathwatch beetles. The species is documented from North America, though specific details about its biology remain poorly known.
Byrsopages villosus
Byrsopages villosus is a species of weevil in the family Curculionidae, subfamily Entiminae, described by Boheman in 1842. The genus Byrsopages belongs to the tribe Byrsopagini, a group of broad-nosed weevils. Distribution records indicate presence in the Holarctic region, specifically Alaska and Kamchatka. Very little detailed biological information is available for this species.
Cacotherapia leucocope
A small North American snout moth described by Harrison Gray Dyar Jr. in 1917. Known only from Colorado with a wingspan of approximately 18 mm. Belongs to the family Pyralidae, subfamily Galleriinae.
Caecidotea tomalensis
Tomales Bay isopod
Caecidotea tomalensis is a freshwater isopod in the family Asellidae, commonly known as the Tomales Bay isopod. It is known from California, United States, and is one of relatively few described species in the genus Caecidotea. The species was described in 1877 by Harford. Like other asellid isopods, it is likely benthic and adapted to aquatic environments, though specific ecological details remain poorly documented.
Caenocara blanchardi
desert cockroach
Caenocara blanchardi is a species of desert cockroach described by Fall in 1905. It belongs to the family Ptinidae (formerly treated as Anobiidae), a group of beetles commonly known as spider beetles or deathwatch beetles. The species is known from arid regions of western North America, with records from British Columbia, Canada. Very little is known about its specific biology or ecology.
Caenocara tenuipalpum
desert cockroach
Caenocara tenuipalpum is a small beetle species in the family Ptinidae (formerly Anobiidae), first described by Fall in 1905. The common name "desert cockroach" is a misnomer, as this is a beetle, not a cockroach. It is known from North America with very few documented observations.
Callimoxys nigrinus
Callimoxys nigrinus is a longhorn beetle (Cerambycidae) described in 2011 from the western United States. The species is known from limited collections and remains poorly documented in the scientific literature. Its biology and ecology have not been formally studied.
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.
Caloparyphus crucigerus
Caloparyphus crucigerus is a species of soldier fly (family Stratiomyidae) described by Coquillett in 1902. It belongs to the tribe Oxycerini, a group of small to medium-sized flies often associated with wetland and riparian habitats. The species is rarely documented, with only two observations recorded on iNaturalist as of the knowledge cutoff. Like other members of its family, the larvae likely develop in moist or aquatic environments.
Calophya oweni
A small psyllid in the family Calophyidae, described by Tuthill in 1939. Very little published information exists on this species. The few available records suggest it occurs in western North America. As with other Calophya species, it likely develops on specific host plants, though these remain undocumented for this particular species.
Calopompilus deceptus
Calopompilus deceptus is a species of spider wasp in the family Pompilidae. The genus Calopompilus contains species that are specialized predators of spiders, with females paralyzing their prey to provision nests for their larvae. Very little specific information is documented for C. deceptus; the species has been recorded from only two observations on iNaturalist, indicating it is rarely encountered or underreported. As with other members of its genus, it is presumed to be a solitary hunting wasp with specialized predatory behavior.
Calosima lucidella
Calosima lucidella is a small moth species in the family Blastobasidae. It is currently documented only from Florida in the United States. The species is known from a limited number of observations, and many aspects of its biology remain unstudied. It belongs to a genus of moths whose larvae are often associated with plant material or detritus.
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.
Calythea micropteryx
Calythea micropteryx is a species of root-maggot fly in the family Anthomyiidae, originally described by Thomson in 1869. The species epithet "micropteryx" refers to reduced or small wings. Very few observations of this species exist in public databases, with only three records on iNaturalist, indicating it is either genuinely rare, cryptic, or underreported.
Campoctonus
Campoctonus is a genus of ichneumon wasps in the family Ichneumonidae, first described by Viereck in 1912. The genus belongs to the diverse parasitoid wasp lineage within Hymenoptera. As of current records, the genus has been rarely documented, with only three observations on iNaturalist. Species in this genus are presumed to be parasitoids of other insects, consistent with the biology of their family, though specific host relationships remain undocumented.
Camptopsilus
Camptopsilus is a genus of minute parasitoid wasps in the family Diapriidae, first described by Kieffer in 1908. The genus is currently considered doubtful in taxonomic status, suggesting uncertainty regarding its validity or placement. Members of Diapriidae are generally small, slender wasps that develop as parasitoids of various insects, particularly flies and beetles. The genus is represented by very few observations, with only 17 records documented on iNaturalist.
Caplothorax californicus
Caplothorax californicus is a species of beetle in the family Nitidulidae, commonly known as sap beetles. The genus Caplothorax is a small and poorly studied group within this family. Very little published information exists regarding the biology, ecology, or distribution of this particular species. The specific epithet "californicus" indicates a type locality or primary association with California.
Capraita pervittata
Capraita pervittata is a species of flea beetle in the family Chrysomelidae, first described by Blake in 1927. The species is known from North America. Like other flea beetles, it possesses enlarged hind femora adapted for jumping. Available information about this species is extremely limited.
Carinodulinka
Carinodulinka is a genus of beetles in the family Coccinellidae, established by Slipinski and Tomaszewska in 2002. The genus is currently classified as doubtful in GBIF, indicating taxonomic uncertainty or pending revision. No species observations have been recorded in iNaturalist, and little published information is available regarding its biology or distribution. It belongs to the lady beetle family but its precise placement and distinguishing characteristics remain poorly documented.
Carmenta apache
Carmenta apache is a clearwing moth in the family Sesiidae, described by George Paul Engelhardt in 1946. The species is known exclusively from Arizona, United States, with only two observations recorded in iNaturalist. As a member of the clearwing moth group, it likely exhibits wasp-mimicking morphology typical of the family, though specific details remain undocumented in available sources.
Carphoides inconspicuaria
Carphoides inconspicuaria is a North American moth in the family Geometridae, first described in 1916. It belongs to the subfamily Ennominae, a diverse group of geometer moths commonly known as inchworms or loopers due to their larval locomotion. The species is recorded from limited observations, suggesting it may be genuinely scarce or underreported.
Carposina simulator
Carposina simulator is a moth species in the family Carposinidae, described by Donald R. Davis in 1969. The species is known from a single location in Arkansas, USA, and belongs to a family whose larvae typically bore into fruits or plant tissues. Very little is known about its biology, appearance, or ecological role.
Carptima hydriomenata
Carptima hydriomenata is a rare moth and the sole member of its genus. It was first described by Pearsall in 1906 and is known only from Arizona. The species belongs to the family Geometridae, a large group of moths commonly called inchworms or geometer moths due to their larvae's characteristic looping gait. Its restricted range and limited number of observations make it one of the more poorly documented geometrid moths in North America.
Catadelphops
Catadelphops is a genus of parasitoid wasps in the family Ichneumonidae, established by Heinrich in 1962. It belongs to the superfamily Ichneumonoidea, one of the largest groups of parasitoid wasps. The genus is poorly documented in published literature, with minimal available information on its biology and species diversity. Records indicate it has been rarely observed, with only two observations documented on iNaturalist.
Cathetopteron
Cathetopteron is a genus of longhorn beetles in the family Cerambycidae, subfamily Lamiinae, and tribe Hemilophini. The genus is monotypic, containing only the single species Cathetopteron amoena described by Hamilton in 1896. Very little information is available about this genus beyond its taxonomic placement.
Cathetopteron amoena
Cathetopteron amoena is a species of longhorn beetle (family Cerambycidae) described by Hamilton in 1896. It is the sole member of its genus, placing it among the many monotypic genera within the diverse subfamily Lamiinae. The species belongs to the tribe Hemilophini, a group characterized by often striking coloration and patterns. Very few observations of this species exist in public databases, suggesting it is either genuinely rare, undercollected, or restricted in distribution.
Catocha barberi
Catocha barberi is a species of gall midge in the family Cecidomyiidae, first described by E.P. Felt in 1913. The species belongs to the subfamily Lestremiinae and tribe Catochini. Very little published information exists regarding its biology, ecology, or distribution. The genus Catocha comprises small, delicate flies whose larvae are typically associated with fungal substrates or decaying organic matter.
Celina slossoni
Celina slossoni is a species of predaceous diving beetle (family Dytiscidae) found in North America. As a member of the subfamily Hydroporinae and tribe Methlini, it belongs to one of the most diverse lineages of diving beetles. Very little specific information is documented about this species beyond its taxonomic description.
Cephalochrysa similis
Cephalochrysa similis is a species of soldier fly in the family Stratiomyidae, described by James in 1936. It belongs to the subfamily Sarginae and is one of several species in the genus Cephalochrysa, a group characterized by distinctive head morphology. The species is known from the United States, though specific details about its biology and ecology remain poorly documented in published literature. Soldier flies in this family are generally associated with moist or aquatic habitats, with larvae typically developing in decaying organic matter.
Ceratagallia humilis
Canadian Clover Leafhopper
Ceratagallia humilis is a leafhopper species in the family Cicadellidae, first described by Oman in 1933. It is commonly known as the Canadian Clover Leafhopper. The species has been recorded from Alabama, Kansas, and New Hampshire in the United States. Very limited ecological or behavioral information is available for this species.
Ceratomia igualana
Ceratomia igualana is a hawkmoth in the family Sphingidae. It is known from a limited number of specimens collected from Mexico to Costa Rica. The species exhibits sexual dimorphism in size, with females notably larger than males. Biological details including larval host plants, adult behavior, and complete life history remain undocumented due to its rarity in collections.
Cerceris crucis
Cerceris crucis is a solitary crabronid wasp described in 1904. Like other members of the genus Cerceris, this species is a ground-nesting predatory wasp that provisions its burrows with paralyzed insect prey. The specific prey preferences and detailed biology of C. crucis remain poorly documented compared to better-studied congeners such as C. fumipennis.
Cerodontha enigma
Cerodontha enigma is a species of leaf miner fly in the family Agromyzidae. The specific epithet "enigma" suggests this species presents identification challenges or has puzzling characteristics. As a member of the genus Cerodontha, its larvae likely develop within leaf tissues of grasses or related plants. The species is known from a small number of observations, indicating it may be rarely encountered or underreported.
Cerotainiops kernae
Cerotainiops kernae is a species of robber fly (Asilidae) described by Martin in 1959. The genus Cerotainiops contains small, slender robber flies often associated with arid or semi-arid environments. As a member of the Asilidae family, it is presumed to be a predatory insect, though specific behavioral and ecological data for this species remain undocumented in published literature.
Ceuthophilus chiricahuae
Chiricahua cave cricket
Ceuthophilus chiricahuae is a species of camel cricket (family Rhaphidophoridae) endemic to North America. The species was described by Hubbell in 1936 and is named for the Chiricahua Mountains region. Like other members of the genus Ceuthophilus, it is wingless and adapted to cool, dark, moist habitats. Very few observations of this species have been recorded, with only six documented occurrences in biodiversity databases.
Ceuthophilus variegatus
variegated camel cricket
Ceuthophilus variegatus is a camel cricket species described by Scudder in 1894. Like other members of the genus Ceuthophilus, it possesses the characteristic humpbacked appearance, extraordinarily long antennae, and powerful hind legs that define camel crickets. The species is recorded from northeastern Mexico and Texas, placing it in the southern portion of the genus's North American range. As with other Ceuthophilus species, it likely inhabits dark, damp environments including caves, woodlands, and human structures.
Ceutorhynchus zimmermannii
Ceutorhynchus zimmermannii is a species of weevil in the family Curculionidae, first described by Gyllenhal in 1837. The species is recorded from central Canada, specifically the provinces of Manitoba, Ontario, and Saskatchewan. As a member of the large genus Ceutorhynchus, it belongs to a group of weevils commonly known as cabbage seedpod weevils or stem weevils, many of which are associated with brassicaceous host plants. Available information on this species is limited, with no observations recorded on iNaturalist and minimal published biological data.
Chararica annuliferella
Chararica annuliferella is a species of snout moth in the family Pyralidae, first described by Harrison Gray Dyar Jr. in 1905. It belongs to the subfamily Phycitinae, a diverse group of small moths often associated with dried plant material. The species is recorded from North America, though specific details about its biology remain poorly documented.
Chemsakiella ricei
Chemsakiella ricei is a species of longhorn beetle in the family Cerambycidae, described by Chemsak in 1984. The genus Chemsakiella was established to honor the entomologist John A. Chemsak, and the species epithet ricei honors Dr. Eleanor Spicer Rice, an entomologist and science communicator. As a member of the tribe Trachyderini, it belongs to a group of cerambycids often associated with woody plants. The species is known from very few observations, with limited published information on its biology.