Poorly-known-species
Guides
Phyllophaga invisa
Phyllophaga invisa is a species of scarab beetle in the family Scarabaeidae, described by Riley and Wolfe in 1995. It belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which is one of the most species-rich genera of beetles in North America with over 400 species. The species is known from Texas, USA, and represents part of the diverse scarab fauna of the Nearctic region. Like other members of its genus, it is likely a root-feeding species with subterranean larval stages and aerial adults.
Phyllophaga pusillidens
Phyllophaga pusillidens is a species of scarab beetle in the family Scarabaeidae, first described by Fall in 1937. It belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which contains over 400 species in North America. The species is poorly documented in scientific literature, with minimal information available regarding its biology, ecology, or distribution beyond basic taxonomic records.
Physocnemum violaceipenne
Physocnemum violaceipenne is a species of longhorned beetle in the family Cerambycidae, subfamily Cerambycinae, and tribe Callidiini. The species was described by Hamilton in 1896. It belongs to a genus whose members are known for ant- or wasp-mimicking appearance and behavior, though specific details for this particular species remain poorly documented in the available literature. The genus name Physocnemum refers to the swollen or enlarged scape of the antennae characteristic of these beetles.
Phytomyza tarnwoodensis
Phytomyza tarnwoodensis is a species of leaf-mining fly in the family Agromyzidae, described from Vermont, USA in 2018. The species is known from limited collection records and appears to be associated with woody plants. Like other Phytomyza species, it likely produces serpentine or blotch mines in leaves during larval development. The specific epithet references the type locality.
Pityokteines sparsus
Pityokteines sparsus is a species of bark beetle in the family Curculionidae, described by Wood & Bright in 1992. The species is known from scattered records across northern North America including the Canadian provinces of Alberta, Manitoba, New Brunswick, and Labrador. As a member of the genus Pityokteines, it is associated with coniferous hosts, though specific biological details for this species remain poorly documented. The limited number of observations suggests it may be uncommon or underrecorded.
Platynota texana
Platynota texana is a small tortricid moth described in 2012. The species is known only from Texas, United States. The wingspan measures approximately 14 mm. Very little is known about its biology, life history, or host associations.
Platynota viridana
A small tortricid moth with a wingspan of 13–18 mm, known from limited records in the southwestern and southeastern United States. First described in 1920 by William Barnes and August Busck. The species epithet 'viridana' suggests green coloration, though specific color pattern details are not documented in available sources.
Platynota yumana
Platynota yumana is a small moth species in the family Tortricidae, commonly known as leafroller moths. It is known only from the southwestern United States, specifically Arizona and California. The species has a wingspan of approximately 15 mm. Like other members of its genus, it likely has larvae that feed on plant material, though specific host records for this species are not documented.
Plectrodes pubescens
Plectrodes pubescens is a species of scarab beetle in the family Scarabaeidae, subfamily Melolonthinae. Described by Horn in 1867, this species is known from California, USA. Very little is known about its biology or ecology. The genus Plectrodes contains few species and is poorly studied compared to related melolonthine genera.
Pococera subcanalis
Cloaked Pococera Moth
Pococera subcanalis, known as the Cloaked Pococera Moth, is a species of snout moth in the family Pyralidae, subfamily Epipaschiinae. The species was described by Francis Walker in 1863. It belongs to a genus whose larvae include leaf-rolling caterpillars, though specific details for this species remain poorly documented. The common name suggests a cryptic or concealing wing pattern.
Pristiphora banksi
Pristiphora banksi is a species of sawfly in the family Tenthredinidae, subfamily Nematinae. As a member of the genus Pristiphora, it belongs to a diverse group of sawflies commonly associated with various tree and shrub hosts. The species is documented in entomological records but specific biological details remain limited in available literature. Sawflies in this genus are typically herbivorous, with larvae feeding on leaves of their host plants.
Prolita geniata
Prolita geniata is a small gelechiid moth described by Ronald W. Hodges in 1966. It is known from a restricted range in the western United States, specifically California and Nevada. The species exhibits distinctive wing patterning with brown forewings that lighten to buff white at the tips, marked by nearly black discal spots. Very few observations of this species have been documented.
Protoperigea calientensis
A small noctuid moth described by Mustelin in 2006, known from limited records in North America. Belongs to the genus Protoperigea within the subfamily Noctuinae. Specific details regarding its biology and ecology remain poorly documented.
Psellidotus novella
Psellidotus novella is a soldier fly species in the family Stratiomyidae, subfamily Stratiomyinae. The genus Psellidotus belongs to the tribe Stratiomyini, a group characterized by aquatic larvae and adults that often exhibit striking eye patterns. Species in this genus are poorly known in the Neotropics, with most known only from original descriptions. The specific epithet "novella" suggests a relatively recent description, though detailed published information on this particular species remains limited.
Pseudopentarthrum simplex
Pseudopentarthrum simplex is a species of true weevil in the beetle family Curculionidae, described by Thomas L. Casey in 1892. It is a small weevil species found in North America. Very little detailed biological information is publicly available for this species. It belongs to a genus whose members are typically associated with dead or decaying wood.
Pseudotelphusa quercinigracella
A small gelechiid moth described by Chambers in 1872. Records indicate presence in the eastern and central United States. Specific biology remains poorly documented.
Retinia picicolana
Retinia picicolana is a small moth species in the family Tortricidae, first described from Mexico by Harrison G. Dyar in 1906. It belongs to a genus whose larvae are predominantly associated with coniferous trees, particularly pines. The species remains poorly documented in published literature, with most available information derived from taxonomic databases rather than ecological studies.
Rhyssomatus texanus
Rhyssomatus texanus is a species of true weevil in the beetle family Curculionidae. It is found in North America. The species was described by Sleeper in 1954. Beyond this basic taxonomic information, little detailed biological or ecological data is available for this specific species in the provided sources.
Ripiphorus neomexicanus
Ripiphorus neomexicanus is a species of wedge-shaped beetle in the family Ripiphoridae, a group known for their unusual life history involving hypermetamorphosis and parasitism of other insects. The species epithet "neomexicanus" suggests a geographic association with New Mexico, though the full distribution and biology of this species remain poorly documented. Like other members of Ripiphorus, this species likely exhibits the family's characteristic extreme sexual dimorphism and complex larval development. The genus Ripiphorus is among the most derived lineages within the Ripiphoridae, with adults typically active during summer months.
Rivellia micans
Rivellia micans is a species of signal fly in the family Platystomatidae, first described by Loew in 1873. Like other members of its genus, it belongs to a group known for their distinctive wing-waving behavior. The species is poorly documented in scientific literature, with only two observations recorded in iNaturalist. Most biological information about Rivellia species remains unknown or inferred from better-studied congeners.
Rivellia munda
Rivellia munda is a species of signal fly in the family Platystomatidae, described by Namba in 1956. As a member of this family, it likely exhibits the characteristic wing-waving behavior used for intraspecific communication. The genus Rivellia includes species associated with leguminous plants, where larvae feed on nitrogen-fixing root nodules. However, specific details regarding R. munda's biology, host associations, and distribution remain poorly documented in available literature.
Rosenus decurvus
Rosenus decurvus is a species of leafhopper in the family Cicadellidae, subfamily Deltocephalinae, described from British Columbia in 1975. As a member of the tribe Paralimnini, it belongs to a group of grass-associated leafhoppers. The species is known from limited collection records and its specific biology remains poorly documented.
Rysepyris subtilis
Rysepyris subtilis is a species of sand wasp in the family Bembicidae. The genus Rysepyris belongs to the tribe Bembicini, a group of solitary wasps known for their ground-nesting behavior and predatory habits. Species in this genus are poorly documented in the primary literature, with most information derived from museum specimens and taxonomic catalogs. The specific epithet 'subtilis' suggests subtle or delicate characteristics, though the precise morphological basis for this naming is not clearly documented in available sources.
Sanctanus fusconotatus
Sanctanus fusconotatus is a species of leafhopper in the family Cicadellidae, subfamily Deltocephalinae. It was described by Osborn in 1922. The species belongs to the genus Sanctanus, a group of small, active insects commonly associated with grasses and herbaceous vegetation. Very little specific information is documented about the biology or ecology of this particular species.
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brumalis
Sanfilippodytes brumalis is a small predaceous diving beetle in the family Dytiscidae, described by Brown in 1930. The species belongs to the subfamily Hydroporinae, a group of generally small dytiscids. It occurs in northern North America, with records from Labrador and Québec in Canada. As a member of Dytiscidae, it is aquatic and predatory, though specific natural history details remain poorly documented.
Sarasota plumigerella
Sarasota plumigerella is a species of moth in the family Pyralidae, subfamily Phycitinae, first described by George D. Hulst in 1900. The genus Sarasota is monotypic, containing only this single species. Like other members of the Phycitinae, it is presumed to be a small moth with larvae that likely feed on plant material, though specific life history details remain poorly documented. The species epithet and genus name reference Sarasota, Florida, suggesting a type locality or association with this region.
Scatella arizonensis
Scatella arizonensis is a species of shore fly in the family Ephydridae, described by Cresson in 1935. The genus Scatella comprises small flies commonly associated with aquatic or semi-aquatic habitats. As a member of the Ephydridae, this species is part of a diverse family of true flies adapted to various wet environments. Very few specific details are documented about this particular species beyond its taxonomic description.
Sciota delassalis
Sciota delassalis is a species of snout moth in the family Pyralidae, subfamily Phycitinae. The genus Sciota includes several species of leafroller moths whose larvae feed on various tree species. S. delassalis is a poorly documented species with minimal published information available beyond taxonomic records. It belongs to a group of moths that are ecologically significant as prey for parasitoid wasps, including mason wasps such as Monobia quadridens.
Scotobaenus parallelus
Scotobaenus parallelus is a species of darkling beetle in the family Tenebrionidae, described by John Lawrence LeConte in 1859. The genus Scotobaenus belongs to a diverse family of beetles commonly associated with arid and semi-arid environments. Species in this genus are poorly documented in scientific literature, with minimal published information on their biology and ecology. The species is known from Mexico based on distribution records.
Sideridis uscripta
uscripta dart moth
Sideridis uscripta is a species of dart moth in the family Noctuidae, described by Smith in 1891. It is a small to medium-sized noctuid moth found in the northern Great Plains of North America. The species is poorly documented in scientific literature, with limited information available on its biology and ecology. It is one of approximately 20 species in the genus Sideridis, a group of noctuine moths primarily distributed across the Holarctic region.
Smicraulax tuberculatus
Smicraulax tuberculatus is a species of weevil in the family Curculionidae, described by W.D. Pierce in 1908. It belongs to a genus of small weevils within the hyperdiverse Curculionidae, the largest family of beetles. The species is currently provisionally accepted in taxonomic databases and has been recorded from North America. Very little specific biological information is available for this particular species.
Smicronyx vestitus
Smicronyx vestitus is a species of true weevil in the beetle family Curculionidae, first described by Casey in 1892. The genus Smicronyx includes seed weevils that are associated with sunflowers and other plants in the Asteraceae family. Some congeners, such as Smicronyx fulvus and Smicronyx sordidus, are recognized agricultural pests of sunflower crops. The specific biology and host associations of S. vestitus remain poorly documented in published literature.
Sobarocephala interrupta
Sobarocephala interrupta is a species of fly in the family Clusiidae, described by Sabrosky and Steyskal in 1974. It belongs to the subfamily Sobarocephalinae. The species is currently accepted in taxonomic databases but appears to be poorly known, with no documented observations in iNaturalist and minimal published information about its biology or distribution.
Spharagemon bunites
Spharagemon bunites is a species of band-winged grasshopper in the family Acrididae, described by Otte in 1984. It belongs to the subfamily Oedipodinae, tribe Trimerotropini, a group characterized by banded or colored hind wings that are often concealed at rest. The species is known from California and is considered present in North America, though detailed biological information remains limited.
Sphenophorus hoegbergii
Sphenophorus hoegbergii is a species of billbug weevil in the family Dryophthoridae, originally described by Boheman in 1845. It is recorded from North America, though specific details regarding its biology, host associations, and economic significance remain poorly documented in the available literature. The species belongs to a genus containing numerous agricultural pests, but direct evidence linking this particular species to crop damage is absent.
Sphenophorus minimus
lesser billbug
Sphenophorus minimus, commonly known as the lesser billbug, is a species of weevil in the family Dryophthoridae. It is native to North America, with documented records from Canada (Ontario, Québec) and the United States (Vermont). As a member of the genus Sphenophorus, it belongs to a group of billbugs that are significant turfgrass pests, though specific details about its biology and economic impact remain limited compared to better-studied congeners.
Steatoda palomara
Steatoda palomara is a species of cobweb spider in the family Theridiidae. It is known only from the United States, with records from North America. The species was described by Chamberlin & Ivie in 1935. Like other members of the genus Steatoda, it is presumed to construct irregular tangled webs typical of theridiid spiders.
Tachyta falli
Tachyta falli is a small ground beetle species in the family Carabidae, first described by Hayward in 1900. It belongs to the tribe Bembidiini within the subfamily Trechinae. The species is known from North America, with records from both the United States and Canada. Like other members of its genus, it is likely associated with moist or riparian habitats, though specific ecological details remain poorly documented.
Temnocerus aeratoides
Temnocerus aeratoides is a species of leaf-rolling weevil described by Legalov in 2003. It belongs to the family Attelabidae, a group of weevils known for their distinctive behavior of rolling or folding leaves to create protective chambers for their eggs and larvae. The species name 'aeratoides' suggests a resemblance to species in the related genus Aeratus. As a recently described species with no recorded observations in major biodiversity databases, its biology remains poorly documented.
Temnocerus levirostris
Temnocerus levirostris is a species of leaf-rolling weevil in the family Attelabidae, described by Legalov in 2003. Members of this genus are associated with deciduous trees and are known for their distinctive rostrum morphology. The specific epithet 'levirostris' refers to characteristics of the rostrum. As a relatively recently described species with no documented observations in major biodiversity databases, its biology remains poorly known.
Tenebroides marginatus
Tenebroides marginatus is a species of beetle in the family Trogossitidae, commonly known as bark-gnawing beetles. The genus Tenebroides includes species associated with dead or decaying wood and bark habitats. Very limited information is available for this particular species.
Thereva brunnea
stiletto fly
Thereva brunnea is a species of stiletto flies in the family Therevidae, described by Cole in 1923. Very little specific information is documented about this species. It belongs to a family of predatory flies characterized by their slender, pointed bodies and distinctive wing venation. The genus Thereva contains numerous species, many of which are poorly studied and difficult to identify without specialist examination.
Thysanoes texanus
Thysanoes texanus is a species of bark beetle in the family Curculionidae, described by Blackman in 1943. It belongs to a genus of typical bark beetles, though specific details about its biology and ecology remain poorly documented. The species is known to occur in North America.
Tinea mandarinella
Mandarin Tinea Moth
Tinea mandarinella is a species of fungus moth in the family Tineidae, described by Dietz in 1905. Like other members of the genus Tinea, it belongs to an ancient lineage of moths adapted to specialized feeding habits. The species has been documented in Ohio, USA, with limited published information on its biology compared to better-known relatives such as the casemaking clothes moth (Tinea pellionella).
Torymus californicus
Torymus californicus is a species of chalcid wasp in the family Torymidae, first described by Ashmead in 1886. The species is recorded from the United States. Torymidae are primarily parasitoids associated with gall-forming insects and other hosts. Specific biological details for this species remain poorly documented in available literature.
Tricholita bisulca
Tricholita bisulca is a species of noctuid moth described by Grote in 1881. It belongs to the tribe Eriopygini within the subfamily Noctuinae. The species is known from North America, though specific details about its biology remain poorly documented. It is one of approximately 15 species in the genus Tricholita, a group of medium-sized noctuid moths whose members are often challenging to distinguish without close examination.
Trigonorhinus riddelliae
Trigonorhinus riddelliae is a species of fungus weevil in the family Anthribidae. It belongs to the tribe Eugonini, which comprises small to medium-sized weevils often associated with fungal substrates. The genus Trigonorhinus is characterized by its distinctive triangular rostrum shape. This species is part of a poorly studied group of North American anthribids with limited published biological information.
Trirhabda manisi
Trirhabda manisi is a species of skeletonizing leaf beetle in the family Chrysomelidae, first described by Hogue in 1971. Like other members of the genus Trirhabda, it is expected to feed on leaves of specific host plants, skeletonizing the tissue between the veins. The species is known from North America, though specific details about its biology and distribution remain poorly documented. It is one of approximately 30 species in the genus Trirhabda, most of which are associated with Asteraceae host plants.
Trixoscelis cinerea
Trixoscelis cinerea is a species of small fly in the family Heleomyzidae, first described by Coquillett in 1902. It belongs to the subfamily Trixoscelidinae, a group of flies whose biology remains poorly documented. The species name "cinerea" refers to an ash-gray coloration. Like other members of its genus, it is likely associated with decaying organic matter, though specific ecological details are scarcely recorded in scientific literature.
Tyloderma pseudofoveolatum
hidden snout weevil
Tyloderma pseudofoveolatum is a species of hidden snout weevil described by Wibmer in 1981. It belongs to the family Curculionidae, one of the largest families of beetles. The species is found in North America. Very few observations of this species have been documented.