United-states
Guides
Paraphlepsius eburneolus
Paraphlepsius eburneolus is a leafhopper species in the family Cicadellidae, subfamily Deltocephalinae. It is recorded from the eastern and central United States, with distribution records from Florida, Georgia, Illinois, Indiana, and Kansas. The species was described by Osborn and Lathrop in 1923.
Paraphlepsius rileyi
Paraphlepsius rileyi is a species of leafhopper in the family Cicadellidae, first described by Baker in 1898. It belongs to the subfamily Deltocephalinae and tribe Pendarini. The species has been recorded from multiple U.S. states including Arkansas, Florida, Georgia, Illinois, and Kansas. Like other leafhoppers, it is a small, plant-feeding insect with piercing-sucking mouthparts.
Paraphlepsius rossi
Paraphlepsius rossi is a species of leafhopper in the family Cicadellidae, first described by DeLong in 1938. It belongs to the subfamily Deltocephalinae and tribe Pendarini. The species has been recorded from several states in the eastern and central United States.
Parapsammodius puncticollis
Parapsammodius puncticollis is a species of aphodiine dung beetle in the family Scarabaeidae. The species was described by LeConte in 1858. It has been recorded from the southwestern United States and Mexico.
Pardosa atromedia
Pardosa atromedia is a species of thin-legged wolf spider in the family Lycosidae. It is found in the United States. As a member of the genus Pardosa, it shares the characteristic long leg spines and elevated cephalothorax typical of this diverse and abundant group of wolf spiders. The species was described by Banks in 1904.
Pardosa metlakatla
thin-legged wolf spider
Pardosa metlakatla is a species of thin-legged wolf spider in the family Lycosidae, first described by Emerton in 1917. As a member of the genus Pardosa, it belongs to one of the most abundant and widespread wolf spider genera in North America. The species occurs in the United States and Canada, with confirmed records from Alberta and British Columbia. Like other Pardosa species, it is characterized by long, perpendicular leg spines and a preference for moist habitats near water.
Pardosa modica
Little Banded Wolf Spider
Pardosa modica is a species of wolf spider in the family Lycosidae, commonly known as the Little Banded Wolf Spider. It is one of approximately 65 Pardosa species recognized in the United States and 75 species north of Mexico. As a member of the 'thin-legged wolf spiders,' it is characterized by distinctive leg spines and is typically small to medium in size. The species is distributed across the United States and Canada, including records from Alberta and Manitoba.
Pardosa orophila
Pardosa orophila is a species of thin-legged wolf spider in the family Lycosidae, first described by Gertsch in 1933. The species is found in the United States and Mexico. Like other members of the genus Pardosa, it is a ground-dwelling, cursorial hunter. Specific details about its ecology and behavior remain poorly documented in published sources.
Parectopa bumeliella
Parectopa bumeliella is a leaf-mining moth in the family Gracillariidae, first described by Annette Frances Braun in 1939. The species is known from the south-central United States, with confirmed records in Kentucky, Arkansas, and several adjacent states. Larvae feed on Sideroxylon species, creating mines in the leaves of their host plants.
Pareuidella triloba
Pareuidella triloba is a species of planthopper in the family Delphacidae, first described by Metcalf in 1923. The species belongs to a family whose members are commonly known as delphacid planthoppers, many of which are associated with grasses and sedges. Distribution records indicate presence in the southeastern and central United States.
Parthenicus pictus
Painted Parthenicus
Parthenicus pictus is a species of plant bug in the family Miridae, first described by Knight in 1925. It is commonly known as the Painted Parthenicus, referencing its distinctive coloration. The species belongs to the suborder Heteroptera within the order Hemiptera, placing it among the true bugs with piercing-sucking mouthparts. It is a member of the large and diverse family Miridae, which contains over 10,000 described species of plant bugs.
Patara n-sp-fl
Patara n-sp-fl is an undescribed species within the genus Patara, a group of moths in the family Noctuidae (subfamily Erebidae). The 'n-sp-fl' designation indicates a provisional species name used in collections or databases prior to formal description, with 'fl' likely referring to Florida as the geographic origin of the type material. Species in this genus are generally medium-sized moths with relatively plain forewings and subtle patterning. Formal description and characterization of this entity await taxonomic revision.
Patara vanduzei
Patara vanduzei is a species of planthopper in the family Derbidae, described by Ball in 1902. It belongs to the tribe Patarini within the subfamily Otiocerinae. The species has been recorded across multiple states in the eastern and southeastern United States. Like other derbids, it is presumed to feed on plant phloem sap, though specific host plant associations remain undocumented.
Pelegrina exigua
Pelegrina exigua is a species of jumping spider in the family Salticidae, first described by Nathan Banks in 1892. It is native to the United States. As a member of the Salticidae, it possesses the characteristic large anterior median eyes that provide acute vision for hunting and navigation. The genus Pelegrina includes numerous small to medium-sized jumping spiders distributed primarily in North America.
Penthesilea sacculalis
Long-snouted Penthesilea Moth
A small pyralid moth with a wingspan of 13–17 mm, found across the southeastern and southwestern United States. The species exhibits dark brown to fuscous forewings with occasional reddish-brown overscaling at the basal angle. Two subspecies are recognized: the nominate form and P. s. baboquivariensis, restricted to Arizona.
Perigracilia delicata
Perigracilia delicata is a species of longhorn beetle (Cerambycidae) described by Knull in 1942. It belongs to the tribe Graciliini, a group characterized by generally slender body forms. The genus Perigracilia is a small taxon within the cerambycid subfamily Cerambycinae. Published information on this species is extremely limited, with records restricted to basic taxonomic documentation.
Periploca cata
Periploca cata is a small moth in the family Cosmopterigidae, described by Ronald W. Hodges in 1962. It is known from a limited distribution in the central United States, specifically Illinois and Arkansas. The species has a documented association with Gymnosporangium galls on Juniperus species, where its larvae feed.
Peronyma quadrifasciata
Peronyma quadrifasciata is a species of tephritid fruit fly in the family Tephritidae. It is known from the United States. The genus Peronyma is placed in the tribe Dithrycini within subfamily Tephritinae. Very little specific information about this species' biology, ecology, or morphology has been documented in available sources.
Phaea canescens
Phaea canescens is a species of longhorn beetle (Cerambycidae) described by John Lawrence LeConte in 1852. It belongs to the subfamily Lamiinae and tribe Tetraopini. The species is known from the United States, though specific details about its biology, host associations, and ecology remain poorly documented in the available literature.
Phanias harfordi
Phanias harfordi is a species of jumping spider (family Salticidae) native to the United States. As a salticid, it possesses the characteristic large anterior median eyes that provide acute vision for hunting and navigation. The species has been documented across multiple observation platforms with hundreds of verified records.
Pheidole elecebra
Pheidole elecebra is an ant species endemic to the United States. It is a workerless inquiline, meaning it lives within the nests of another ant species without producing a worker caste of its own. The species is entirely dependent on its host, Pheidole ceres, for colony maintenance and survival.
Pheidole inquilina
Pheidole inquilina is a species of ant in the genus Pheidole, first described by Wheeler in 1903. It is endemic to the United States. The species belongs to the hyperdiverse genus Pheidole, which contains over 1,000 species globally and is characterized by pronounced worker polymorphism with distinct major and minor worker castes.
Phidippus carneus
Phidippus carneus is a species of jumping spider in the family Salticidae. It occurs in the United States and Mexico. The species was described by Peckham & Peckham in 1896.
Phidippus texanus
Phidippus texanus is a species of jumping spider in the family Salticidae, first described by Banks in 1906. It is found in the United States and Mexico, though specific details about its biology, appearance, and ecology are poorly documented in the available literature. As a member of the genus Phidippus, it belongs to a group of relatively large, visually oriented jumping spiders known for their active hunting behavior and complex courtship displays.
Phidippus tyrannus
Phidippus tyrannus is a species of jumping spider in the family Salticidae, first described by G.B. Edwards in 2004. It occurs in the United States and Mexico. As a member of the genus Phidippus, it belongs to a group of relatively large, visually oriented jumping spiders known for their distinctive coloration and active hunting behavior. The specific epithet "tyrannus" suggests a reference to dominance or size, though the etymology has not been explicitly documented in available sources.
Philodromus laticeps
running crab spider
Philodromus laticeps is a species of running crab spider in the family Philodromidae. It is native to the United States. As a member of the genus Philodromus, it exhibits the characteristic laterigrade leg orientation typical of running crab spiders, allowing sideways movement.
Philodromus lutulentus
Philodromus lutulentus is a running crab spider in the family Philodromidae, described by Gertsch in 1934. As a member of the genus Philodromus, it shares the characteristic laterigrade leg orientation that distinguishes this group from other crab spiders. The species epithet 'lutulentus' refers to something muddy or turbid, possibly alluding to coloration or habitat associations. Like other philodromids, it is an active hunter that does not build webs to capture prey.
Philodromus marxi
Metallic Crab Spider
Philodromus marxi is a running crab spider in the family Philodromidae, commonly known as the metallic crab spider. The species exhibits strong sexual dimorphism: males have a smooth, metallic sheen while females are bristly and colored white and grey. It is found throughout the United States and is frequently encountered in human dwellings, including bathrooms and showers.
Philodromus mineri
running crab spider
Philodromus mineri is a species of running crab spider in the family Philodromidae, first described by Gertsch in 1933. It is found in the United States. Running crab spiders in this genus are characterized by their laterigrade leg orientation, which allows them to move sideways with agility. The specific epithet honors an individual named Miner, though the etymological details are not documented in available sources.
Philodromus pinyonelis
Philodromus pinyonelis is a species of running crab spider in the family Philodromidae, described by Schick in 1965. As a member of the genus Philodromus, it belongs to a group of spiders commonly known as "running crab spiders" that are frequently encountered on vegetation and human structures. The species is documented from the United States, though specific details about its biology and ecology remain sparse in published literature.
Philodromus quercicola
Philodromus quercicola is a species of running crab spider in the family Philodromidae, described by Schick in 1965. It belongs to a genus of active hunters that do not build webs to capture prey. The species is found in the United States, though specific details about its biology and ecology remain poorly documented.
Phyllonorycter olivaeformis
A micro-moth in the family Gracillariidae with a wingspan of approximately 6.5 mm. The species is known from the northeastern and midwestern United States. Larvae are leaf miners that feed on pecan (Carya illinoinensis).
Phyllophaga forbesi
Phyllophaga forbesi is a species of scarab beetle in the family Scarabaeidae, described by Glasgow in 1916. It belongs to the genus Phyllophaga, commonly known as May or June beetles, which contains numerous species of soil-dwelling scarabs. The species is found in North America, with records from the south-central and southeastern United States.
Phyllophaga prununculina
Phyllophaga prununculina is a species of scarab beetle in the family Scarabaeidae, commonly known as a May beetle or June beetle. It belongs to a large genus of over 400 North American species. Like other members of Phyllophaga, it has a life cycle involving soil-dwelling larval stages that feed on plant roots and above-ground adult stages that feed on foliage. The species is found in the southeastern and mid-Atlantic United States.
Phyllophaga quercus
Phyllophaga quercus is a species of May beetle in the family Scarabaeidae, native to the eastern and central United States. Like other members of the genus Phyllophaga, it is a soil-dwelling scarab with larvae that feed on plant roots. The species name 'quercus' (Latin for oak) suggests a potential association with oak trees, though specific ecological relationships remain poorly documented. Adults are nocturnal and attracted to lights. The species occurs across a broad geographic range from the Atlantic coastal states westward to Texas and Oklahoma.
Phyllophaga sylvatica
Phyllophaga sylvatica is a species of scarab beetle in the family Scarabaeidae, described by Sanderson in 1942. Like other members of the genus Phyllophaga (commonly called May/June beetles), this species is likely nocturnal and attracted to lights. The species epithet "sylvatica" suggests an association with woodland or forest habitats. Based on distribution records, it occurs across a broad swath of the central and eastern United States.
Phylloscelis pallescens
Phylloscelis pallescens is a species of planthopper in the family Dictyopharidae, first described by Germar in 1839. It belongs to the tribe Phylloscelini, characterized by leaf-like body forms. The species has been recorded in several central and southeastern U.S. states including Arkansas, Florida, Illinois, Iowa, and Kansas.
Phymatodes blandus
Phymatodes blandus is a species of longhorned beetle in the family Cerambycidae. It is found in the United States. The species was formerly divided into subspecies, with P. blandus concolor recognized as a full species following nomenclatural revisions by Swift and Ray (2010).
Phymatodes infuscatus
Phymatodes infuscatus is a species of longhorn beetle in the family Cerambycidae. It is one of 26 currently recognized species in the genus Phymatodes in North America. The genus is most diverse in western North America, and P. infuscatus is among the species that remains poorly represented in collections. The species was described by LeConte in 1859.
Phymatodes lengi
Phymatodes lengi is a species of longhorn beetle in the family Cerambycidae, described by Joutel in 1911. It is a member of the genus Phymatodes, which is most diverse in the western United States and Canada. The species is found in the United States, though specific details about its biology and ecology remain poorly documented. It is one of 26 species currently recognized in the genus in North America.
Phymatodes vilitatis
Phymatodes vilitatis is a species of longhorn beetle in the family Cerambycidae, first described by Linsley in 1940. It is distributed in the United States. The genus Phymatodes is part of the tribe Callidiini within the subfamily Cerambycinae. Like other members of this genus, it is associated with woody plants, though specific host relationships for this species remain poorly documented.
Physonota disjuncta
Physonota disjuncta is a tortoise beetle in the subfamily Cassidinae, first recorded in the United States in 2024. This species belongs to the tribe Ischyrosonychini and represents a significant range extension from its previously known distribution in Middle America. The first U.S. record was accompanied by documentation of a host plant association, though specific details remain limited in available sources.
Phytocoris buenoi
Phytocoris buenoi is a species of plant bug in the family Miridae, described by Knight in 1920. It belongs to a large genus of mostly plant-feeding true bugs. The species is known from the northeastern United States, with records from New York, Connecticut, Massachusetts, and West Virginia. Like other members of the genus Phytocoris, it is likely primarily phytophagous, feeding on plant sap with piercing-sucking mouthparts.
Phytocoris canadensis
Phytocoris canadensis is a mirid plant bug in the family Miridae, described by Van Duzee in 1920. The genus Phytocoris comprises mostly plant-feeding true bugs that are typically gray or brown in coloration. Some Phytocoris species have been observed to occasionally prey on smaller insects.
Phytocoris nigricollis
Phytocoris nigricollis is a mirid plant bug in the family Miridae, first described by Knight in 1923. The specific epithet "nigricollis" refers to the black collar, a distinctive color pattern feature. Like other members of the genus Phytocoris, this species is primarily plant-feeding but may occasionally prey on smaller insects. It is known from scattered records across the eastern United States.
Phytomyza aldrichi
Phytomyza aldrichi is a species of leaf-mining fly in the family Agromyzidae, described by Spencer in 1986. The species is known from the northeastern United States, with records from Vermont and Idaho. Like other members of the genus Phytomyza, the larvae likely feed internally within leaf tissue, creating characteristic mines.
Phytomyza ovalis
Phytomyza ovalis is a species of leaf miner fly in the family Agromyzidae. The species was described by Griffiths in 1975. As a member of the genus Phytomyza, it belongs to a group of flies whose larvae feed within plant leaves, creating distinctive mines or trails. The specific epithet 'ovalis' likely refers to some oval characteristic of the species, though the original description would be needed to confirm this.
Phytomyza penstemonis
Phytomyza penstemonis is a species of leaf-mining fly in the family Agromyzidae, described by Spencer in 1969. The species is recorded from the United States. As a member of the genus Phytomyza, it likely produces serpentine leaf mines in host plant foliage, though specific details regarding its biology and host associations remain poorly documented in the available literature.
Phytomyza tigris
Phytomyza tigris is a leaf-mining fly in the family Agromyzidae, described in 2018 by Eiseman and Lonsdale. As a member of the genus Phytomyza, it likely exhibits the characteristic leaf-mining larval behavior typical of this diverse group of flies. The species has been recorded from Vermont, United States. Like other Phytomyza species, it probably develops within leaf tissue, with larvae creating distinctive feeding galleries between the upper and lower leaf surfaces.
Pidonia densicollis
Pidonia densicollis is a species of flower longhorn beetle (subfamily Lepturinae) in the family Cerambycidae. It is distributed in the United States. The species was described by Casey in 1914. As a member of the Rhagiini tribe, it likely shares the flower-visiting habits common to many lepturines, though specific behavioral observations for this species are limited.