Synonym
Guides
Orthoris crotchii
Orthoris crotchii is a weevil species described by John Lawrence LeConte in 1876. It is currently classified as an ambiguous synonym of Rhoptobaris scolopax (Fabricius, 1792). The species has been documented in western Canada, with records from Alberta, British Columbia, and Saskatchewan. As a member of Curculionidae, it belongs to one of the most diverse families of beetles, though specific biological details for this particular taxon remain poorly documented.
Ospriocerus aeacus
Ospriocerus aeacus is a robber fly species in the family Asilidae. Current taxonomic consensus treats this name as a synonym of Ospriocerus abdominalis (Say, 1824), with the latter name having priority. The species has been used frequently in literature under the O. aeacus designation, but this usage is now considered taxonomically unnecessary. As a member of the genus Ospriocerus, it belongs to a group of large, wasp-mimicking robber flies associated with grassland habitats in western North America.
Ospriocerus brevis
Ospriocerus brevis is a species of robber fly in the family Asilidae, described by Martin in 1968. The species is currently recognized as a synonym of Stenopogon brevis in some taxonomic databases. Robber flies in the genus Ospriocerus are large, predatory flies associated with grassland habitats in western North America.
Ospriocerus tenebrosus
Dark robber fly
Ospriocerus tenebrosus is a species of robber fly in the family Asilidae. The species was originally described by Coquillett in 1904 under the genus Stenopogon and later transferred to Ospriocerus. It is currently recognized as a synonym of Stenopogon tenebrosus in some taxonomic databases, reflecting ongoing taxonomic uncertainty or reclassification within the Stenopogoninae subfamily. As a member of the robber flies, it belongs to a predatory group of dipterans known for their aerial hunting behavior and distinctive morphology.
Ospriocerus tequilae
Ospriocerus tequilae is a species of robber fly in the family Asilidae, described by Martin in 1968. The genus Ospriocerus contains large, wasp-mimicking robber flies found in grassland habitats of western North America. The specific epithet 'tequilae' presumably refers to the type locality in Mexico. The species is currently treated as a synonym of Stenopogon tequilae in some taxonomic databases, reflecting ongoing taxonomic uncertainty in the classification of this group.
Ovatus
Ovatus is a genus of aphids in the family Aphididae, currently treated as a synonym of Ovatomyzus. The genus was historically recognized for species associated with various host plants, though modern taxonomic revisions have consolidated many of these into Ovatomyzus. Records indicate distribution in parts of Europe including Denmark, Norway, and Sweden.
Ovatus crataegarius
Hawthorn-Mint Aphid
Ovatus crataegarius, commonly known as the Hawthorn-Mint Aphid, is an aphid species in the family Aphididae. Its taxonomic status is marked as doubtful or ambiguous synonym in major databases, with some sources suggesting it may be synonymous with Ovatus mentharius. The species has been recorded from the Azores islands and parts of Brazil.
Oxyporus lateralis
Oxyporus lateralis is a species of rove beetle in the family Staphylinidae, originally described by Gravenhorst in 1802. The species is currently treated as a synonym of Pseudoxyporus lateralis, reflecting taxonomic revisions within the Oxyporinae subfamily. It is distributed across eastern North America, with records from Canada and the United States. Like other members of Oxyporinae, it is associated with fungal habitats, particularly mushrooms.
Oxyporus quinquemaculatus
A rove beetle in the family Staphylinidae, currently classified under the genus Pseudoxyporus. The species name refers to five spots. This small beetle belongs to the subfamily Oxyporinae, a group of fungi-associated rove beetles.
Palpita atrisquamalis
Gracile Palpita Moth
Palpita atrisquamalis is a moth in the family Crambidae, currently treated as a synonym of Palpita gracilalis. It is known from western and south-central North America, ranging from California eastward to Texas and Oklahoma. The species belongs to the subfamily Spilomelinae, a diverse group of snout moths.
Panaphidina
Panaphidina is a subtribe within the aphid tribe Panaphidini, family Aphididae. It was established by Oestlund in 1923 and is currently treated as a synonym in modern taxonomic databases. The subtribe encompasses certain aphid genera historically grouped together based on morphological similarities. Members belong to the subfamily Calaphidinae, a diverse group of aphids found primarily in the Northern Hemisphere.
Pandemis borealis
Pandemis borealis is a species of tortricid moth described by Diakonoff in 1960. It is currently recognized as a synonym of Pandemis refracta. The species has been recorded from limited locations in northeastern North America, specifically Ontario and Maine. As a member of the leafroller moth family Tortricidae, its larvae likely feed on foliage of woody plants, though specific host associations remain undocumented.
Paranoplium gracile gracile
Paranoplium gracile gracile is a subspecies of longhorn beetle in the family Cerambycidae, tribe Oemini. Originally described by LeConte in 1881, it is currently treated as a synonym in modern taxonomic databases. The species is known from North America, with records from the United States. As a cerambycid, it belongs to a diverse family of wood-boring beetles, though specific biological details for this subspecies remain poorly documented.
Parapergandea
Parapergandea is a genus of phylloxerids (family Phylloxeridae) in the order Hemiptera, established by Börner in 1930. It is currently treated as a synonym of Phylloxera Boyer de Fonscolombe, 1834. The genus was erected to accommodate species resembling Phylloxera but with distinct morphological features, though subsequent taxonomic revisions have subsumed these taxa under Phylloxera. Records attributed to Parapergandea have been reported from Scandinavia (Denmark, Norway, Sweden) and the northeastern United States (Vermont).
Parapergandea caryaevenae
Parapergandea caryaevenae is a species of phylloxerid insect originally described by Fitch in 1856. It is currently recognized as a synonym of Phylloxera caryaevenae. The species belongs to the family Phylloxeridae, a group of small, sap-feeding insects closely related to aphids.
Pemphigus longicornis
Pentodontini
rhinoceros beetles
Pentodontini is the most diverse tribe within the subfamily Dynastinae (rhinoceros beetles), containing over 100 genera distributed across multiple biogeographic regions. Most genera are restricted to a single biogeographic region. The tribe is characterized by substantial morphological diversity, with generic-level identification often relying on mouthpart morphology in females and secondary sexual characters (horns, claw modifications, antennal club length) in males.
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nigridens
Phaeogenes nigridens is a species of ichneumon wasp described by Wesmael in 1845. The species is currently treated as a synonym of Tycherus nigridens. It belongs to the family Ichneumonidae, a large group of parasitoid wasps. Records indicate presence in Denmark, Norway, and the conterminous United States.
Phalacropsis
Phalacropsis is a genus of moths in the family Drepanidae, established by Swinhoe in 1895. It is currently treated as a synonym of Liocrops. The genus belongs to the subfamily Drepaninae, commonly known as hook-tip moths, characterized by distinctive wing shapes.
Philhygra clemens
Philhygra clemens is a rove beetle species in the family Staphylinidae, originally described by Casey in 1910. The species is currently treated as a synonym of Atheta clemens in some taxonomic databases, reflecting ongoing revisions within the large and taxonomically complex genus Atheta and its related genera. It is a small beetle with distribution records across northern North America.
Philhygra palustris
Philhygra palustris is a rove beetle (family Staphylinidae) originally described by Kiesenwetter in 1844. The species is currently recognized as a synonym of Atheta palustris in some taxonomic databases, though it retains the genus Philhygra in other treatments. It belongs to a large genus of small to medium-sized staphylinids associated with moist habitats.
Philoxenus desertorum
Philoxenus desertorum is a species of clown beetle in the family Histeridae. It was described by Mazur in 1991 and is currently the sole described species in the genus Philoxenus. The species has been recorded from desert regions in California, USA, and Sonora, Mexico. Taxonomic authorities treat this name as a synonym of Hypocaccus desertorum.
Phostria oajacalis
Phostria oajacalis is a moth species in the family Crambidae, first described by Francis Walker in 1865. It is currently treated as a synonym of Phostria tedea. The species is recorded from Central America and the southern United States.
Phruronellus
Phruronellus was a genus of North American araneomorph spiders described by R. V. Chamberlin in 1921. Its taxonomic placement changed over time, moving from Liocranidae to Corinnidae in 2002, then to Phrurolithidae in 2014. As of 2024, Phruronellus is recognized as a junior synonym of Scotinella Banks, 1911, and all species previously assigned to it have been transferred to that genus.
Phycitodes reliquellum
Phycitodes reliquellum is a synonym of Phycitodes albatella, a small moth in the family Pyralidae. The name was described by Dyar in 1904 but is no longer accepted as a valid species. Records indicate occurrence in the Azores archipelago (Corvo, Faial, Flores, Graciosa, and Pico islands).
Phyllobius intrusus
Arborvitae Weevil
Phyllobius intrusus, commonly known as the arborvitae weevil, is a broad-nosed weevil in the family Curculionidae. The species was described by Kôno in 1948. Taxonomic authorities currently list this species as a synonym of Parascythopus intrusus. It is recorded from North America and parts of Europe including Canada, Germany, and Denmark.
Phyllophaga lenis
Phyllophaga lenis is a species of scarab beetle in the family Scarabaeidae. It is currently treated as a synonym of Trichesthes lenis in some taxonomic databases. The species is distributed across the southwestern United States and Mexico, extending into Central America. Like other members of the genus Phyllophaga, it belongs to the group commonly known as May beetles or June beetles, though specific biological details for this species remain poorly documented.
Phyllovates
Phyllovates is a genus of mantids in the family Mantidae, subfamily Vatinae. The genus is currently treated as a synonym of Pseudovates in major taxonomic databases. It includes species native to the Americas, with Phyllovates chlorophaea (Texas unicorn mantis) being a notable representative in the southern United States.
Physoconops sylvosus
Physoconops sylvosus is a species of thick-headed fly in the family Conopidae. Members of this genus are wasp mimics, with elongated abdomens resembling a "wasp waist" and heavily pigmented anterior wing margins that mimic the folded wings of potter wasps at rest. Like other conopids, they possess large heads relative to body size and beak-like mouthparts adapted for nectar feeding. The species is currently treated as a synonym of Gyroconops sylvosus in some taxonomic databases.
Physonota calochroma
Physonota calochroma is a tortoise beetle species in the family Chrysomelidae, originally described by Blake in 1965. The species is currently treated as a synonym of Eurypepla calochroma. As a member of the tortoise beetle subfamily Cassidinae, it possesses the characteristic domed carapace formed by modified elytra and pronotum. Larvae of the genus Physonota construct distinctive fecal umbrellas using exuviae and frass, held aloft by urogomphi structures.
Physonota calochroma floridensis
Physonota calochroma floridensis is a synonymized subspecies of tortoise beetle originally described from Florida. The name was proposed by Blake in 1965 but is currently treated as a synonym of Eurypepla jamaicensis (formerly Physonota calochroma). Tortoise beetles in this group are characterized by their domed, turtle-like carapace formed from modified elytra and pronotum. The species to which this subspecies belongs exhibits rapid color-changing abilities, shifting from silvery-green to brownish tones within seconds in response to environmental stimuli.
Phytoptus laevis
Phytoptus laevis is a species of eriophyid mite, currently recognized as a synonym of Eriophyes laevis. The original description dates to 1889 by Nalepa. As with other members of Eriophyidae, this species is a minute plant-feeding arachnid. Distribution records indicate presence in Belgium, though detailed biological information remains limited.
Platphalonidia
Platphalonidia is a genus of tortricid moths established by Razowski in 1985. It is currently treated as a synonym of Phalonidia, a genus within the tribe Cochylini of the subfamily Tortricinae. Species historically placed in Platphalonidia are small moths with the characteristic bell-shaped resting posture typical of many tortricids. The genus has been recorded from northern Europe and North America.
Platynus cazieri
Platynus cazieri is a ground beetle species in the family Carabidae, first described by Liebherr and Will in 1996. The species is currently treated as a synonym of Dyscolus cazieri in some taxonomic databases, reflecting ongoing classification revisions within the Platynini tribe. It occurs in Central America and North America, with confirmed records from the United States.
Platynus megalops
Platynus megalops is a species of ground beetle in the family Carabidae. It was originally described by Bates in 1882. Current taxonomic consensus treats this name as a synonym of Dyscolus megalops. The species has been recorded from Mexico and the United States.
Platyprosopinae
Platyprosopinae is a subfamily of rove beetles (Staphylinidae) established by Moore in 1964. It is currently treated as a synonym within the subfamily Staphylininae, tribe Platyprosopini. The group represents a historical taxonomic concept that has been subsumed into broader staphylinine classification. Members of the tribe Platyprosopini, to which this subfamily referred, are characterized by distinctive morphological features within the diverse rove beetle fauna.
Plebejus emigdionis
Emigdio Blue
Plebejus emigdionis, known as the Emigdio Blue, is a small butterfly in the family Lycaenidae. The species is currently classified under the genus Plebulina as Plebulina emigdionis, though it was historically placed in Plebejus. Like other members of this group, it is associated with specific host plants and exhibits typical lycaenid biology including potential ant associations.
Plebejus icarioides atascadero
Plebejus icarioides atascadero is a subspecies of the boisduval's blue butterfly complex, historically classified under both Plebejus and Icaricia genera. The subspecies was described in 1998 by Emmel, Emmel, and Mattoon. Current taxonomic databases list it as a synonym of Icaricia icarioides, reflecting ongoing taxonomic revision in the Lycaenidae family. The broader species Icaricia icarioides is known to inhabit western North American grasslands and meadows, with larvae that associate with lupine host plants and form mutualistic relationships with Formica ants.
Plebejus icarioides parapheres
Plebejus icarioides parapheres is a subspecies of the Boisduval's blue butterfly complex, originally described from California. It is currently treated as a synonym of Icaricia icarioides parapheres in some taxonomic databases. The species group is associated with leguminous host plants and has been subject to conservation research due to habitat loss pressures affecting related subspecies.
Plebejus icarioides pembina
Plebejus icarioides pembina is a subspecies of butterfly in the family Lycaenidae, historically classified within the genus Plebejus. It is currently recognized as a synonym of Cupido pembina according to GBIF taxonomy. The subspecies was described by W.H. Edwards in 1862. It represents a disjunct population of the Melissa blue complex, with the type locality in North Dakota. The species to which it belongs has been studied for its colonization of alfalfa and associated ecological interactions across the Great Basin region.
Plesiommata tripunctata
Plesiommata tripunctata is a species of leafhopper in the family Cicadellidae, first described by Asa Fitch in 1851. The species is currently recognized as a synonym of Provancherana tripunctata by some taxonomic authorities, though it remains listed under Plesiommata in NCBI Taxonomy. Distribution records from GBIF indicate occurrence in the eastern United States, specifically Connecticut, District of Columbia, Georgia, Illinois, Indiana, and Massachusetts. As a member of the true bugs (Hemiptera), it possesses piercing-sucking mouthparts characteristic of the order.
Polycentropus variegatus
Polycentropus variegatus is a species of caddisfly in the family Polycentropodidae, originally described by Banks in 1900. It is currently treated as a synonym of Plectrocnemia variegata. The species is known from North America. As a member of the Polycentropodidae, it belongs to a group of net-spinning caddisflies whose larvae construct silken nets to capture prey.
Polyderis laeva
Polyderis laeva is a small ground beetle (Carabidae) currently treated as a junior synonym of Tachys laevus. The species was described by Thomas Say in 1823 from North American material. Like other members of the tribe Bembidiini, it belongs to a diverse group of minute carabids often associated with moist microhabitats. The genus Polyderis is now generally subsumed within Tachys, reflecting ongoing taxonomic revision in this challenging group.
Prionus cuneatus
Prionus cuneatus is a species of longhorned beetle in the family Cerambycidae, subfamily Prioninae. The species was described by Casey in 1924 and is currently considered a synonym of Prionus imbricornis in some taxonomic databases. Like other members of the genus Prionus, it is a root-boring beetle with subterranean larvae. The species belongs to a genus that has been the focus of recent collecting efforts in the Great Plains using synthetic prionic acid pheromone lures.
Priophorus brullei
Priophorus brullei is a species of sawfly in the family Tenthredinidae. The species was originally described by Dahlbom in 1835 under the name Priophorus brullei, but is currently classified under the genus Cladius as Cladius brullei, making Priophorus brullei a synonym. It belongs to the order Hymenoptera, which includes ants, bees, wasps, and sawflies.
Proleucoptera
Proleucoptera is a genus of microlepidoptera in the family Lyonetiidae, established by Busck in 1902. Species in this genus are leaf-mining moths with extremely small wingspans, often under 5 mm. The genus is currently treated as a synonym of Leucoptera, though it was historically recognized as distinct. Members are known for mining leaves of host plants, with some species reaching densities sufficient to cause noticeable defoliation.
Promoresia tardella
Promoresia tardella is a species of riffle beetle in the family Elmidae, originally described by Fall in 1925. The species has undergone taxonomic reclassification, with modern sources treating it as a synonym of Optioservus tardellus. It has been recorded from North America, specifically from Vermont in the United States. As an elmid beetle, it likely inhabits freshwater environments, though specific ecological details remain poorly documented.
Pronocera collaris collaris
Pronocera collaris collaris is a subspecies of longhorn beetle (Cerambycidae) in the tribe Callidiini. It is currently considered a synonym of Pronocera collaris. The species is native to North America, with records from Canada and the United States. As a member of the Cerambycinae subfamily, it belongs to a diverse group of wood-boring beetles, though specific biological details for this subspecies remain poorly documented.
Prosoparia anormalis
Prosoparia anormalis is a moth species described by Barnes & McDunnough in 1912, originally placed in the genus Friesia. It is currently treated as a synonym of Prosoparia perfuscaria, a member of the Erebidae family (subfamily Calpinae). The species has been recorded in North America with 39 observations documented on iNaturalist. As a synonym, its taxonomic status is uncertain and it may represent a variant or misidentification of the accepted species.
Pseudoanthidium nanum nanum
Pseudoanthidium nanum nanum is a synonymized subspecies of the small mason bee Pseudoanthidium nanum (Mocsáry, 1880), originally described from Europe. The subspecific epithet has been synonymized under the nominate species, which is now treated as a single widespread taxon. The species belongs to the tribe Anthidiini (wool-carder and mason bees) within Megachilidae, characterized by their use of plant fibers or resin in nest construction.