Curculionidae
Guides
Pityophthorus crinalis
Pityophthorus crinalis is a species of bark beetle in the family Curculionidae, described by Blackman in 1928. It belongs to the genus Pityophthorus, a group of small ambrosia and bark beetles primarily associated with coniferous and hardwood trees. The species is provisionally accepted in taxonomic databases with records indicating presence in North America. Like other members of its genus, it is likely associated with woody host plants, though specific ecological details remain poorly documented.
Pityophthorus liquidambarus
Pityophthorus liquidambarus is a bark beetle species in the weevil family Curculionidae, described by Blackman in 1921. It belongs to the genus Pityophthorus, a group of small ambrosia beetles primarily associated with woody plants. Very little specific information is documented about this particular species compared to its congener Pityophthorus juglandis, which has been extensively studied as the vector of thousand cankers disease in walnuts.
Pityophthorus setosus
Pityophthorus setosus is a species of bark beetle in the weevil family Curculionidae, described by Blackman in 1928. It belongs to the genus Pityophthorus, a group of small ambrosia and bark beetles commonly known as twig beetles. Very little specific biological or ecological information is available for this species in the provided sources. The genus Pityophthorus includes species that are associated with coniferous and hardwood trees, with some members known as significant forest pests.
Platyomus flexicaulis
Broad-nosed Ebony Weevil
Platyomus flexicaulis is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. The species was described by Schaffer in 1905. It belongs to the tribe Naupactini, a group of primarily New World weevils. Available records indicate it occurs in Texas, though detailed biological information remains sparse.
Platypodinae
pinhole borers, ambrosia beetles
Platypodinae is a weevil subfamily within Curculionidae commonly known as pinhole borers. The vast majority of species are ambrosia beetles that cultivate symbiotic fungi in tunnels excavated within dead wood, which serves as the sole food source for their larvae. They function as important early decomposers of dead woody plant material, particularly in wet tropical environments. Only two species are known not to engage in fungal cultivation.
Plesiobaris
Plesiobaris is a genus of flower weevils in the family Curculionidae, established by Thomas L. Casey in 1892. The genus comprises seven described species distributed in North America. These beetles are characterized by their association with flowers, a trait common to many members of the subfamily Baridinae.
Plesiobaris aemula
Plesiobaris aemula is a species of flower weevil in the family Curculionidae. It was described by Thomas Lincoln Casey in 1892. The species is found in North America.
Plesiobaris albilata
Plesiobaris albilata is a species of weevil in the family Curculionidae, described by Thomas Lincoln Casey in 1892. The genus Plesiobaris belongs to the diverse weevil superfamily Curculionoidea. Very little specific information is documented about this species.
Plesiobaris disjuncta
flower weevil
Plesiobaris disjuncta is a species of flower weevil in the beetle family Curculionidae, described by Thomas Lincoln Casey in 1892. It belongs to the genus Plesiobaris, a group of weevils associated with flowering plants. The species is distributed across North America, with confirmed records from Canada including New Brunswick and Québec.
Plesiobaris signatipes
flower weevil
Plesiobaris signatipes is a species of flower weevil in the family Curculionidae, described by Thomas Lincoln Casey in 1892. The species belongs to the genus Plesiobaris, a group of weevils associated with flowering plants. It is recorded from North America, though specific ecological details remain poorly documented in available literature.
Plocamus
flower weevils
Plocamus is a genus of flower weevils in the beetle family Curculionidae, established by LeConte in 1876. The genus contains nine described species, distributed primarily in North America. Members are associated with flowering plants, though specific host relationships remain poorly documented. The genus includes the porcupine weevil (Plocamus echidna), one of the more frequently referenced species.
Plocetes
leguminous seed weevils
Plocetes is a genus of weevils in the family Curculionidae comprising over 60 described species. The genus was established by J.L. LeConte in 1876. Members are commonly known as leguminous seed weevils, indicating an association with legume plants. The genus is taxonomically stable and accepted across major biodiversity databases.
Plocetes ulmi
Buttonbush Weevil
Plocetes ulmi is a species of leguminous seed weevil in the family Curculionidae. The species was described by John Lawrence LeConte in 1876. It is found in North America, with records from Ontario and Québec in Canada. The common name "Buttonbush Weevil" suggests an association with buttonbush (Cephalanthus occidentalis), though this host relationship has not been formally documented in the provided sources.
Pnigodes
Pnigodes is a genus of true weevils in the family Curculionidae, established by John Lawrence LeConte in 1876. The genus contains at least one described species, P. setosus. As members of Curculionidae, species in this genus possess the characteristic elongated snout (rostrum) typical of weevils. The genus is rarely encountered in collections and field observations, with limited published information available on its biology.
Polydacrys depressifrons
Polydacrys depressifrons is a species of broad-nosed weevil described by Boheman in 1840. It belongs to the family Curculionidae, the largest family of beetles. The species is known from North America, with specific records from Texas and Belize.
Polydrusini
Polydrusini is a tribe of weevils within the subfamily Entiminae, family Curculionidae. The tribe contains approximately 14 recognized genera, including the well-known genus *Polydrusus*. Members of this tribe are broad-nosed weevils, a group characterized by their relatively short, broad rostrum compared to other weevil lineages. The tribe was established by Schönherr in 1823 and has undergone taxonomic revision, with the genus *Polydrusus* receiving particular nomenclatural attention through ICZN Opinion 1179 in 1981.
Polydrusus unnamed
Polygraphus rufipennis
Four-eyed Spruce Bark Beetle
Polygraphus rufipennis is a phloeophagous bark beetle restricted to Abietineae hosts in northern and mountainous areas of North America. It completes one generation annually with spring and summer broods, developing from egg to adult in approximately two months. Males produce a highly volatile aggregation pheromone (3-methyl-3-buten-1-ol) that attracts both sexes, with females generally exhibiting stronger responses. The species colonizes both felled and standing trees, with attack densities varying by tree condition and bark characteristics.
Poophagus sisymbrii
Poophagus sisymbrii is a species of weevil in the family Curculionidae. It is native to Europe and has been introduced to North America. The species is associated with Nasturtium officinale (watercress) as its usual host plant.
Premnobius
Premnobius is a genus of bark beetles in the family Curculionidae, established by Wilhelm Joseph Eichhoff in 1878. The genus contains more than 30 described species. Members are classified within the weevil family, though they exhibit the wood-boring habits characteristic of bark beetles. The genus is part of the diverse Curculionidae, one of the largest families of beetles.
Prisistus
Prisistus is a genus of weevils in the family Curculionidae, described by Edmund Reitter in 1916. The genus is placed in the superfamily Curculionoidea and is part of the diverse beetle fauna within the order Coleoptera. Very little specific information is documented about this genus in available literature, and it appears to be rarely encountered or studied.
Procryphalus
Procryphalus is a genus of bark beetles in the family Curculionidae, established by Hopkins in 1915. The genus comprises seven described species distributed in North America. Species in this genus are associated with woody host plants including maple, ash, poplar, and willow.
Proctorus decipiens
Proctorus decipiens is a species of true weevil in the family Curculionidae. It occurs in North America with records from Canada (Alberta, British Columbia, Manitoba, New Brunswick) and the United States. As a member of the true weevils, it possesses the characteristic elongated rostrum typical of this large beetle family.
Proeces
Proeces is a genus of weevils in the family Curculionidae, established by Carl Johan Schoenherr in 1838. The genus belongs to the superfamily Curculionoidea, the largest group of weevils. Very little published information exists on the biology or natural history of this genus.
Promecotarsus
Promecotarsus is a genus of true weevils (family Curculionidae) established by Thomas Lincoln Casey in 1892. The genus contains three described species: P. densus, P. fumatus, and P. maritimus, all described by Casey in the same year. As a member of Curculionidae, members possess the characteristic elongated snout (rostrum) typical of weevils. The genus is rarely encountered, with minimal observational records available.
Promecotarsus densus
Promecotarsus densus is a species of true weevil in the family Curculionidae, first described by Thomas L. Casey in 1892. It is recorded from western Canada, specifically Alberta, British Columbia, and Saskatchewan. As a member of Curculionidae, it possesses the characteristic elongated snout (rostrum) typical of weevils. Available information on this species is limited.
Pseudanthonomus
Pseudanthonomus is a genus of true weevils in the family Curculionidae, established by W.G. Dietz in 1891. The genus contains more than 60 described species. At least some species are seed predators with documented host plant associations, including P. hamamelidis which infests seeds of witch-hazel (Hamamelis virginiana).
Pseudanthonomus crataegi
Pseudanthonomus crataegi is a species of true weevil in the family Curculionidae, first described by Dietz in 1891. The species is known from North America, with records from multiple Canadian provinces including Alberta, Manitoba, New Brunswick, and Nova Scotia. As a member of the genus Pseudanthonomus, it belongs to a group of small weevils commonly associated with various host plants, though specific biological details for this species remain poorly documented in the scientific literature.
Pseudanthonomus helvolus
Pseudanthonomus helvolus is a species of true weevil in the family Curculionidae, described by Clark in 1987. It is known from North America, with records from Ontario, Canada. Like other members of the genus Pseudanthonomus, it belongs to a group of small weevils, though specific ecological details remain poorly documented.
Pseudanthonomus rufulus
Pseudanthonomus rufulus is a species of true weevil in the family Curculionidae. It was described by Dietz in 1891. The species is documented from North America, with specific records from Manitoba and Québec in Canada. Little detailed biological information is available for this species.
Pseudanthonomus validus
currant fruit weevil
Pseudanthonomus validus, the currant fruit weevil, is a species of true weevil in the beetle family Curculionidae. It is found in North America. The common name suggests association with currant plants, though specific host relationships have not been documented in the provided sources.
Pseudips concinnus
Pseudips concinnus is a species of weevil in the family Curculionidae, described by Cognato in 2000. The genus Pseudips belongs to the true weevils, a diverse group of beetles characterized by their distinctive elongated snouts. Very little published information exists regarding the biology, ecology, or specific morphology of this species.
Pseudoacalles nuchalis
Pseudoacalles nuchalis is a species of weevil in the family Curculionidae, described by Blatchley and Leng in 1916. The genus Pseudoacalles comprises small weevils, and this species is known from North America. Very little published information exists regarding its biology, ecology, or precise habitat requirements. The species remains poorly studied, with only a handful of documented observations.
Pseudobaris
flower weevils
Pseudobaris is a genus of flower weevils in the family Curculionidae, established by Fairmaire in 1897. The genus contains at least 100 described species. Members are small beetles characterized by the elongated rostrum typical of weevils. They are associated with flowers, though specific ecological relationships remain poorly documented for most species.
Pseudobaris angusta
flower weevil
Pseudobaris angusta is a species of flower weevil in the beetle family Curculionidae. It was described by John Lawrence LeConte in 1876. The species is known from North America. As a member of Curculionidae, it possesses the characteristic elongated snout (rostrum) typical of weevils.
Pseudobaris nigrina
flower weevil
Pseudobaris nigrina is a species of flower weevil in the family Curculionidae. It is native to North America, with documented records from Ontario and Québec in Canada. The species was first described by Thomas Say in 1832. As a member of the flower weevil group, it is associated with flowering plants, though specific ecological details remain poorly documented.
Pseudobaris pectoralis
flower weevil
Pseudobaris pectoralis is a species of flower weevil in the beetle family Curculionidae, described by J.L. LeConte in 1876. It is recorded from North America, though specific details about its biology and ecology remain poorly documented in available literature. As a member of the Curculionidae, it possesses the characteristic elongated snout (rostrum) typical of weevils.
Pseudohylesinus granulatus
Fir Root Bark Beetle
A bark beetle species in the weevil family Curculionidae, commonly known as the Fir Root Bark Beetle. Native to western North America, it is associated with fir trees and develops in root systems. The species was described by J.M. Swaine in 1918.
Pseudomus
hidden snout weevils
Pseudomus is a genus of hidden snout weevils (Curculionidae) established by Schoenherr in 1837. The genus contains at least 26 described species, though taxonomic sources vary in their counts. As members of the weevil family, species in this genus possess the characteristic elongated rostrum (snout) typical of Curculionidae. The genus is part of the diverse Curculionoidea superfamily, one of the largest radiations of beetles.
Pseudopentarthrum
Pseudopentarthrum is a genus of true weevils (Curculionidae) established by Wollaston in 1873. The genus contains approximately 18 described species, though some sources cite fewer. It belongs to the diverse weevil superfamily Curculionoidea. Members are found in Colombia and potentially other Neotropical regions.
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.
Pseudopityophthorus
oak bark beetles
A genus of bark and ambrosia beetles in the family Curculionidae, comprising more than 30 described species distributed primarily in North and Central America. Species in this genus are strongly associated with oak trees (Quercus spp.) and have been investigated as potential vectors of forest pathogens, including the oak wilt fungus Ceratocystis fagacearum and the canker-causing fungus Geosmithia pallida. Some species exhibit phoretic behavior and form associations with other organisms including mites and nematodes.
Pseudopityophthorus agrifoliae
Pseudopityophthorus agrifoliae is a bark beetle species in the weevil family Curculionidae. The species was described by Blackman in 1931 and is known from North America. Like other members of its genus, it is associated with coniferous trees. The specific epithet 'agrifoliae' suggests a historical association with coast live oak (Quercus agrifolia), though this host relationship requires confirmation.
Pseudopityophthorus asperulus
Pseudopityophthorus asperulus is a bark beetle species in the family Curculionidae, described by Blackman in 1931. It belongs to the genus Pseudopityophthorus, a group of small ambrosia beetles that tunnel beneath bark. The species is recorded from North America. Like other members of its genus, it is associated with woody host plants, though specific ecological details remain poorly documented.
Pseudopityophthorus minutissimus
oak bark beetle
Pseudopityophthorus minutissimus, commonly known as the oak bark beetle, is a small bark beetle in the family Curculionidae. It is native to North America and breeds in oak species (Quercus). The species has been investigated as a potential vector of the oak wilt fungus Ceratocystis fagacearum, though evidence suggests it plays a minor role in long-distance pathogen transmission compared to other insects.
Pseudopityophthorus pruinosus
Pseudopityophthorus pruinosus is a species of bark beetle in the family Curculionidae, subfamily Scolytinae. It was described by Wood & Bright in 1992 and is known from North America and Middle America. The species has been documented in association with nematodes, though the nature of this relationship remains unspecified in available literature. As a member of the tribe Xyleborini, it belongs to a group of ambrosia beetles that typically cultivate fungal gardens within wood galleries.
Pseudothysanoes
Pseudothysanoes is a genus of bark beetles (Scolytinae) within the family Curculionidae. The genus contains more than 100 described species and was established by Blackman in 1920. Species in this genus have been documented in the Northwestern Himalayan region, including the first South Asian record from Jammu and Kashmir. As bark beetles, members of this genus are associated with woody plants, though specific ecological details remain limited for most species.
Pseudothysanoes turnbowi
A small bark beetle species in the family Curculionidae, described by Wood in 1977. The species is known from North America and is part of a genus of typical bark beetles that inhabit dead or dying wood.
Psomus
Psomus is a genus of true weevils in the beetle family Curculionidae, established by Thomas L. Casey in 1892. The genus contains five described species distributed in North America. Species within this genus are small weevils with limited published ecological or biological information available.
Pycnobaris
flower weevils
Pycnobaris is a genus of flower weevils in the beetle family Curculionidae, established by Thomas Lincoln Casey in 1892. The genus comprises approximately five described species distributed in North America. Members of this genus are small weevils associated with flowers, though specific biological details remain poorly documented.