Broad-nosed-weevil
Guides
Peritaxia hispida
broad-nosed weevil
Peritaxia hispida is a species of broad-nosed weevil in the family Curculionidae, first described by George H. Horn in 1876. The species belongs to the subfamily Entiminae and tribe Byrsopagini. It is known from western North America, with confirmed records from Colorado and Texas.
Peritelinus
Peritelinus is a genus of broad-nosed weevils in the family Curculionidae, established by Casey in 1888. The genus contains at least two described species, both described by Van Dyke in 1936: Peritelinus erinaceus and Peritelinus oregonus. These weevils belong to the subfamily Entiminae, a diverse group of root-feeding weevils characterized by their broad, short rostrums. Records indicate limited observation data, with few documented occurrences.
Peritelinus oregonus
Peritelinus oregonus is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. The species was described from Oregon in 1936 and is endemic to the Pacific Northwest region of North America. It has been historically classified under the genus Paraptochus, and its taxonomic status remains subject to revision with some sources treating it as a synonym while others recognize it as valid. The species is known from very few observations.
Peritelodes obtectus
Peritelodes obtectus is a species of broad-nosed weevil in the family Curculionidae, described by Casey in 1888. It belongs to the subfamily Entiminae, a diverse group of root-feeding weevils. The species is known from California and is part of the genus Peritelodes, which contains multiple North American species. Very little specific biological information has been published for this particular species.
Phacepholis
Phacepholis is a genus of weevils in the family Curculionidae, subfamily Entiminae, and tribe Naupactini. It was established by George Henry Horn in 1876. The genus belongs to the broad-nosed weevil group, characterized by a relatively short and broad rostrum. As a member of Naupactini, it is part of a diverse tribe distributed primarily in the Neotropical region.
Phacepholis candidus
Phacepholis candidus is a species of broad-nosed weevil (Curculionidae: Entiminae) described by Horn in 1876. It belongs to the tribe Naupactini, a group of weevils predominantly distributed in the Neotropical region. The specific epithet "candidus" (Latin for "white" or "shining white") likely refers to a pale or whitish coloration of the integument. As with many Naupactini, detailed biological information remains limited in accessible literature.
Phacepholis elegans
Phacepholis elegans is a species of broad-nosed weevil in the family Curculionidae, described by Horn in 1876. It belongs to the tribe Naupactini, a group known for root-feeding larvae and adult weevils that typically feed on foliage. The species has been recorded from several western and midwestern U.S. states including Arizona, California, Colorado, Iowa, and Kansas. As with many Naupactini, the larvae likely feed on roots while adults feed on above-ground plant tissues.
Phacepholis obscurus
Phacepholis obscurus is a species of broad-nosed weevil in the family Curculionidae, described by Horn in 1876. It belongs to the tribe Naupactini within the subfamily Entiminae. The specific epithet 'obscurus' (Latin for dark or indistinct) likely refers to its coloration. As a member of Entiminae, it possesses the characteristic short, broad rostrum typical of this subfamily.
Phacepholis planitiatus
Phacepholis planitiatus is a species of broad-nosed weevil in the family Curculionidae, described by Buchanan in 1939. It belongs to the tribe Naupactini, a group of root-feeding weevils primarily found in the Americas. The species is documented from the Great Plains and Rocky Mountain regions of the United States. Like other Naupactini, adults likely feed on foliage while larvae develop in soil feeding on roots.
Phacepholis viridis
Phacepholis viridis is a species of broad-nosed weevil (Curculionidae: Entiminae: Naupactini) described by Champion in 1911. It belongs to a genus of Neotropical weevils in the tribe Naupactini, a group known for parthenogenetic reproduction and association with various host plants. The specific epithet 'viridis' (Latin for green) suggests a green coloration, though detailed species-level descriptions are limited in available sources. The genus Phacepholis is taxonomically classified within the subfamily Entiminae, a diverse group of weevils characterized by their broad snouts and often root-feeding larvae.
Philopedon
broad-nosed weevils
Philopedon is a genus of broad-nosed weevils in the family Curculionidae, established by Schönherr in 1826. The genus contains approximately seven described species distributed primarily across Europe and North Africa. One species, Philopedon plagiatum, is commonly known as the marram weevil due to its association with marram grass (Ammophila arenaria). The genus belongs to the tribe Cneorhinini within the subfamily Entiminae.
Phyllobiini
Phyllobiini is a tribe of broad-nosed weevils within the subfamily Entiminae (Curculionidae). The tribe contains approximately 30 genera distributed primarily in the Palearctic region, with notable diversity in the Mediterranean basin. Members are characterized by features of the rostrum and antennae, though specific diagnostic traits vary among constituent genera. The tribe includes the genus Phyllobius, from which the tribe derives its name.
Phyllobius
Phyllobius is a genus of broad-nosed weevils (Curculionidae: Entiminae) containing at least 60 described species, with many distributed across Europe. Adults are primarily folivorous, feeding on leaves of broadleaved trees and occasionally causing defoliation damage in young woodlands. Larvae develop in soil, feeding on grass roots. Some species have been introduced outside their native ranges and established as nonindigenous populations in northern hardwood forests.
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.
Phyxelis
broad-nosed weevil
Phyxelis is a genus of broad-nosed weevils in the beetle family Curculionidae, first described by Schönherr in 1842. The genus contains at least two described species: Phyxelis latirostris (Blatchley, 1916) and Phyxelis rigidus (Say, 1831). These weevils belong to the subfamily Entiminae and tribe Byrsopagini. As broad-nosed weevils, they share the characteristic short, broad rostrum typical of this group.
Phyxelis rigidus
broad-nosed weevil
Phyxelis rigidus is a species of broad-nosed weevil in the beetle family Curculionidae. It was first described by Thomas Say in 1831, originally placed in the genus Barynotus. The species is recorded from multiple localities across North America.
Platyomus
broad-nosed weevils
Platyomus is a genus of broad-nosed weevils in the family Curculionidae, first described by Sahlberg in 1823. The genus contains at least 40 described species and belongs to the tribe Naupactini within the subfamily Entiminae. These weevils are distributed in parts of South America, with records from Colombia and Peru.
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.
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.
Polydrusus cervinus
Deer Broad-nosed Weevil
Polydrusus cervinus is a European weevil in the broad-nosed weevil subfamily Entiminae. The species has been the subject of genome sequencing as part of the Darwin Tree of Life Project, yielding a chromosomally complete 713.4 Mb assembly. It is commonly known as the Deer Broad-nosed Weevil and has been recorded across multiple European countries.
Polydrusus impressifrons
Pale Green Weevil, Leaf Weevil
Polydrusus impressifrons is a small broad-nosed weevil native to Europe, introduced to North America in the early 20th century. It is polyphagous on hardwood trees and has been recorded in hybrid hazelnut orchards in Minnesota, where it may damage buds, foliage, and roots. Adults are active from late May to mid-July. The species is smaller, lighter, and has a broader head than the similar P. formosus.
Prorutidosoma
Prorutidosoma is a genus of broad-nosed weevils (Curculionidae: Entiminae) described by Korotyaev in 1999. It belongs to the tribe Rutidosomini, a group of small to medium-sized weevils primarily distributed in the Palearctic and Oriental regions. The genus was established to accommodate species previously placed in related genera, particularly those sharing characteristics with Rutidosoma but distinguished by specific morphological features of the rostrum and genitalia. As a relatively recently described genus, its species composition and biology remain incompletely documented.
Pseudocneorhinus
broad-nosed weevils
Pseudocneorhinus is a genus of broad-nosed weevils in the family Curculionidae, containing approximately 11 described species. The genus is native to East Asia, with several species recorded from Japan, the Korean Peninsula, and the Russian Far East. At least one species, P. bifasciatus (twobanded Japanese weevil), has become established as an invasive pest in North America, where it damages ornamental and landscape plantings. The genus belongs to the tribe Trachyphloeini within the subfamily Entiminae.
Pseudocneorhinus bifasciatus
twobanded Japanese weevil, two-banded Japanese weevil
Pseudocneorhinus bifasciatus is an invasive broad-nosed weevil native to Japan that has established populations in the United States. First detected near Philadelphia in 1914, it is believed to have arrived via infested nursery stock. The species has since spread throughout the northeastern, midwestern, and southeastern United States, with documented presence in at least 11 states. It is recognized as a significant pest of ornamental and landscape plantings due to its broad host range.
Pseudocneorhinus obesus
A broad-nosed weevil in the tribe Trachyphloeini, described from Japan in 1873. Records indicate presence in East Asia (China, Russian Far East) and eastern North America, suggesting introduced populations. The species belongs to a genus of flightless weevils characterized by compact, rounded bodies.
Pseudorimus
Pseudorimus is a genus of broad-nosed weevils (subfamily Entiminae) in the family Curculionidae. The genus was established by Van Dyke in 1934 and contains at least two described species: P. granicollis and P. orbicollis, both described in the same year. It belongs to the tribe Byrsopagini. The genus is currently accepted in taxonomic databases, though Catalogue of Life lists it as a synonym of Crocidema, indicating taxonomic uncertainty.
Rhigopsis
broad-nosed weevils
Rhigopsis is a genus of broad-nosed weevils in the family Curculionidae, established by LeConte in 1874. The genus contains at least two described species: R. effracta and R. simplex. As members of the subfamily Entiminae, these weevils are characterized by their broad, short rostrum (snout) compared to other weevil groups. The genus has been recorded from Mexico and the United States.
Rhigopsis effracta
broad-nosed weevil
Rhigopsis effracta is a species of broad-nosed weevil in the beetle family Curculionidae. It was described by LeConte in 1874. The species is found in western North America, specifically in California and Baja California.
Sapotes longipilis
Sapotes longipilis is a broad-nosed weevil in the family Curculionidae, described by Van Dyke in 1934. It is a member of the subfamily Entiminae and tribe Ophryastini. The species is known from arid regions of the southwestern United States.
Sciopithes obscurus
obscure root weevil
Sciopithes obscurus, commonly known as the obscure root weevil, is a broad-nosed weevil in the family Curculionidae. Adults are nocturnal foliage feeders that sometimes remain in vegetation during daylight hours, an atypical behavior among weevils. The species is considered an agricultural pest in the Pacific Northwest, particularly affecting rhododendrons and strawberries. Larvae feed on roots after hatching, with one generation produced annually.
Sitona californius
Sitona californius is a species of broad-nosed weevil in the family Curculionidae, native to western North America. The species has been documented as prey for the wasp Cerceris sextoides. Its name has frequently been misspelled as 'californicus' in scientific literature.
Sitona lineellus
alfalfa curculio
Sitona lineellus, commonly known as the alfalfa curculio, is a broad-nosed weevil in the family Curculionidae. The species is found in North America, with distribution records from Canada (Alberta, British Columbia) and the United States. It is associated with alfalfa and legume crops, though specific ecological details remain limited in published literature. Two subspecies are recognized: S. l. crinitoides and S. l. samniticus.
Stamoderes uniformis
Stamoderes uniformis is a species of broad-nosed weevil in the family Curculionidae, first described by Casey in 1888. The species is known from western North America, with confirmed records from California. As a member of the subfamily Entiminae, it possesses the characteristic short, broad rostrum typical of broad-nosed weevils.
Stenoptochus
Stenoptochus is a genus of broad-nosed weevils in the family Curculionidae, established by Casey in 1888. The genus contains at least two described species: S. inconstans and S. vanduzeei. These weevils belong to the subfamily Entiminae and tribe Peritelini. As with other broad-nosed weevils, they possess a short, broad rostrum rather than the elongated snout characteristic of many curculionids.
Stereogaster globosa
Stereogaster globosa is a species of broad-nosed weevil in the family Curculionidae, described by Van Dyke in 1936. The species belongs to the tribe Geonemini within the subfamily Entiminae, a group commonly known as root weevils or broad-nosed weevils. The specific epithet 'globosa' refers to its rounded, globular body shape. The genus Stereogaster is part of the diverse weevil fauna of western North America.
Stomodes
broad-nosed weevils
Stomodes is a genus of broad-nosed weevils in the family Curculionidae, established by Schönherr in 1826. The genus comprises approximately 11 described species distributed primarily in Europe and North Africa. Species within this genus are classified in the subfamily Entiminae and tribe Otiorhynchini. As with other entimine weevils, members likely possess a short, broad rostrum and elbowed antennae.
Tanymecus
Tanymecus is a genus of broad-nosed weevils (Curculionidae) comprising at least 100 described species. The genus was established by Germar in 1817 and is classified in the subfamily Entiminae, tribe Tanymecini. Some species, such as Tanymecus dilaticollis, are recognized agricultural pests.
Tanymecus confusus
little pasture spur-throated grasshopper
Tanymecus confusus is a species of broad-nosed weevil in the family Curculionidae, described by Thomas Say in 1831. The species is found in North America, with records from Canada and the United States. As a member of the Entiminae subfamily, it possesses the characteristic broad rostrum typical of this group. Available information on this species is limited.
Tanymecus texanus
Tanymecus texanus is a broad-nosed weevil in the family Curculionidae, first described by Van Dyke in 1935. The species is known from the southwestern United States, specifically Texas and New Mexico. As a member of the genus Tanymecus, it belongs to a group of weevils characterized by their elongated snouts and association with herbaceous plants.
Tetrabothynus
Tetrabothynus is a genus of broad-nosed weevils in the family Curculionidae, subfamily Entiminae. The genus was established by Labram and Imhoff in 1852. It belongs to the tribe Eustylini, a group of weevils characterized by their broad snouts and often colorful or patterned bodies. Very few observations of this genus exist in public databases, suggesting it is either rare, poorly sampled, or restricted to specific habitats.
Thecesternus
bison dung weevils, bison snout beetles
Thecesternus is a genus of flightless, nocturnal broad-nosed weevils comprising approximately seven described species. These small beetles, measuring about six millimeters in length, are known for their truncated rostrum and habit of sheltering under bison dung in grassland habitats. The genus has been studied primarily through *T. hirsutus*, which was evaluated as a potential biological control agent for the invasive weed *Parthenium hysterophorus*.
Thecesternus humeralis
Thecesternus humeralis is a species of broad-nosed weevil in the family Curculionidae, described by Say in 1826. It is one of seven species in the genus Thecesternus, commonly known as "bison dung weevils" or "bison snout beetles" due to their historical association with seeking shelter under bison dung. The species is found in North America and shares the genus-wide traits of being small, flightless, nocturnal, and cryptic.
Thinoxenus
Thinoxenus is a genus of broad-nosed weevils (family Curculionidae) established by Horn in 1876. It belongs to the subfamily Entiminae and tribe Peritelini. At least one species, T. squalens, has been described. Information on its biology and ecology remains limited.
Trachyphloeosoma advena
broad-nosed weevil
Trachyphloeosoma advena is a species of broad-nosed weevil described by Zimmerman in 1956. It belongs to the tribe Trachyphloeini within the subfamily Entiminae. The species has been documented in the southeastern United States and Hawaii. As with other members of its genus, it is characterized by the broad rostrum typical of Entiminae weevils.
Trichalophus alternatus
Trichalophus alternatus is a species of broad-nosed weevil in the family Curculionidae, first described by Say in 1831. It is a member of the subfamily Entiminae, which comprises the so-called 'true' weevils characterized by their elongated snouts. The species has been documented across western North America from Alaska to Colorado.
Trichalophus brunneus
Trichalophus brunneus is a broad-nosed weevil in the family Curculionidae. It is currently treated as a synonym of Trichalophus didymus. The species was described by Van Dyke in 1927 and is known from western North America, including Alaska, Alberta, British Columbia, Colorado, and Idaho.
Trichalophus didymus
broad-nosed weevil
Trichalophus didymus is a broad-nosed weevil in the family Curculionidae. It is native to western North America, with records from Alaska through the Canadian provinces of Alberta and British Columbia to the western United States including Colorado and Idaho. The species was described by John Lawrence LeConte in 1856.
Trichalophus simplex
Trichalophus simplex is a species of broad-nosed weevil in the beetle family Curculionidae, subfamily Entiminae. It is found in North America, with confirmed records from the Canadian provinces of Alberta, Manitoba, Saskatchewan, and the Northwest Territories, as well as the U.S. state of Colorado. The species was described by LeConte in 1876.
Triglyphulus
Triglyphulus is a genus of weevils in the family Curculionidae, subfamily Entiminae, described by Cockerell in 1906. It belongs to the tribe Byrsopagini, a group of broad-nosed weevils. The taxonomic status of this genus has been treated differently across sources, with Catalogue of Life listing it as a synonym under Trichalophus, while GBIF accepts it as a valid genus. The genus is represented by limited observations, with only 12 records documented on iNaturalist.
Trigonoscuta cruzi
Cruz's broad-nosed weevil
Trigonoscuta cruzi is a species of broad-nosed weevil in the family Curculionidae. It was described by Pierce in 1975. The species is found in North America, with distribution records from California. Six subspecies are recognized, including the nominate subspecies and five others described by Pierce in 1975.