Broad-nosed-weevil
Guides
Achrastenus
Achrastenus is a genus of broad-nosed weevils established by Horn in 1876. The genus contains at least one described species, Achrastenus griseus. It belongs to the tribe Eustylini within the subfamily Entiminae of the weevil family Curculionidae. The genus is known from Texas.
Adaleres
broad-nosed weevils
Adaleres is a genus of broad-nosed weevils in the family Curculionidae, containing at least three described species: A. flandersi, A. humeralis, and A. ovipennis. The genus was established by Casey in 1895 and is classified within the tribe Byrsopagini of the subfamily Entiminae. These weevils are distributed in western North America, with records from California and Mexico.
Adaleres ovipennis
Adaleres ovipennis is a broad-nosed weevil in the family Curculionidae, described by Casey in 1895. It belongs to the tribe Byrsopagini within the subfamily Entiminae. The species is recorded from North America, with specific distribution records from California, particularly Sonoma County. As a member of the broad-nosed weevils, it shares the characteristic short, broad rostrum typical of Entiminae.
Agasphaerops
Agasphaerops is a genus of broad-nosed weevils in the family Curculionidae, established by Horn in 1876. The genus belongs to the subfamily Entiminae and tribe Hormorini. It contains at least two described species: A. niger and A. nigra. The latter, commonly called the lily weevil, is the better-known species.
Agasphaerops nigra
lily weevil
Agasphaerops nigra, commonly known as the lily weevil, is a broad-nosed weevil in the family Curculionidae. The species was described by Horn in 1876 and is found in western North America, with records from British Columbia, Washington, Oregon, and California. The common name suggests an association with lilies, though specific biological details remain poorly documented in available sources.
Agraphus
Agraphus is a monotypic genus of broad-nosed weevils in the family Curculionidae, containing a single species, Agraphus bellicus. The genus was established by Thomas Say in 1831 and is classified within the subfamily Entiminae and tribe Agraphini. It is endemic to the eastern United States.
Agraphus bellicus
Agraphus bellicus is a species of broad-nosed weevil in the family Curculionidae, first described by Thomas Say in 1831. It belongs to the subfamily Entiminae, a diverse group of weevils characterized by their elongated snouts and root-feeding larvae. The species has been documented in several eastern U.S. states, with records concentrated in the Mid-Atlantic and Florida regions. Like other members of its genus, it is likely associated with herbaceous vegetation, though specific ecological details remain poorly documented.
Agronus
broad-nosed weevils
Agronus is a genus of broad-nosed weevils (subfamily Entiminae) in the weevil family Curculionidae. The genus was established by Horn in 1876 and contains at least three described species native to North America. Members are placed in the tribe Otiorhynchini, a diverse group of root-feeding weevils.
Agronus carri
Carr's Broad-nosed Weevil
Agronus carri is a species of broad-nosed weevil in the family Curculionidae, described by Buchanan in 1929. It is known from western North America, with confirmed records from Alberta, British Columbia, and Montana. As a member of the Entiminae subfamily, it possesses the characteristic short, broad rostrum typical of broad-nosed weevils. The species is poorly documented in scientific literature beyond basic taxonomic description and distribution records.
Amotus
Amotus is a genus of broad-nosed weevils in the family Curculionidae, established by Casey in 1888. The genus contains at least three described species distributed in North America. As members of the subfamily Entiminae and tribe Tanymecini, these weevils share characteristics with other broad-nosed weevils, including a broad, short rostrum. The genus is poorly documented in ecological literature.
Amotus setulosus
Amotus setulosus is a species of broad-nosed weevil in the family Curculionidae, described by Schönherr in 1847. As a member of the subfamily Entiminae, it possesses the characteristic short, broad snout typical of this group. The species is known to occur in North America.
Anametis
Anametis is a genus of broad-nosed weevils in the beetle family Curculionidae, established by Horn in 1876. The genus contains at least two described species: Anametis granulata and Anametis subfusca. These weevils belong to the subfamily Entiminae, a large group of root-feeding weevils characterized by their broad, short rostrums. The genus is native to North America.
Anametis granulata
Granular Broad-nosed Weevil
Anametis granulata is a broad-nosed weevil in the family Curculionidae, commonly known as the Granular Broad-nosed Weevil. It is distributed across northern North America, with records from multiple Canadian provinces including Alberta, British Columbia, Manitoba, and Ontario. As an entimine weevil, it belongs to a group characterized by broad, short rostra and root-feeding larvae.
Anametis subfusca
Anametis subfusca is a species of broad-nosed weevil in the beetle family Curculionidae. The species was described by Fall in 1907. It is currently recognized as valid by GBIF and NCBI, though Catalogue of Life lists it as a synonym of Dichoxenus subfuscus. It occurs in North America.
Aphrastus
Aphrastus is a genus of broad-nosed weevils (Entiminae) established by Thomas Say in 1831. The genus contains five described species distributed across North America and Mexico. These weevils are placed in the tribe Phyllobiini within the family Curculionidae. The genus is represented by 589 iNaturalist observations, indicating moderate documentation of its occurrence in the field.
Aphrastus griseus
Aphrastus griseus is a species of broad-nosed weevil in the family Curculionidae, described by Blatchley in 1916. It belongs to the tribe Phyllobiini within the subfamily Entiminae. The species is documented from the southeastern United States, with records from Florida, Georgia, and Indiana. Like other members of its genus, it is likely associated with woody vegetation, though specific host plant relationships remain poorly documented.
Aracanthus
Aracanthus is a genus of broad-nosed weevils in the beetle family Curculionidae, established by Thomas Say in 1831. The genus comprises nine described species distributed primarily in South America. These weevils belong to the subfamily Entiminae and tribe Eudiagogini. The genus includes Aracanthus pallidus, one of the earliest described species originally placed in a different genus by Say.
Aracanthus pallidus
pale broad-nosed weevil
Aracanthus pallidus is a species of broad-nosed weevil in the beetle family Curculionidae. It was described by Thomas Say in 1831. The species is found in North America, with distribution records from Arkansas, Illinois, Iowa, Kentucky, and Mississippi. As a member of the Entiminae subfamily, it possesses the characteristic short, broad rostrum typical of broad-nosed weevils.
Aragnomus griseus
Aragnomus griseus is a species of broad-nosed weevil in the family Curculionidae. It was described by Horn in 1876. The species is native to North America, with confirmed records from the western United States. As a member of the Entiminae subfamily, it possesses the characteristic short, broad rostrum typical of this group.
Aramigus tessellatus
Aramigus tessellatus is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. The species was originally described by Thomas Say in 1824 under the basionym Liparus tessellatus. It belongs to the tribe Naupactini, a group of weevils primarily distributed in the Americas. Distribution records indicate presence in Argentina, Brazil, and Chile, suggesting a South American range. As with many entimine weevils, adults likely feed on plant foliage, though specific host associations for this species remain poorly documented.
Artipus
broad-nosed weevils
Artipus is a genus of broad-nosed weevils (Curculionidae) established by Sahlberg in 1823. The genus comprises approximately ten described species distributed primarily in the Americas, with the best-documented species being Artipus floridanus, commonly known as the little leaf notcher. Members of this genus are associated with herbaceous feeding habits, with A. floridanus documented as a pest of citrus and various weed hosts in Florida. The genus belongs to the tribe Geonemini within the subfamily Entiminae.
Artipus floridanus
little leaf notcher
Artipus floridanus, commonly known as the little leaf notcher, is a broad-nosed weevil in the family Curculionidae. It is native to North America, with documented occurrence in Florida and association with citrus groves and weed hosts. The species has been studied for its distribution patterns on cultivated and wild host plants, and laboratory rearing methods have been developed for biological study. It serves as a host for the tachinid parasitoid Oestrophasia (Cenosoma) sabroskyi.
Atrichonotus
Atrichonotus is a genus of broad-nosed weevils (family Curculionidae) comprising nine described species. The genus was established by Buchanan in 1939 and is classified within the tribe Naupactini. At least one species, Atrichonotus taeniatulus, has been introduced and established in New Zealand from its native South American range. The genus is part of the diverse Entiminae subfamily, commonly known as broad-nosed or root weevils.
Barynotus
Barynotus is a genus of broad-nosed weevils (Curculionidae: Entiminae) comprising 25 species distributed primarily in the Palaearctic region. These are relatively large weevils with predominantly nocturnal activity patterns. The genus exhibits diverse reproductive strategies, with some species being amphigonic and others parthenogenetic.
Brachyderini
Brachyderini is a tribe of weevils within the subfamily Entiminae (broad-nosed weevils), characterized by a relatively short, broad rostrum compared to other weevil groups. The tribe contains approximately 28 genera distributed across the Holarctic region, with notable genera including Brachyderes, Strophosoma, and Neliocarus. Members of this tribe are primarily associated with temperate forest and woodland habitats.
Brachysomus
Brachysomus is a genus of weevils in the family Curculionidae, subfamily Entiminae, tribe Sciaphilini. First described by Schönherr in 1823, the genus currently comprises approximately 56 species distributed primarily across the Palaearctic region. The genus was formerly known as Platytarsus (Schoenherr, 1840), now synonymized. Brachysomus species are small to medium-sized broad-nosed weevils characterized by distinctive morphological features including particular arrangements of setae and body sculpturing.
Brachystylus
Brachystylus is a genus of weevils in the family Curculionidae, subfamily Entiminae, and tribe Eustylini. The genus was described by Schönherr in 1845. Members of this genus are broad-nosed weevils, a group characterized by their short, broad rostrums. The genus has been documented in iNaturalist with 191 observations, indicating moderate recognition among naturalists.
Brachystylus sayi
Banded Persimmon Weevil
Brachystylus sayi, commonly known as the Banded Persimmon Weevil, is a species of broad-nosed weevil in the family Curculionidae. The species was described by Alonso-Zarazaga in 1994 and belongs to the subfamily Entiminae, tribe Eustylini. It is one of the species within the genus Brachystylus, a group of weevils associated with persimmon and related host plants.
Bradyrhynchoides constrictus
broad-nosed weevil
Bradyrhynchoides constrictus is a species of broad-nosed weevil in the beetle family Curculionidae. It was described by Pierce in 1913. The species is known from North America, with confirmed distribution records from Texas. As a member of the subfamily Entiminae, it possesses the characteristic short, broad rostrum typical of this group.
Calomycterus
oriental broad-nosed weevils
Calomycterus is a genus of weevils in the family Curculionidae, established by Roelofs in 1873. The genus comprises approximately 11 described species distributed across parts of Asia and Africa. Members are classified within the subfamily Entiminae, tribe Cyphicerini, subtribe Acanthotrachelina. One species, Calomycterus setarius, has been introduced to North America where it is known as the imported long-horned weevil.
Calomycterus setarius
Imported Long-horned Weevil
Calomycterus setarius, commonly known as the imported long-horned weevil, is a broad-nosed weevil native to Japan that has become established in eastern North America. The species belongs to the family Curculionidae and is classified within the subfamily Entiminae. It is frequently encountered in the northeastern and midwestern United States, with confirmed records from states including Connecticut, Illinois, Indiana, and Iowa.
Calyptillus
Calyptillus is a genus of broad-nosed weevils in the beetle family Curculionidae, described by Horn in 1876. The genus contains at least one described species, C. cryptops. It belongs to the tribe Geonemini within the subfamily Entiminae. Information about its biology and ecology remains sparse.
Calyptillus cryptops
Calyptillus cryptops is a species of weevil in the family Curculionidae, subfamily Entiminae, described by George Henry Horn in 1876. It is native to the central United States. The genus Calyptillus belongs to the tribe Geonemini, a group of broad-nosed weevils.
Cathormiocerus
Cathormiocerus is a genus of weevils in the family Curculionidae, subfamily Entiminae, and tribe Trachyphloeini. It was established by Schönherr in 1842. The genus is distributed across parts of Europe and Africa, with records from Denmark, Norway, Sweden, and Tanzania. Members of this genus are ground-dwelling weevils, consistent with the habits of their tribe.
Cathormiocerus aristatus
Cathormiocerus aristatus is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. It belongs to the tribe Trachyphloeini, a group of soil-dwelling weevils characterized by their rounded body form and short, broad rostrum. The species was described by Gyllenhal in 1827 and is recorded from several regions in Russia.
Cercopedius
Cercopedius is a genus of broad-nosed weevils (Curculionidae: Entiminae) established by Sleeper in 1955. The genus contains at least one described species, C. artemisiae. It belongs to the tribe Trachyphloeini, a group of flightless weevils characterized by fused elytra and reduced wings.
Cercopeus komareki
Cercopeus komareki is a species of broad-nosed weevil described by O'Brien in 1977. It belongs to the tribe Trachyphloeini within the subfamily Entiminae of the Curculionidae family. The species is known from a limited number of records in the southeastern United States.
Cimbocera pauper
broad-nosed weevil
Cimbocera pauper is a species of broad-nosed weevil in the family Curculionidae, first described by Horn in 1876. It belongs to the subfamily Entiminae and tribe Byrsopagini. The species is known from North America, with records from western Canadian provinces including Alberta, British Columbia, and Saskatchewan.
Colecerus
broad-nosed weevils
Colecerus is a genus of broad-nosed weevils in the family Curculionidae, established by Schönherr in 1840. The genus contains approximately nine described species distributed in the Americas, with records from the southwestern United States through Central America to northern South America. Members of this genus are classified in the subfamily Entiminae and tribe Eudiagogini. The genus includes the Texas marbled weevil (Colecerus marmoratus), a species with documented occurrence in Texas.
Colecerus marmoratus
Texas Marbled Weevil
Colecerus marmoratus, commonly known as the Texas marbled weevil, is a broad-nosed weevil in the family Curculionidae. It is native to North America, with records concentrated in Texas and Mexico. The species is part of the subfamily Entiminae, a diverse group of weevils characterized by their broad rostrums.
Compsus auricephalus
golden-headed weevil
Compsus auricephalus is a broad-nosed weevil in the family Curculionidae, native to the southern United States and Central America. It is the northernmost species of the predominantly Neotropical genus Compsus and the only native representative of the genus in the USA. The species exhibits two distinct color morphotypes: a typical green form with pink to coppery head and legs, and a uniformly white to pale brown form. It shows considerable morphological variation across its range, including body shape, elytral apices, and pronounced sexual size dimorphism.
Crocidema
broad-nosed weevils
Crocidema is a genus of broad-nosed weevils in the beetle family Curculionidae. The genus contains six described species, all described by Van Dyke between 1934 and 1951. Species are restricted to western North America, with distributions in Arizona and California. The genus is classified in the subfamily Entiminae, tribe Byrsopagini.
Crocidema arizonica
broad-nosed weevil
Crocidema arizonica is a species of broad-nosed weevil in the beetle family Curculionidae, described by Van Dyke in 1951. It belongs to the subfamily Entiminae, a diverse group of weevils characterized by their broad rostrum and typically root-feeding larvae. The species is known from the southwestern United States.
Cryptolepidus
Cryptolepidus is a genus of broad-nosed weevils in the family Curculionidae, established by Van Dyke in 1936. The genus comprises approximately eight described species, distributed primarily in western North America. Species are found in arid and semi-arid regions, with several named after their type localities in Nevada, Utah, and Colorado. The genus is classified within the tribe Geonemini of the subfamily Entiminae.
Cryptolepidus leechi
Cryptolepidus leechi is a species of broad-nosed weevil described by Ting in 1940. It belongs to the family Curculionidae, the largest family of beetles. The species is known from western North America, with records from California and Nevada.
Cyphicerini
Oriental Broad-nosed Weevils
Cyphicerini is a tribe of weevils in the subfamily Entiminae, commonly referred to as Oriental Broad-nosed Weevils. The tribe contains approximately 134 genera and is characterized by its distribution across Oriental biogeographic regions. Members of this tribe possess the broad rostrum typical of entimine weevils.
Cyrtepistomus
oriental broad-nosed weevils
Cyrtepistomus is a genus of oriental broad-nosed weevils in the family Curculionidae, containing at least 20 described species. The genus is native to Asia, with some species introduced to North America. One well-documented species, Cyrtepistomus castaneus, is known as the Asiatic oak weevil and has established populations feeding on oak trees in North American forests.
Cyrtepistomus castaneus
Asiatic oak weevil, Asian oak weevil
Cyrtepistomus castaneus, commonly known as the Asiatic oak weevil, is an invasive broad-nosed weevil native to Asia that was first detected in North America in 1933. Adults are folivores that feed on oak (Quercus) and red maple (Acer rubrum) leaves, while larvae develop in soil feeding on root hairs. The species has established widespread populations across eastern and central North America.
Dermatodini
Dermatodini is a tribe of weevils within the subfamily Entiminae, established by van Emden in 1936. The tribe comprises approximately 20 recognized genera distributed across multiple continents. Some sources treat Dermatodini as a synonym of Cneorhinini, reflecting ongoing taxonomic uncertainty in the classification of broad-nosed weevils. Members of this tribe are morphologically diverse, with several genera exhibiting distinctive eye structures and body forms.
Diamimus
Diamimus is a genus of broad-nosed weevils (family Curculionidae) established by Horn in 1876. The genus belongs to the tribe Byrsopagini within the subfamily Entiminae. At least one species, D. subsericeus, has been described. The genus has been recorded from the United States.