Broad-nosed-weevil
Guides
Diaprepes
Diaprepes weevils, citrus root weevils
Diaprepes is a genus of broad-nosed weevils in the family Curculionidae, subfamily Entiminae, tribe Eustylini. It belongs to the Exophthalmus genus complex. The genus contains approximately 16 described species, with Diaprepes abbreviatus being the most economically significant as a major agricultural pest of citrus and other crops in Florida and the Caribbean. The genus is native to the Caribbean region and has expanded its range to include parts of Central America and the southeastern United States.
Dichoxenus setiger
Dichoxenus setiger is a broad-nosed weevil in the family Curculionidae, subfamily Entiminae, tribe Byrsopagini. The species was described by Horn in 1876. A 2024 taxonomic revision of the genus Dichoxenus clarified that D. setiger does not include the former subspecies D. setiger arkansasensis, which was synonymized with D. granulatus. The genus comprises 25 species distributed in North America, primarily Mexico and the southern United States.
Dirotognathus
Dirotognathus 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: D. punctatus (Hatch, 1971) and D. sordidus (Horn, 1876). As members of the subfamily Entiminae, these weevils possess the characteristic short, broad rostrum typical of broad-nosed weevils. The genus is placed in the tribe Byrsopagini. Very few observations exist in biodiversity databases, suggesting it may be rarely encountered or understudied.
Dyslobus
Dyslobus is a genus of broad-nosed weevils (Curculionidae: Entiminae) in the tribe Byrsopagini, established by LeConte in 1869. Species in this genus are native to western North America, particularly California, and are associated with woody vegetation. The genus is part of the diverse Entiminae subfamily, whose larvae typically develop in soil and feed on roots.
Dyslobus alternatus
Dyslobus alternatus is a species of broad-nosed weevil in the family Curculionidae, native to western North America. It belongs to the tribe Byrsopagini within the subfamily Entiminae. The species was described by George Henry Horn in 1876.
Dyslobus lecontei
A species of 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 distributed along the Pacific coast of North America from British Columbia to California.
Dyslobus verrucifer
Dyslobus verrucifer is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. It was described by Casey in 1895. The species is known from the Pacific Northwest region of North America, with records from British Columbia south through Washington, Oregon, Idaho, and Montana. Like other members of the tribe Byrsopagini, it is a flightless weevil with a compact, heavily sclerotized body form.
Dysticheus
Dysticheus is a genus of broad-nosed weevils in the family Curculionidae, established by Horn in 1876. It belongs to the subfamily Entiminae and tribe Peritelini. The genus contains at least two described species: Dysticheus insignis (Horn, 1876) and Dysticheus rotundicollis (Van Dyke, 1953). Members of this genus are part of the diverse weevil fauna of North America.
Epicaerus
broad-nosed weevils
Epicaerus is a genus of broad-nosed weevils in the tribe Geonemini, family Curculionidae. The genus contains more than 90 described species distributed across North America and Central America. At least one species, E. panamensis, has been documented as a pest of potato cultivars in Panama. The genus is characterized by the typical broad-nosed weevil morphology associated with the subfamily Entiminae.
Epicaerus benjamini
Epicaerus benjamini is a species of broad-nosed weevil in the family Curculionidae, described by Pierce in 1913. It belongs to the tribe Geonemini within the subfamily Entiminae. The species is known from North America, with documented records from Texas.
Epicaerus mexicanus
Brown Leaf Notcher, Mexican Root Weevil
Epicaerus mexicanus is a species of broad-nosed weevil in the beetle family Curculionidae, commonly known as the brown leaf notcher or Mexican root weevil. It is found in North America, with records from Mexico including states such as Guanajuato, Guerrero, and Oaxaca. The species belongs to the subfamily Entiminae, a diverse group of weevils often associated with feeding on plant foliage and roots.
Epicaerus texanus
Epicaerus texanus is a species of broad-nosed weevil in the family Curculionidae. The species was described by Casey in 1888 and is known from North America, with records from Texas. As a member of the subfamily Entiminae, it possesses the characteristic short, broad rostrum typical of this group. Very little specific ecological or behavioral information has been documented for this particular species.
Ericydeus
broad-nosed weevils
Ericydeus is a genus of broad-nosed weevils (Curculionidae: Entiminae: Naupactini) containing 16 described species distributed from the United States through Central America to Argentina. The genus was revised in 1995, revealing distinct biogeographic patterns: South American species form one clade and Central/North American species form another, with character evolution following a southern-to-northern direction. Species exhibit varied coloration including metallic green, coppery, and punctate patterns.
broad-nosed-weevilNaupactiniEntiminaeNeotropicalbiogeographycladisticsweevilColeopteraCurculionidaeAmericasmetallic-colorationpunctate-elytraPascoe-1880systematic-revision-199516-speciesphylogenetic-biogeographysouthern-northern-character-evolutionSouth-America-cladeCentral-America-cladeNorth-America-cladeE.-sedecimpunctatusE.-modestusE.-hancockiE.-schoenherriE.-yucatanusE.-roseiventrisE.-quadripunctatusE.-cupreolusE.-viridansE.-duodecimpunctatusE.-forreriE.-lautusE.-placidusE.-argentinensisE.-bahiensisE.-nigropunctatusE.-humeralis-synonymizedE.-modestus-viridans-elevatedE.-modestus-duodecimpunctatus-elevatedEricydeus lautus
Ericydeus lautus is a species of broad-nosed weevil in the beetle family Curculionidae. It was first described by LeConte in 1856. The species belongs to a predominantly New World genus distributed from North America through Central America to South America. Phylogenetic analysis places E. lautus in a clade with other North and Central American species, distinct from South American congeners.
Ericydeus placidus
Ericydeus placidus is a species of broad-nosed weevil in the family Curculionidae. It belongs to the tribe Naupactini, a group of New World weevils. The species was described by Horn in 1876 and is currently accepted as valid. Very little specific information has been published about its biology or ecology.
Eucyllus
Eucyllus is a genus of broad-nosed weevils established by Horn in 1876. The genus contains approximately eight described species distributed in western North America. As members of the subfamily Entiminae, these weevils possess the characteristic short, broad rostrum typical of the group. Species have been described from the late 19th century through 1972.
Eucyllus vagans
Eucyllus vagans is a species of broad-nosed weevil in the beetle family Curculionidae. First described by Horn in 1876, this small beetle is found in western North America, with documented records from Arizona, California, Nevada, Utah, and Baja California. As a member of the subfamily Entiminae, it possesses the characteristic short, broad snout typical of this group.
Eudiagogini
Eudiagogini is a tribe of broad-nosed weevils (Curculionidae: Entiminae) comprising approximately 98 extant species in 10 genera, with highest diversity in the Neotropics. The tribe is characterized by distinctive morphological synapomorphies including a cavernous prementum and a metaventrite bearing a spine-like swelling anterior to each metacoxa. Phylogenetic analyses based on morphology and molecular data (COI and ribosomal markers) confirm the monophyly of Eudiagogini, though the genus Chileudius has been excluded and placed as incertae sedis within Entiminae. The tribe has a fossil record in Eocene European amber, indicating a broader historical distribution.
Eudiagogus pulcher
Beautiful Clown Weevil, Sesbania Clown Weevil
Eudiagogus pulcher is a species of broad-nosed weevil in the beetle family Curculionidae, first described by Fåhraeus in 1840. It is commonly known as the Beautiful Clown Weevil or Sesbania Clown Weevil. The species is native to North America, with documented occurrence records from Alabama, Arizona, California, Florida, and Georgia. It is a moderately well-observed species with over 1,400 citizen science records on iNaturalist.
Eudiagogus rosenschoeldi
Speckled Clown Weevil
A broad-nosed weevil in the family Curculionidae, commonly known as the Speckled Clown Weevil. It is found in the southeastern United States. The species was described by Fåhraeus in 1840.
Eustylini
Eustylini is a tribe of broad-nosed weevils (Curculionidae: Entiminae) primarily restricted to the Neotropical region. The tribe comprises approximately 25 genera and 339 described species, with highest diversity in the Caribbean, Central America, and northern South America. Species are medium to large (10–25 mm) and often strikingly colored with variable scale coverage. The tribe includes notable agricultural pests, particularly Diaprepes abbreviatus, which causes significant economic damage to citrus and other crops. Taxonomic boundaries remain unclear due to phylogenetic clustering with Geonemini.
Evotus
Evotus is a genus of broad-nosed weevils established by LeConte in 1874. The genus contains at least one described species, E. naso. As members of the subfamily Entiminae, these weevils are characterized by their broad, short rostrum (snout) and elbowed antennae. The genus is placed in the tribe Phyllobiini within the family Curculionidae, the largest family of beetles.
Geodercodes
Geodercodes is a genus of broad-nosed weevils in the family Curculionidae, established by Casey in 1888. The genus contains at least two described species: G. hispidus (Horn, 1894) and G. latipennis (Casey, 1888). As members of the subfamily Entiminae, these weevils are characterized by their broad, short rostrums. The genus is relatively poorly documented, with limited biological and ecological information available.
Hadromeropsis opalina
opaline broad-nosed weevil
Hadromeropsis opalina is a species of broad-nosed weevil in the beetle family Curculionidae, described by Horn in 1876. The species is known from North America. As a member of the broad-nosed weevil group (subfamily Entiminae), it possesses the characteristic elongated snout and elbowed antennae typical of the family. Published records and observations remain limited.
Hormorini
Hormorini is a tribe of weevils within the subfamily Entiminae, established by Horn in 1876. The tribe comprises approximately 22 genera distributed across multiple continents. Members are classified in the family Curculionidae, the largest family of beetles. The tribe is characterized by morphological features typical of Entiminae, including a broad connection between the rostrum and head.
Hormorus
lily of the valley weevil (H. undulatus)
Hormorus is a genus of broad-nosed weevils (Curculionidae: Entiminae) established by Horn in 1876. The genus comprises at least two described species: Hormorus undulatus, commonly known as the lily of the valley weevil, and Hormorus saxorum. These weevils belong to the tribe Hormorini and are part of the diverse broad-nosed weevil subfamily Entiminae.
Hormorus undulatus
lily of the valley weevil
Hormorus undulatus, commonly known as the lily of the valley weevil, is a broad-nosed weevil in the family Curculionidae. The species was first described by Uhler in 1856 under the basionym Chlorophanus undulatus. It is distributed across parts of North America, with confirmed records from Alberta, Connecticut, Illinois, Indiana, and Iowa. As a member of the subfamily Entiminae, it possesses the characteristic short, broad rostrum typical of this group.
Isodacrys burkei
broad-nosed weevil
Isodacrys burkei is a species of broad-nosed weevil described by Howden in 1961. It belongs to the family Curculionidae, the largest family of beetles. The species is known from North America, though specific details about its biology and ecology remain limited.
Isodacrys ovipennis
Isodacrys ovipennis is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. The species was described by Schaffer in 1908. Available records indicate a distribution in Texas, USA and Mexico. As a member of the tribe Tanymecini, it belongs to a group of weevils characterized by elongated rostra and typically associated with herbaceous vegetation.
Isodrusus
Isodrusus is a genus of weevils (family Curculionidae) in the subfamily Entiminae, described by Sharp in 1911. It belongs to the tribe Tanymecini, a group of broad-nosed weevils characterized by their relatively short rostrums. The genus is poorly documented in public sources, with no observations recorded on iNaturalist and no species-level information readily available. Its taxonomic placement within Tanymecini suggests morphological affinities with other genera in this tribe, which are primarily herbivorous.
Lachnopus
Lachnopus is a genus of broad-nosed weevils (Curculionidae: Entiminae: Geonemini) comprising 73 described species, making it the most diverse and widespread entimine weevil genus in the Caribbean Region. The genus was established by Schönherr in 1840 and has experienced unstable taxonomic placement, having been assigned to Cyphides, Barynotini, and currently Geonemini. Its validity as a distinct genus from Exophthalmus was confirmed by Franz (2012). Girón et al. (2018) recognized six species groups within the genus based on morphological phylogenetic analysis.
Lepidophorus
Lepidophorus is a genus of broad-nosed weevils in the family Curculionidae, established by Kirby in 1837. The genus contains approximately 13 described species. These beetles belong to the subfamily Entiminae and tribe Byrsopagini. Distribution records indicate presence in Canada and the United States.
Lepidophorus inquinatus
Lepidophorus inquinatus is a broad-nosed weevil in the family Curculionidae, first described by Mannerheim in 1852. It belongs to the subfamily Entiminae and tribe Byrsopagini. The species is known from northwestern North America, with records from Alaska and British Columbia.
Lepidophorus lineaticollis
Lepidophorus lineaticollis is a species of broad-nosed weevil in the family Curculionidae. It is distributed across high-latitude regions of North America and Eurasia, including Alaska, British Columbia, and the Chukotka region of Russia. The species was described by William Kirby in 1837. It belongs to the subfamily Entiminae, a diverse group of root-feeding weevils.
Leptopinara
Leptopinara is a genus of broad-nosed weevils (Curculionidae: Entiminae) established by O'Brien in 1981. The genus belongs to the tribe Byrsopagini, a group of flightless weevils often associated with soil or leaf litter habitats. Species in this genus are characterized by their elongated, slender body form relative to other byrsopagine weevils. The genus is known from the United States.
Lupinocolus
Lupinocolus is a genus of broad-nosed weevils (subfamily Entiminae) in the family Curculionidae. The genus was established by Van Dyke in 1936 and contains at least one described species, L. blaisdelli. Like other entimine weevils, members of this genus possess a short, broad rostrum and geniculate (elbowed) antennae. The genus name suggests an association with lupine plants (genus Lupinus), though this host relationship requires confirmation.
Melanolemma
Melanolemma is a genus of broad-nosed weevils in the family Curculionidae, established by Van Dyke in 1935. The genus is currently considered a synonym of Peritaxia according to the Catalogue of Life, though it remains listed as accepted in GBIF and NCBI. Only one species, M. montana, has been formally described. The genus belongs to the tribe Byrsopagini within the subfamily Entiminae.
Mesagroicus
Mesagroicus is a genus of broad-nosed weevils in the family Curculionidae, established by Schönherr in 1840. The genus contains at least 40 described species and is classified within the subfamily Entiminae and tribe Psallidiini. These weevils belong to the diverse group of entimine weevils, which are characterized by their broad rostrum and typically root-feeding larval habits.
Mesagroicus hispidus
hispid broad-nosed weevil
Mesagroicus hispidus is a species of broad-nosed weevil in the family Curculionidae. The species was described by Buchanan in 1929. It belongs to the subfamily Entiminae, a group commonly known as broad-nosed or root weevils. The specific epithet 'hispidus' refers to a bristly or hairy surface texture, likely describing the integument of this species.
Mesagroicus minor
Mesagroicus minor is a species of broad-nosed weevil (family Curculionidae, subfamily Entiminae) described by Buchanan in 1929. It belongs to the tribe Psallidiini and is native to North America. The genus Mesagroicus contains multiple species of weevils, with M. minor being one of the documented members. Like other entimine weevils, adults possess a broad snout and elbowed antennae.
Miloderes nelsoni
Nelson's Miloderes Weevil
Miloderes nelsoni is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. The species was described by David G. Kissinger in 1960. It belongs to the tribe Byrsopagini, a group of flightless weevils characterized by their fused elytra and reduced hind wings. The specific epithet honors an individual named Nelson, though the exact honoree has not been documented in available sources. Records indicate presence in California, specifically Inyo County.
Minyomerus laticeps
broad-nosed weevil
Minyomerus laticeps is a species of broad-nosed weevil in the family Curculionidae, first described by Casey in 1888. It belongs to the subfamily Entiminae, a group characterized by their broad, short rostrums. The species has been recorded from the southwestern United States and adjacent Mexico.
Minyomerus microps
broad-nosed weevil
Minyomerus microps is a species of broad-nosed weevil in the beetle family Curculionidae. It was first described by Thomas Say in 1831. The species is known from scattered records across North America. As a member of the subfamily Entiminae, it belongs to a group of weevils commonly referred to as broad-nosed or root weevils.
Mitostylus elongatus
broad-nosed weevil
Mitostylus elongatus is a species of broad-nosed weevil in the beetle family Curculionidae. The species was described by Van Dyke in 1936. It is known from North America, with confirmed records from Texas.
Mitostylus setosus
Mitostylus setosus is a species of broad-nosed weevil in the family Curculionidae, first described by Sharp in 1911. It belongs to the tribe Sciaphilini within the subfamily Entiminae. The species has been recorded from multiple locations across southwestern North America, including Arizona, California, and several Mexican states. As a member of this genus, it likely shares the general characteristics of other Mitostylus species, though specific biological details remain poorly documented in the available literature.
Mitostylus tenuis
broomweed broad-nosed weevil
Mitostylus tenuis is a broad-nosed weevil in the family Curculionidae, described by Horn in 1876. The common name 'broomweed broad-nosed weevil' suggests an association with broomweed (Gutierrezia spp.), a genus of composite plants. The species is known from North America, with records from Oklahoma and Texas.
Naupactus pallidulus
Naupactus pallidulus is a species of broad-nosed weevil in the family Curculionidae. It belongs to a large genus of exclusively Neotropical weevils commonly known as "white-fringed weevils." The genus Naupactus has undergone taxonomic revision, with former genera such as Graphognathus now synonymized under it. Many Naupactus species have become economically significant as agricultural pests, with several introduced to North America and other regions.
Naupactus pallidus
Naupactus pallidus is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. It belongs to the diverse Neotropical genus Naupactus, commonly known as white-fringed weevils. Species in this genus are characterized by their elongated bodies, distinct rostrums, and often pale or whitish markings on the elytra. Many Naupactus species have become agricultural pests, with some introduced to North America.
Naupactus peregrinus
Naupactus peregrinus is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. It belongs to the large Neotropical genus Naupactus, commonly known as "white-fringed weevils." The species has been recorded from the southeastern United States (Alabama, Arkansas, Florida) and parts of South America (Chaco, Entre Ríos in Argentina). Like other members of its genus, it is likely associated with vegetation and may have been introduced to some regions, though specific ecological details remain poorly documented.
Nemocestes horni
Nemocestes horni is a species of broad-nosed weevil (family Curculionidae, subfamily Entiminae) described by Van Dyke in 1936. It belongs to the tribe Peritelini, a group of weevils characterized by their broad, short rostrums. The species is known from scattered localities across North America, including the Pacific Northwest, Great Lakes region, and northeastern United States.