Curculionidae
Guides
Anthonomus rileyi
Anthonomus rileyi is a species of weevil in the family Curculionidae, described by Clark & Burke in 2010. The species epithet honors Edward Riley, a noted coleopterist and indefatigable collector of beetles. As a member of the genus Anthonomus, it belongs to a group commonly known as flower weevils or bud weevils, many of which are associated with specific host plants. The species was described relatively recently, and detailed biological information remains limited.
Anthonomus rubidus
Anthonomus rubidus is a species of true weevil in the beetle family Curculionidae. It was described by J.L. LeConte in 1876. The species is known from North America, with records from Canada including British Columbia, Ontario, and Québec. Beyond these basic taxonomic and distributional facts, little detailed information about its biology or ecology is documented in available sources.
Anthonomus rufipes
Anthonomus rufipes is a species of true weevil in the beetle family Curculionidae. The species was described by John Lawrence LeConte in 1876. It is distributed across North America, with confirmed records from Canada (Alberta, Québec, and Saskatchewan) and the United States. As a member of the genus Anthonomus, it belongs to a group commonly known as cotton boll weevils and related species, many of which are associated with plants in the family Malvaceae.
Anthonomus sanborni
Anthonomus sanborni is a species of weevil in the family Curculionidae, described by Clark & Burke in 2010. As a member of the large genus Anthonomus, it belongs to a group commonly known as cotton boll weevils and their relatives. The species was described relatively recently, and detailed biological information remains limited in publicly available sources.
Anthonomus sexguttatus
Anthonomus sexguttatus is a species of weevil in the family Curculionidae, first described by Dietz in 1891. It is a member of the large genus Anthonomus, which includes numerous species associated with various host plants. The specific epithet "sexguttatus" (six-spotted) suggests a distinctive spotted color pattern, though detailed descriptions of its morphology are limited in available sources. The species has been recorded in North America.
Anthonomus signatus
strawberry bud weevil, clipper
Anthonomus signatus, commonly known as the strawberry bud weevil or 'clipper,' is a small weevil native to North America and a significant agricultural pest of strawberry and raspberry crops. Adults measure approximately 3 mm (1/8 inch) and display distinctive copper, black, and white striping. The species derives its common name 'clipper' from the female's behavior of severing flower buds from host plants after egg deposition. It has been documented causing severe economic damage, with up to 55% bud injury observed in raspberry plantings in some years.
Anthonomus squamosus
Anthonomus squamosus is a species of true weevil in the family Curculionidae. It was described by J.L. LeConte in 1876. The species belongs to a species group characterized by distinctive scale patterns on the rostrum and body. It is native to North America.
Anthonomus suturalis
Sutured Weevil
Anthonomus suturalis is a species of true weevil in the family Curculionidae. It is found in North America, with records from Canada (British Columbia, Ontario, Québec) and the United States. The species was described by John LeConte in 1824. As a member of the large genus Anthonomus, it shares the characteristic elongated snout and compact body form typical of weevils in this group.
Anthonomus testaceosquamosus
hibiscus bud weevil
Anthonomus testaceosquamosus, commonly known as the hibiscus bud weevil, is a small curculionid weevil native to northeastern Mexico and southern Texas. The species was first detected as an invasive pest in south Florida in May 2017, where it infests China rose hibiscus (Hibiscus rosa-sinensis) in ornamental production systems. It has three larval instars and completes its life cycle only at 27±1°C. The species is now regulated in Florida due to significant economic damage to the hibiscus industry.
Anthonomus texanus
Anthonomus texanus is a species of true weevil in the family Curculionidae, described by Dietz in 1891. It is native to North America. Like other members of the genus Anthonomus, it is likely associated with plants, though specific host relationships and ecological details remain poorly documented. The species is represented by very few observations in biodiversity databases, indicating it is either genuinely rare, undercollected, or restricted in distribution.
Anthonomus xanthoxyli
Colima Anthonomine Weevil
Anthonomus xanthoxyli is a species of true weevil in the family Curculionidae, described by Linell in 1897. It is known from North America. The common name 'Colima Anthonomine Weevil' suggests a possible association with the genus Xanthoxylum (prickly ash), though this relationship remains undocumented in the available sources. As with other Anthonomus species, it likely exhibits the characteristic elongated snout and compact body form typical of flower weevils.
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.
Apinocis
Sugarcane rootstock weevil
Apinocis is a genus of weevils in the family Curculionidae, established by Lea in 1927. The best-known species is Apinocis deplanatus, commonly called the sugarcane rootstock weevil, which sporadically infests sorghum and sugarcane. Adults are small, dark beetles that overwinter in plant debris and migrate from wild grasses to cultivated crops. Larvae tunnel into stalk bases, causing lodging and secondary pathogen infection.
Apinocis deplanatus
sugarcane rootstock weevil
Apinocis deplanatus, commonly known as the sugarcane rootstock weevil, is a sporadic pest of sorghum and sugarcane in the southern United States. The species is associated with dry conditions and fields where johnsongrass is abundant. Adults overwinter beneath plant residues and infest wild grasses in spring before moving to cultivated sorghum. Larval tunneling in stalks near the soil surface causes the most significant damage, often resulting in lodging and secondary pathogen infection. Economic thresholds have not been established, and chemical control is rarely required.
Apinocis punctiger
Apinocis punctiger is a species of weevil in the family Curculionidae. The genus Apinocis is closely related to Anacentrinus, with some sources treating them as synonymous. No specific information about this species' biology, distribution, or ecology has been documented in available literature. The genus is known to include species associated with grasses and sedges.
Apinocis validulus
Apinocis validulus is a species of weevil in the family Curculionidae. The genus Apinocis includes species associated with grasses, with the sugarcane rootstock weevil (Apinocis deplanatus) being a documented pest of sorghum in Texas. Specific information about A. validulus is extremely limited in available sources.
Apleurus jacobinus
Apleurus jacobinus is a species of cylindrical weevil in the family Curculionidae, described by Anderson in 1987. It is known from North America. Information regarding its biology, ecology, and detailed morphology remains limited in published literature.
Apleurus lutulentus
Apleurus lutulentus is a species of cylindrical weevil in the family Curculionidae. It was described by Anderson in 1987. The species is known from North America. Like other members of its genus, it belongs to a group of weevils characterized by their elongated, cylindrical body form.
Apleurus saginatus
Apleurus saginatus is a cylindrical weevil in the family Curculionidae, described by Anderson in 1987. It is known from North America, though specific details about its biology remain poorly documented. The species belongs to a genus of weevils characterized by their elongated, cylindrical body form.
Apostasimerini
flower weevils
Apostasimerini is a large tribe of weevils within the family Curculionidae, commonly referred to as flower weevils. The tribe contains substantial diversity, with estimates ranging from 30+ genera and 70+ species to over 240 genera and nearly 1700 described species depending on taxonomic interpretation. Members are associated with flowering plants, though specific ecological relationships vary across the tribe. The group has been documented across multiple continents with notable representation in North America.
Apotrepus densicollis
Apotrepus densicollis is a species of true weevil in the family Curculionidae, first described by Casey in 1892. It is found in North America and has been documented in association with dead saguaro cactus. The species belongs to a genus with limited published ecological information.
Apteromechus
hidden snout weevils
Apteromechus is a genus of weevils in the family Curculionidae, commonly referred to as hidden snout weevils. The genus was described by J. Faust in 1896 and contains more than 20 described species. Members belong to the subfamily Cryptorhynchinae, a group characterized by their ability to fold their rostrum into a ventral groove. The genus is part of the diverse weevil fauna found across various regions.
Apteromechus texanus
Apteromechus texanus is a species of hidden snout weevil in the beetle family Curculionidae, described by Fall in 1925. The species is found in North America and is part of the genus Apteromechus, which comprises weevils with reduced or absent wings (apterous condition). Very little specific information has been published about this species beyond its original description and basic distribution records.
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.
Archarius
Archarius is a genus of weevils in the family Curculionidae, first described by Gistel in 1856. Species within this genus are distributed across Europe, Japan, and North America. The genus includes at least three recognized species: Archarius crux, Archarius pyrrhoceras, and Archarius salicivorus. It belongs to the suborder Polyphaga within the diverse beetle order Coleoptera.
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.
Atractomerus
Atractomerus is a genus of weevils (Curculionidae) established by Schoenherr in 1833. At least one species, A. pitangae, has been documented as a seed predator of Eugenia involucrata (Rio Grande Cherry) in southern Brazil, causing significant damage to seeds and reducing their viability for propagation. The genus belongs to the hyperdiverse family Curculionidae, though detailed biological information for most species remains limited.
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.
Aulacobaris
Aulacobaris is a genus of weevils in the family Curculionidae. The genus includes species associated with plants in the Brassicaceae family. Aulacobaris fallax has been studied as a potential biological control agent for dyer's woad (Isatis tinctoria) in North America, though host specificity testing revealed significant non-target risks.
Aulacobaris lepidii
Imported Crucifer Weevil
Aulacobaris lepidii, commonly known as the Imported Crucifer Weevil, is a small weevil species in the family Curculionidae. It has been introduced to North America from Europe and is associated with plants in the mustard family (Brassicaceae). The species is part of a genus whose members are often recognized as seed-feeding weevils of economic concern.
Auleutes asper
minute seed weevil
Auleutes asper is a species of minute seed weevil in the family Curculionidae. It is native to North America and is currently classified as a synonym of Lixus asper. As a member of the tribe Auleutini, it belongs to a group of small weevils associated with seeds.
Auleutes ater
minute seed weevil
Auleutes ater is a species of minute seed weevil in the family Curculionidae. It is found in North America. The species is classified as provisionally accepted in taxonomic databases, indicating some uncertainty regarding its current taxonomic status or placement within the genus.
Auleutes donaldi
Auleutes donaldi is a species of weevil in the family Curculionidae, described by Colonnelli in 1991. It belongs to the genus Auleutes, a group of small weevils within the hyperdiverse weevil family. The species is provisionally accepted in taxonomic databases. Like other Auleutes species, it is likely associated with herbaceous vegetation, though specific ecological details remain undocumented.
Auleutes subfasciatus
minute seed weevil
Auleutes subfasciatus is a minute seed weevil in the family Curculionidae, described by Dietz in 1896. It is one of several small weevil species in the genus Auleutes, which are associated with seeds of various plants. The species is recorded from North America, though detailed biological information remains limited.
Auleutes tenuipes
minute seed weevil
Auleutes tenuipes is a species of minute seed weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is one of approximately 30 species in the genus Auleutes, a group of small weevils associated with seeds. The species is documented from eastern Canada and is presumed to occur more broadly in North America, though records remain sparse.
Auleutes tuberculatus
minute seed weevil
Auleutes tuberculatus is a minute seed weevil in the family Curculionidae, described by Dietz in 1896. It is one of approximately 90 species in the genus Auleutes, a group of small weevils associated with seeds. The species is documented from North America.
Aulobaris anthracina
flower weevil
Aulobaris anthracina is a species of flower weevil in the beetle family Curculionidae. It was described by George Charles Champion in 1909. The species is found in North America. The genus Aulobaris belongs to the weevil family, characterized by the distinctive elongated snout (rostrum) typical of curculionids.
Aulobaris naso
flower weevil
Aulobaris naso is a species of flower weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is native to North America and belongs to a genus of weevils associated with flowering plants. The species epithet 'naso' refers to the prominent rostrum characteristic of this group.
Bagous
Bagous is a genus of semi-aquatic weevils in the family Curculionidae containing at least 360 described species. Many species are associated with aquatic or semi-aquatic habitats, with several species developed as biological control agents for invasive aquatic plants, particularly Hydrilla verticillata. The genus includes both native and introduced species with varying degrees of host specificity. Larvae typically develop within plant stems while adults feed on stems and leaves.
Bagous americanus
Bagous americanus is a species of true weevil in the family Curculionidae. It is found in North America, with records from Canada and the United States. The species is associated with the aquatic plant Nymphaea odorata (American white waterlily), on which both adults and larvae feed. Larvae are leaf miners, developing within the leaves of their host plant.
Bagous bituberosus
Bagous bituberosus is a species of true weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. The species is known from North America, with confirmed records from Canada and the United States. Like other members of the genus Bagous, it is associated with aquatic or semi-aquatic habitats. The specific epithet 'bituberosus' refers to a morphological feature of two tubercles or protuberances.
Bagous buchanani
Bagous buchanani is a species of true weevil in the family Curculionidae, described by O'Brien & Wibmer in 1982. It is known from North America. The genus Bagous comprises aquatic and semi-aquatic weevils, though species-specific ecological details for this taxon remain undocumented.
Bagous californicus
Bagous californicus is a species of true weevil in the beetle family Curculionidae. It was described by LeConte in 1876 and is found in North America. The genus Bagous comprises aquatic and semi-aquatic weevils, though specific ecological details for this species remain undocumented.
Bagous magister
snout beetle, bark beetle
Bagous magister is a species of weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is a small beetle with the characteristic elongated snout (rostrum) typical of the genus Bagous. The species occurs in North America, with records from the United States and Canada (Ontario). As a member of the Bagous genus, it is associated with aquatic or semi-aquatic habitats, though specific ecological details for this species remain poorly documented.
Bagous obliquus
Bagous obliquus is a species of true weevil in the family Curculionidae. It was described by LeConte in 1876. The species is known from North America, with records from Canada (New Brunswick, Ontario, Québec) and the United States. As a member of the large genus Bagous, it belongs to a group of weevils often associated with aquatic or semi-aquatic habitats, though specific ecological details for this species remain limited.
Bagous pusillus
Bagous pusillus is a species of true weevil in the beetle family Curculionidae, described by LeConte in 1876. It is a small weevil species found in North America. The genus Bagous comprises aquatic and semi-aquatic weevils often associated with wetland habitats, though specific ecological details for this species remain poorly documented.