Weevil
Guides
Acalles carinatus
hidden snout weevil
Acalles carinatus is a species of hidden snout weevil in the beetle family Curculionidae. The species was described by LeConte in 1876. It is known from North America, with records from Ontario and Québec in Canada. As a member of the genus Acalles, it belongs to a group of small weevils characterized by their concealed snout structure.
Acalles clavatus
hidden snout weevil
Acalles clavatus is a species of hidden snout weevil in the beetle family Curculionidae. The species is known from North America and has been documented in at least 7 iNaturalist observations. As a member of the genus Acalles, it belongs to a group of weevils commonly referred to as hidden snout weevils, though specific ecological details for this species remain poorly documented in available sources.
Acalles porosus
hidden snout weevil
Acalles porosus is a species of hidden snout weevil in the beetle family Curculionidae. The species was described by Blatchley and Leng in 1916. It is known from North America. As a member of the genus Acalles, it belongs to a group of small weevils often associated with leaf litter and decaying plant material.
Acalles sulcicollis
Acalles sulcicollis is a species of weevil in the family Curculionidae, described by LeConte in 1884. It belongs to the genus Acalles, a group of small weevils. The species is provisionally accepted in taxonomic databases and is recorded from North America. Very little specific biological information is available for this species.
Acalyptus
Acalyptus is a genus of true weevils (Curculionidae) established in 1833. The genus contains at least one described species, A. carpini. Information on biology and ecology is sparse.
Acamptus
Acamptus is a genus of true weevils (Curculionidae) established by LeConte in 1876. The genus contains approximately nine described species, with members distributed in North and Central America. Species have been described from the late 19th century through 2015, including one species described from Dominican amber (A. exilipes). The genus is poorly represented in biological collections, with limited observational records.
Acamptus rigidus
Acamptus rigidus is a species of true weevil in the beetle family Curculionidae, first described by John Lawrence LeConte in 1876. The species is native to North America and has been recorded in the Canadian provinces of Ontario and Québec. It belongs to a genus of small weevils whose biology remains poorly documented.
Acamptus texanus
Acamptus texanus is a species of true weevil in the beetle family Curculionidae. The species was described by Zimmerman in 1974. Very little specific biological information has been published for this species. It is known from North America, though detailed distribution records and ecological data remain sparse.
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.
Acromacer
pine flower snout beetles
Acromacer is a genus of weevils in the family Nemonychidae, commonly known as pine flower snout beetles. The genus contains a single described species, Acromacer bombifrons. Nemonychidae represents one of the most ancient lineages of weevils, with members typically associated with conifer reproductive structures. The genus was established by Kuschel in 1989.
Acromacer bombifrons
Acromacer bombifrons is a species of primitive weevil in the family Nemonychidae, a small family of Coleoptera that retains ancestral characteristics of the order. The species was described by LeConte in 1876 and is known from western North America. Nemonychidae are among the most ancient lineages of weevils, with fossil records extending to the Jurassic period. Very few observations of this species exist in modern databases.
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.
Agraphini
Agraphini is a small weevil tribe in the subfamily Entiminae, established by Horn in 1876. It contains only two genera—Agraphus and Paragraphus—each represented by a single species. The tribe is endemic to the Atlantic coastal region of the eastern United States.
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.
Agrilus obsoletoguttatus
Beech Borer
Agrilus obsoletoguttatus is a small metallic wood-boring beetle in the family Buprestidae, native to North America. It is among the smallest jewel beetle species utilized as prey by the specialist predatory wasp Cerceris fumipennis, which provisions its underground nests with paralyzed buprestid beetles. The species has been documented in nest caches containing up to 13 individuals, reflecting its small size relative to larger buprestid prey.
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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.
Allosirocalus
Allosirocalus is a genus of weevils in the family Curculionidae, described by E. Colonnelli in 1983. The genus is part of the diverse weevil superfamily Curculionoidea and is placed within the subfamily Ceutorhynchinae based on morphological affinities. Very few observations of this genus exist in public databases, with only 9 records on iNaturalist as of the source data. The genus appears to be poorly studied, with limited published information on its biology and ecology.
Allosirocalus obliquus
Allosirocalus obliquus is a species of beetle in the genus Allosirocalus. The genus is part of the weevil superfamily Curculionoidea, though its precise family placement requires verification. Information regarding this species is limited in available sources.
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.
Ampeloglypter
Ampeloglypter is a genus of true weevils (family Curculionidae) in the tribe Madarini, established by LeConte in 1876. The genus contains at least one species, Ampeloglypter ater, commonly known as the grape cane girdler, which has been documented as a pest in vineyard settings. Records indicate occurrence in eastern North America, with confirmed presence in the eastern United States and Ontario, Canada.
Ampeloglypter longipennis
Ampeloglypter longipennis is a species of flower weevil in the beetle family Curculionidae. It was described by Thomas Lincoln Casey in 1892. The species is found 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 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.
Anthonomini
Anthonomini is a tribe of weevils within the subfamily Curculioninae, comprising approximately 40 genera including Anthonomus, the type genus. Members are primarily herbivorous weevils, with many species exhibiting specific host plant associations. The tribe includes economically significant pests such as the boll weevil (Anthonomus grandis) and several species associated with Malvaceae, Rosaceae, and other plant families. Species are distributed across multiple continents, with documented occurrences in the Neotropics, Nearctic, Palearctic, and Oriental regions.
Anthonomus
Anthonomus is a large genus of weevils (Curculionidae) described by Germar in 1817. The genus includes numerous species, many of significant economic importance. Several members are major agricultural pests, including the cotton boll weevil (A. grandis), strawberry blossom weevil (A. signatus), and pepper weevil (A. eugenii). Conversely, some species such as A. santacruzi are utilized as biological control agents against invasive plants. The taxonomy of the genus remains under revision, particularly regarding the status of Cnemocyllus as either a distinct genus or subgenus.
Anthonomus alboannulatus
Anthonomus alboannulatus is a species of weevil in the family Curculionidae, described by Boheman in 1843. It belongs to the large genus Anthonomus, which contains numerous species associated with various flowering plants. The specific epithet "alboannulatus" refers to white annular markings, suggesting distinctive pale banding on the body. The species is rarely recorded, with minimal observational data available.
Anthonomus albopilosus
Black Toothed Croton Weevil
Anthonomus albopilosus is a species of true weevil described by Dietz in 1891. It belongs to the genus Anthonomus, a large group of weevils commonly associated with plants. The common name 'Black Toothed Croton Weevil' suggests a possible association with croton plants (genus Croton), though this relationship has not been formally documented in available sources. The species is recorded from North America with limited observational data.
Anthonomus arenicolor
Anthonomus arenicolor is a species of true weevil in the family Curculionidae, described by Clark and Burke in 2001. The species belongs to the large genus Anthonomus, which contains numerous economically significant agricultural pests. As a relatively recently described species, detailed biological information remains limited. The specific epithet "arenicolor" (Latin: sand-colored) suggests a possible association with sandy habitats or coloration.
Anthonomus consors
cherry curculio
Anthonomus consors, commonly known as the cherry curculio, is a species of true weevil in the beetle family Curculionidae. The species was described by Dietz in 1891. It belongs to the genus Anthonomus, a large and economically significant group of weevils that includes several agricultural pests. The common name suggests an association with cherry plants, though specific ecological details remain poorly documented in available sources.
Anthonomus convictus
Anthonomus convictus is a small weevil species described by Gates and Burke in 1972. It has been documented living within the galls formed by the moth Heliozela aesella, making it one of the few weevils known to inhabit lepidopteran galls. The species is known from limited observations in eastern North America.
Anthonomus decipiens
Anthonomus decipiens is a species of true weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is native to North America. Like other members of the genus Anthonomus, it possesses the characteristic elongated snout (rostrum) typical of weevils. The species is known from a limited number of observations, with records primarily from the southwestern United States.
Anthonomus disjunctus
Anthonomus disjunctus is a species of true weevil in the family Curculionidae. It was described by John Lawrence LeConte in 1876. The species is known to occur in North America. Beyond these basic taxonomic and distributional facts, detailed information about its biology, ecology, and specific habitat preferences remains poorly documented in the available literature.
Anthonomus extensus
Anthonomus extensus is a species of weevil in the family Curculionidae, described by Clark & Burke in 2005. The species is currently provisionally accepted in taxonomic databases. As a member of the genus Anthonomus, it belongs to a group commonly known as cotton or strawberry bud weevils, though specific ecological details for this species remain limited. It has been recorded from British Columbia, Canada.
Anthonomus fulvus
Red Winecup Weevil, Winecup Weevil
Anthonomus fulvus, commonly known as the red winecup weevil or winecup weevil, is a species of true weevil in the beetle family Curculionidae. First described by John Lawrence LeConte in 1858, this small beetle is found in North America. It belongs to the large genus Anthonomus, which includes numerous weevil species associated with various plants. The common name "winecup weevil" likely derives from an association with plants in the genus Callirhoe, commonly known as winecups.
Anthonomus grandis thurberiae
Thurberia weevil, cotton boll weevil (Thurberia form)
Anthonomus grandis thurberiae is a subspecies of the cotton boll weevil, described by Pierce in 1913. It is distinguished from the nominate subspecies A. g. grandis primarily by its host plant association with wild cotton relatives, particularly Thurberia thespesioides, rather than cultivated cotton. The subspecies occurs in the southwestern United States and northwestern Mexico. It is treated in some literature as a distinct entity but is now generally regarded as part of the broader A. grandis species complex.
Anthonomus haematopus
Red-winged Weevil
Anthonomus haematopus is a species of true weevil in the family Curculionidae, commonly known as the Red-winged Weevil. It is native to North America and has been recorded across multiple Canadian provinces. The specific epithet "haematopus" (from Greek "haima" meaning blood and "pous" meaning foot) likely refers to reddish coloration on the legs or body. As with other members of the large genus Anthonomus, it is presumably associated with plants, though specific host relationships remain undocumented in available sources.
Anthonomus jacobinus
Anthonomus jacobinus is a species of weevil in the family Curculionidae, described by Dietz in 1891. As a member of the genus Anthonomus, it belongs to a group commonly known as cotton boll weevils and their relatives, though specific ecological details for this species remain poorly documented. The species is currently accepted in taxonomic databases with provisional status in some sources.
Anthonomus ligatus
Devilweed Weevil
Anthonomus ligatus is a species of true weevil in the beetle family Curculionidae. It is found in North America. The species is commonly known as the Devilweed Weevil.
Anthonomus morulus
Anthonomus morulus is a species of weevil in the family Curculionidae, described by John Lawrence LeConte in 1876. It belongs to the large genus Anthonomus, which contains numerous species associated with various host plants. The species is recorded from North America, though detailed biological information remains limited. As with many Anthonomus species, it is likely associated with specific plant hosts, but these relationships have not been well documented.
Anthonomus musculus
cranberry weevil
Anthonomus musculus, commonly known as the cranberry weevil, is a small weevil native to North America that is a significant agricultural pest of blueberries and cranberries. Adults are tiny reddish-brown beetles with the characteristic curved snout of weevils. The species has one generation per year, with females depositing eggs in flower buds where larvae develop internally, preventing fruit formation. It ranges from New England to Florida and west of the Rocky Mountains, with notable pest pressure in Massachusetts, New Jersey, Wisconsin, and Michigan.
Anthonomus nebulosus
Anthonomus nebulosus is a species of true weevil in the family Curculionidae, described by John Lawrence LeConte in 1876. It is a small beetle distributed across North America, with records from Canada and the United States. As a member of the large genus Anthonomus, which includes numerous agricultural pests, this species shares the characteristic elongated snout and compact body form typical of weevils. Specific details regarding its biology, host associations, and economic significance remain poorly documented.
Anthonomus nubilus
Anthonomus nubilus is a species of weevil in the family Curculionidae, first described by John Lawrence LeConte in 1876. It is provisionally accepted in taxonomic databases and has been recorded from North America. The genus Anthonomus is well-known for containing several agricultural pests, including the cotton boll weevil (A. grandis), though specific ecological details for A. nubilus remain poorly documented in available literature.
Anthonomus ornatulus
Anthonomus ornatulus is a small weevil species in the family Curculionidae, first described by Dietz in 1891. It occurs in North America, with records from the southwestern United States. The species belongs to a large genus of weevils commonly known as flower weevils or bud weevils, many of which are associated with specific host plants. Published records of this species are sparse, and detailed biological information remains limited.
Anthonomus pusillus
Anthonomus pusillus is a species of true weevil in the family Curculionidae. The species was described by Clark in 1990 and is known to occur in North America. As a member of the genus Anthonomus, it belongs to a group of weevils commonly known as flower weevils or bud weevils, many of which are associated with plants in the family Malvaceae. Specific biological details for this species remain poorly documented.
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 rubi
strawberry blossom weevil, strawberry-blossom weevil
Anthonomus rubi is a small weevil native to Europe, Asia, and North Africa that has become established in North America (first detected in British Columbia, Canada in 2019, then Washington State, USA in 2021). It is a major agricultural pest of strawberry and raspberry, with females laying single eggs in unopened flower buds before severing the stalk, causing bud death and yield losses up to 80% in severe cases. The species has been observed to exhibit prolonged adult activity year-round in protected cultivation systems, with recent documentation of direct fruit feeding behavior in addition to traditional bud damage.
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.