Weevil

Guides

  • 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 curvipes

    Cathormiocerus curvipes is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. It was described by Thomas Vernon Wollaston in 1854. The species is endemic to the Azores archipelago in the North Atlantic, with records from multiple islands including São Miguel, Faial, Flores, São Jorge, and Corvo. As a member of the Trachyphloeini tribe, it belongs to a group of flightless weevils often associated with soil-dwelling habits and cryptic lifestyles.

  • Caulophilus

    Caulophilus is a genus of true weevils (Curculionidae) established by Wollaston in 1854, comprising more than 20 described species. At least one species, C. oryzae, is a significant stored product pest. The genus has been documented as a host for ectoparasitic wasps in the family Bethylidae.

  • Caulophilus dubius

    Caulophilus dubius is a species of true weevil in the beetle family Curculionidae. It was described by Horn in 1873. The species has been synonymized under Cossonus dubius in some taxonomic treatments. It belongs to the genus Caulophilus, which comprises weevils characterized by their elongated snouts and association with woody plants.

  • Centrinogyna

    flower weevils

    Centrinogyna is a genus of flower weevils in the family Curculionidae, established by Thomas Lincoln Casey in 1892. The genus contains six described species distributed in North America. All species were described by Casey between 1892 and 1920, with the exception of C. strigata, which was originally described by LeConte in 1876. As members of Curculionidae, adults possess the characteristic elongated snout (rostrum) with mouthparts at the tip. The genus has not been subject to extensive modern taxonomic revision.

  • Centrinopus

    flower weevils

    Centrinopus is a genus of flower weevils established by Thomas Lincoln Casey in 1892. The genus contains approximately 19 described species within the family Curculionidae. These beetles are associated with flowers, though specific ecological relationships remain poorly documented. The genus is part of the diverse weevil fauna of North America.

  • Cercopeus maspavancus

    Cercopeus maspavancus is a species of weevil in the family Curculionidae, subfamily Entiminae, described by Sleeper in 1955. It belongs to the tribe Trachyphloeini, a group of broad-nosed weevils. Records indicate occurrence in the eastern United States from Massachusetts to the Carolinas. As with many members of its genus, detailed biological information remains limited.

  • Ceutorhynchini

    Ceutorhynchini is a tribe of true weevils within the subfamily Baridinae of the family Curculionidae. Members of this tribe are small to medium-sized weevils with characteristic rostrate heads. The tribe contains numerous genera distributed across multiple continents, with documented diversity in North America, the Palearctic region, tropical Africa, and Asia. Several subtribes have been recognized within Ceutorhynchini, including Oxyonychina.

  • Ceutorhynchus

    Ceutorhynchus is a large genus of true weevils comprising at least 400 described species. The genus is notable for its association with brassicaceous plants, with many species acting as stem miners or seedpod parasites. Several species are significant agricultural pests of oilseed rape, including C. napi, C. pallidactylus, and C. obstrictus. At least one species, C. succinus, is known from Eocene Baltic amber, indicating an ancient evolutionary history.

  • Ceutorhynchus americanus

    Ceutorhynchus americanus is a species of true weevil (family Curculionidae) in the tribe Ceutorhynchini. First described by Buchanan in 1937, it occurs in northern North America including Alaska and Ontario. Its feeding habits remain incompletely understood, with observations on Raphanus raphanistrum, garlic mustard, fawn lily, and day lily suggesting potential host flexibility.

  • Ceutorhynchus anthonomoides

    minute seed weevil

    Ceutorhynchus anthonomoides is a minute seed weevil in the family Curculionidae, first described by Dietz in 1896. The species is known from North America. It belongs to a large genus of weevils commonly associated with plants in the mustard family (Brassicaceae), though specific host associations for this species remain unconfirmed. Available information is limited to basic taxonomic and distributional data.

  • Ceutorhynchus nodipennis

    Ceutorhynchus nodipennis is a weevil species in the family Curculionidae, first described by Dietz in 1896. It is recorded from North America. The species belongs to a large genus of weevils commonly associated with Brassicaceae plants. Available information on this species is limited, with few documented observations.

  • Ceutorhynchus pusillus

    minute seed weevil

    Ceutorhynchus pusillus is a minute seed weevil in the family Curculionidae. It was described by LeConte in 1876. The species is known from North America.

  • Ceutorhynchus querceti

    Ceutorhynchus querceti is a small weevil in the family Curculionidae. The species was described by Gyllenhal in 1813. It is part of a large genus of seed weevils, many of which are associated with brassicaceous plants.

  • Ceutorhynchus semirufus

    minute seed weevil

    Ceutorhynchus semirufus is a small weevil species in the family Curculionidae, described by LeConte in 1876. It is distributed across North America with records from Alberta, New Brunswick, Newfoundland, and other regions. As a member of the genus Ceutorhynchus, it belongs to a group of seed-feeding weevils, though specific biological details for this species remain poorly documented.

  • Ceutorhynchus squamosulus

    Ceutorhynchus squamosulus is a small weevil in the family Curculionidae, described by Sleeper in 1957. The species is known from North America, with distribution records from British Columbia, Canada. Very little published information exists regarding its biology, ecology, or host associations. As a member of the genus Ceutorhynchus, it likely shares the characteristic elongated snout and compact body form typical of this diverse weevil group, though species-level details remain poorly documented.

  • Ceutorhynchus zimmermannii

    Ceutorhynchus zimmermannii is a species of weevil in the family Curculionidae, first described by Gyllenhal in 1837. The species is recorded from central Canada, specifically the provinces of Manitoba, Ontario, and Saskatchewan. As a member of the large genus Ceutorhynchus, it belongs to a group of weevils commonly known as cabbage seedpod weevils or stem weevils, many of which are associated with brassicaceous host plants. Available information on this species is limited, with no observations recorded on iNaturalist and minimal published biological data.

  • Chaetophloeus

    Chaetophloeus is a genus of weevils in the family Curculionidae, subfamily Scolytinae, established by LeConte in 1876. The genus currently contains at least 17 species in Mexico, with three new species described from Central Mexico in 2022: C. psittacanthi, C. woodi, and C. zapotecanus. Members exhibit sexual dimorphism in the fifth abdominal ventrite, a newly recognized diagnostic character.

  • Chalcodermus aeneus

    Cowpea Curculio

    Chalcodermus aeneus, commonly known as the cowpea curculio, is a true weevil (Coleoptera: Curculionidae) that is a significant agricultural pest of legume crops in the southeastern United States. The species is particularly damaging to cowpea (Vigna unguiculata) and southern peas. Adults and larvae cause economic damage to developing seeds and pods. Management of this pest remains challenging due to its life history characteristics and the limited effectiveness of available control methods.

  • Chalcodermus collaris

    partridge-pea weevil

    Chalcodermus collaris, known as the partridge-pea weevil, is a species of snout beetle in the family Curculionidae. It is native to North America. The common name suggests an association with partridge-pea (Chamaecrista fasciculata), a native legume, though specific ecological relationships require confirmation.

  • Chalcodermus inaequicollis

    Chalcodermus inaequicollis is a species of true weevil in the beetle family Curculionidae, described by Horn in 1873. It is found in North America. Like other members of the genus Chalcodermus, it is characterized by a distinctive body form and rostrum structure typical of the group.

  • Chalcodermus martini

    Chalcodermus martini is a species of true weevil in the beetle family Curculionidae, described by Van Dyke in 1929. It is known from North America. As a member of the genus Chalcodermus, it belongs to a group of weevils within the diverse Curculionidae family. Very little specific information has been published about the biology or ecology of this particular species.

  • Chalcodermus serripes

    mimosa green-seed weevil

    Chalcodermus serripes is a true weevil in the family Curculionidae, commonly known as the mimosa green-seed weevil. It has been investigated as a potential biological control agent for the invasive plant Mimosa pigra. The species is native to North America. Its common name reflects its association with Mimosa seeds.

  • Chelonychus longipes

    Chelonychus longipes is a species of true weevil in the beetle family Curculionidae. It is found in North America, with distribution records from the Canadian provinces of Alberta, British Columbia, Manitoba, and Saskatchewan. The species was described by Dietz in 1891. Little is known about its biology or ecology.

  • Cholinobaris rhomboidea

    Cholinobaris rhomboidea is a species of weevil in the family Curculionidae, described by Casey in 1920. The genus Cholinobaris is small and poorly documented, with limited published information on its biology. The species is provisionally accepted in taxonomic databases and has been recorded from North America. Very few observations exist, with only a single iNaturalist record documented.

  • Cholus

    Cholus is a genus of weevils (Curculionidae) established by Ernst Friedrich Germar in 1823. The genus belongs to the diverse superfamily Curculionoidea and is characterized by the distinctive rostrum typical of weevils. With nearly 2,800 iNaturalist observations, the genus appears to be moderately well-documented in citizen science records, though detailed biological information remains limited in available sources.

  • Cholus cattleyae

    Cholus cattleyae is a species of weevil in the family Curculionidae, described by Champion in 1916. The species epithet 'cattleyae' suggests an association with orchids of the genus Cattleya. Records indicate presence in the conterminous 48 United States, though detailed biological information remains limited in accessible sources.

  • Chramesus chapuisii

    Chramesus chapuisii is a species of weevil in the family Curculionidae, described by LeConte in 1876. The genus Chramesus comprises bark beetles, a group of small weevils that tunnel beneath tree bark. This species is known from very few documented observations, with only two records on iNaturalist. Most species in this genus are associated with coniferous trees.

  • Cimberis pallipennis

    Pale-winged Pine Flower Weevil

    Cimberis pallipennis is a species of primitive weevil in the family Nemonychidae, commonly known as the Pale-winged Pine Flower Weevil. The species was described by Blatchley in 1916 and is currently placed in the genus Cimberis, though it was previously classified under Rhinomacer. It belongs to a small family of weevils characterized by their association with coniferous plants.

  • Cionomimus insolens

    Mistletoe Weevil

    Cionomimus insolens is a species of true weevil in the beetle family Curculionidae. It has been recorded in association with mistletoe, Phoradendron densum, in Mexico, and is known from North America more broadly. The species was originally described by Dietz in 1891 under the genus Cionistes.

  • Cionopsis

    Cionopsis is a genus of true weevils (Curculionidae) established by Champion in 1903. The genus comprises five described species, all described by Burke in the early 1980s except for the type species C. palliatus, described by Champion in 1903. Species in this genus are characterized by distinctive sculpturing on the elytra, including crispate (wavy), echinulate (spiny), or linear patterns that are reflected in their species epithets. The genus is part of the hyperdiverse weevil family Curculionidae, which contains over 40,000 described species worldwide.

  • Cionopsis lineola

    Cionopsis lineola is a species of true weevil in the beetle family Curculionidae. It was described by Burke in 1981. The species is found in North America. As a member of the weevil family, it possesses the characteristic elongated snout (rostrum) typical of Curculionidae.

  • Cionus

    Target Weevils

    Cionus is a genus of weevils in the family Curculionidae, tribe Cionini, established by Clairville in 1798. The genus is distributed across the Palaearctic, Afrotropical, and Oriental regions, with over 100 recognized species including 61 Palaearctic and 52 Afrotropical species. Several species are associated with plants in the family Scrophulariaceae, particularly genera Scrophularia and Verbascum.

  • Cionus scrophulariae

    Common Figwort Weevil, Figwort Weevil

    Cionus scrophulariae is a Palaearctic weevil in the family Curculionidae, commonly known as the figwort weevil. The species is native to Europe and has been introduced to North America. Taxonomic revision in 2019 synonymized Cionus affinis and C. scrophulariae albosuturatus with this species. It belongs to a genus of 61 recognized species in the Palaearctic region.

  • Cleonini

    Cleonini is a tribe of weevils within the subfamily Lixinae, comprising approximately 96 extant genus-group taxa distributed globally. All extant members are hypothesized to be flightless despite frequently possessing fully developed wings (macropterous), a unique condition among Lixinae. The tribe exhibits widespread adult morphological homoplasy that obscures phylogenetic relationships, with many genera radiating from a common ancestor with weakly resolved internal branching. Cleonini are primarily associated with arid and semi-arid habitats, including deserts and steppe environments across North Africa, the Middle East, Central Asia, and western North America.

  • Cleonis

    Cleonis is a genus of cylindrical weevils (Curculionidae: Lixinae: Cleonini) comprising at least 120 described species. Members are characterized by their elongated, cylindrical body form typical of the tribe Cleonini. The genus has a broad distribution across the Palaearctic region, with some species introduced to North America. Detailed biological information is available primarily for Cleonis pigra, which feeds exclusively on Asteraceae and develops within root galls.

  • Cleonis piger

    Cleonis piger is a weevil species in the family Curculionidae, described by O'Brien & Wibmer in 1982. The genus Cleonis belongs to the true weevils, a large and diverse group of beetles characterized by their distinctive elongated snouts. This species is known from North America with confirmed records from Vermont in the United States.

  • Cleopomiarus

    Cleopomiarus is a genus of weevils in the tribe Mecinini (Curculionidae), established by Pierce in 1919. The genus comprises approximately 21 Holarctic species, including two North American and 19 Palaearctic species, with additional species described from China. Species are associated with Campanulaceae host plants. Cleopomiarus was historically conflated with the genus Miarus but has been reinstated as distinct based on morphological characters of adults and immature stages.

  • Cnemidoprion

    Cnemidoprion is a genus of weevils in the family Curculionidae, described by G.A.K. Marshall in 1933. The genus is part of the diverse superfamily Curculionoidea, which contains the majority of weevil species. As of current records, the genus has been documented in iNaturalist with 10 observations, indicating it is rarely encountered or poorly known. The etymology suggests Greek roots: 'cnemis' (leg or shin) and 'prion' (saw), possibly referring to leg or tibial characteristics.

  • Cnemidoprion oblongus

    Cnemidoprion oblongus is a species of weevil in the family Curculionidae, described by Anderson in 1998. The genus Cnemidoprion is part of the diverse Curculionoidea superfamily, which comprises the largest family of beetles. Very little specific information is available about this species, which has been documented in only a handful of observations. The species name "oblongus" refers to its elongated body shape.

  • Cneorhinini

    Cneorhinini is a tribe of weevils in the subfamily Entiminae, family Curculionidae. The tribe was established by Lacordaire in 1863 and contains multiple genera distributed across West Africa and other regions. Members of this tribe are broad-nosed weevils, a characteristic feature of the Entiminae subfamily. The genus Ascopus, included in this tribe, has been documented from Guinea, Liberia, Ivory Coast, and Sierra Leone.

  • Coccotorus

    plum gouger

    Coccotorus is a genus of true weevils in the family Curculionidae, containing approximately six described species. The genus is placed in the tribe Anthonomini within the subfamily Curculioninae. Some species are associated with gall formation on host plants. One species, C. beijingensis, has been studied for its complete mitochondrial genome and its phylogenetic relationship to the genus Anthonomus.

  • Coccotorus hirsutus

    Coccotorus hirsutus is a species of weevil in the family Curculionidae, first described by Bruner in 1888. It belongs to the tribe Coccotorini, a group of seed-feeding weevils associated with various plants. The species epithet "hirsutus" refers to the hairy appearance of this beetle. Like other members of its genus, it is likely associated with specific host plants for feeding and reproduction, though detailed biological studies remain limited.

  • Coccotorus pumilae

    Coccotorus pumilae is a species of true weevil described by Brown in 1966. It is currently classified in the genus Coccotorus within the family Curculionidae, though GBIF lists it as a synonym of Anthonomus pumilae. The species is known from North America.

  • Coccotorus scutellaris

    plum gouger

    Coccotorus scutellaris, commonly known as the plum gouger, is a species of true weevil in the beetle family Curculionidae. It is native to North America. The species is also known by the synonym Corthylus scutellaris. It belongs to a genus of weevils within the large and diverse Curculionidae family, which includes many economically significant agricultural pests.

  • Coelocephalapion

    Coelocephalapion is a genus of small weevils in the family Brentidae (subfamily Apioninae) established by Wagner in 1914. Species in this genus exhibit diverse feeding strategies including florivory, seed predation, and gall induction. The genus is primarily Neotropical in distribution, with documented associations spanning multiple plant families including Leguminosae, Euphorbiaceae, Asteraceae, Lamiaceae, and Verbenaceae. Several species have been investigated as biological control agents for invasive plants.

  • Coelocephalapion antennatum

    Coelocephalapion antennatum is a species of straight-snouted weevil in the family Brentidae. Species in this genus are small to minute beetles associated with plant material. The specific epithet "antennatum" refers to notable antennae characteristics. Like other members of Apioninae, this species likely has a narrow, elongated rostrum. Detailed biological studies of this particular species appear limited in published literature.

  • Coelocephalapion eriogoni

    Coelocephalapion eriogoni is a species of straight-snouted weevil in the family Brentidae, subfamily Apioninae. The genus Coelocephalapion comprises small weevils associated with specific host plants, and this species is known from associations with Eriogonum (wild buckwheat) species. Like other apionine weevils, it likely exhibits a narrow host range tied to its larval development within plant tissues.

  • Coelocephalapion persimile

    Coelocephalapion persimile is a species of straight-snouted weevil in the family Brentidae, subfamily Apioninae. Members of this genus are characterized by their compact body form and elongated rostrum. The species epithet "persimile" suggests close resemblance to another taxon. Like other brentids, it likely develops in plant tissues, though specific host associations remain undocumented.

  • Coelocephalapion spretissimum

    Coelocephalapion spretissimum is a species of straight-snouted weevil in the family Brentidae. The genus Coelocephalapion comprises small weevils characterized by their elongated rostrum. This species belongs to a group of brentids that are poorly documented in the scientific literature.