Weevil
Guides
Coelocephalapion subornatum
Coelocephalapion subornatum is a species of straight-snouted weevil in the family Brentidae. It belongs to a genus characterized by elongated, slender body forms and notably elongated rostrums. The species is documented from a limited number of observations, suggesting it may be uncommon or underreported. As with other members of Brentidae, it likely exhibits the family-typical elongated snout used for feeding and oviposition.
Coelocephalapion ventricosum
Coelocephalapion ventricosum is a species of straight-snouted weevil in the family Brentidae. As a member of this family, it possesses the characteristic elongated snout (rostrum) typical of brentid weevils. The genus Coelocephalapion is part of the diverse apionine radiation within Brentidae. Very little specific information about this particular species is available in published sources.
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.
Conotrachelus affinis
Hickory Nut Curculio
Conotrachelus affinis, commonly known as the hickory nut curculio, is a species of true weevil in the family Curculionidae. The species is native to North America and is associated with hickory trees as suggested by its common name. Like other members of the genus Conotrachelus, it likely exhibits the characteristic elongated snout (rostrum) typical of weevils, with mouthparts at the tip.
Conotrachelus albicinctus
Dogwood Gall Curculio
Conotrachelus albicinctus is a species of true weevil in the family Curculionidae, commonly known as the Dogwood Gall Curculio. It is native to North America and is distinguished from the economically significant plum curculio (Conotrachelus nenuphar) by its host associations. The species is provisionally accepted in taxonomic databases. Available information on its biology and ecology is limited compared to better-studied congeners.
Conotrachelus anaglypticus
cambium curculio
Conotrachelus anaglypticus, commonly known as the cambium curculio, is a species of true weevil in the family Curculionidae. It is native to North America, with confirmed records from Canada and the United States. The species is a member of the genus Conotrachelus, which includes several economically significant fruit pests.
Conotrachelus aratus
hickory shoot curculio, ploughed pure weevil
Conotrachelus aratus, commonly known as the hickory shoot curculio, is a species of weevil in the family Curculionidae. It is native to eastern North America, occurring in the United States east of Texas and Kansas, as well as in Quebec, Canada. The species is specifically associated with Carya (hickory) species, distinguishing it from other Conotrachelus species that attack fruit crops. Unlike the economically significant plum curculio (C. nenuphar), C. aratus has received limited research attention and is not considered a major agricultural pest.
Conotrachelus belfragei
White-cheeked Curculio
Conotrachelus belfragei is a species of true weevil in the family Curculionidae. It is native to North America and is known by the common name White-cheeked Curculio. The species was described by Lec. in 1876. Beyond basic taxonomic placement and geographic occurrence, specific biological details remain poorly documented in the available literature.
Conotrachelus buchanani
Hackberry Curculio
Conotrachelus buchanani is a weevil species in the family Curculionidae, commonly known as the Hackberry Curculio. It is native to North America and has been documented in association with Celtis occidentalis (common hackberry). The species was described by Schoof in 1943. Unlike the well-studied congener C. nenuphar (plum curculio), a major fruit pest, C. buchanani has received limited research attention.
Conotrachelus carolinensis
Conotrachelus carolinensis is a species of weevil in the family Curculionidae, described by Schoof in 1943. The species is provisionally accepted in taxonomic databases and is known from North America. As a member of the genus Conotrachelus, it belongs to a group that includes several economically significant fruit pests, though specific information about this species' biology and ecology remains limited in available sources.
Conotrachelus cognatus
Conotrachelus cognatus is a species of true weevil in the beetle family Curculionidae. It is native to North America and was described by John Lawrence LeConte in 1878. The species belongs to the large genus Conotrachelus, which includes numerous weevil species associated with various plants. Specific biological details about this species remain poorly documented in the available literature.
Conotrachelus duplex
Conotrachelus duplex is a species of weevil in the family Curculionidae, described by Thomas L. Casey in 1892. It belongs to the genus Conotrachelus, a group of snout beetles that includes several economically important fruit pests such as the plum curculio (C. nenuphar). The species is provisionally accepted in taxonomic databases and is recorded from North America. Very little specific biological information is available for this particular species.
Conotrachelus ecarinatus
Conotrachelus ecarinatus is a species of weevil in the family Curculionidae, described by Schaeffer in 1906. The genus Conotrachelus contains several economically significant fruit pests, including the well-known plum curculio (C. nenuphar). However, specific biological or ecological information for C. ecarinatus itself is not documented in the available sources. The species is provisionally accepted in taxonomic databases and is recorded as present in North America.
Conotrachelus echinatus
Conotrachelus echinatus is a species of weevil in the family Curculionidae, described by Horn in 1895. It belongs to a genus containing several economically significant fruit pests, though specific information about this species remains limited. The genus Conotrachelus is best known for the plum curculio (C. nenuphar), a major pest of stone and pome fruits in North America.
Conotrachelus elegans
pecan gall curculio
Conotrachelus elegans, commonly known as the pecan gall curculio, is a true weevil (family Curculionidae) found in North America. The species is specifically associated with galls formed by the hickory leaf stem gall phylloxera (Phylloxera caryaecaulis) on hickory and pecan trees. Unlike many weevils that directly damage plant tissues, this species has been observed feeding on existing insect-induced galls rather than causing gall formation itself.
Conotrachelus erinaceus
Hedgehog Curculio
Conotrachelus erinaceus is a species of true weevil in the family Curculionidae, commonly known as the Hedgehog Curculio. It is native to North America and was described by John Lawrence LeConte in 1896. The specific epithet 'erinaceus' (Latin for 'hedgehog') likely refers to some aspect of its appearance. The species is poorly documented in scientific literature, with minimal published information on its biology or ecology.
Conotrachelus fissunguis
Hibiscus Curculio
Conotrachelus fissunguis is a species of true weevil in the family Curculionidae, commonly known as the Hibiscus Curculio. It is native to North America and is one of approximately 150 species in the genus Conotrachelus. The species was first described by John Lawrence LeConte in 1876. Unlike the well-studied congener C. nenuphar (plum curculio), which is a major agricultural pest, detailed ecological and biological information specific to C. fissunguis remains limited in published literature.
Conotrachelus floridanus
Coma Curculio
Conotrachelus floridanus is a species of true weevil in the beetle family Curculionidae. It was described by Fall in 1913. The species is found in North America and has been assigned the common name "Coma Curculio" in some sources. As a member of the genus Conotrachelus, it belongs to a group of weevils that includes several economically important fruit pests, though specific information about this particular species remains limited.
Conotrachelus geminatus
Conotrachelus geminatus is a species of true weevil in the family Curculionidae, described by LeConte in 1876. The species occurs in North America, with distribution records from Canada (Québec) and the United States. Like other members of the genus Conotrachelus, it belongs to a group of weevils commonly associated with woody plants, though specific natural history details for this species remain poorly documented. The genus includes several economically significant fruit pests, most notably the plum curculio (C. nenuphar), but C. geminatus itself has received limited study.
Conotrachelus hicoriae
Pecan Curculio
Conotrachelus hicoriae, commonly known as the Pecan Curculio, is a species of true weevil in the family Curculionidae. It is native to North America. Like other members of the genus Conotrachelus, it is associated with nut-bearing trees, particularly pecans (Carya illinoinensis), as indicated by its specific epithet. The species was described by Schoof in 1943. Information regarding its biology and economic impact is limited compared to the well-studied congener Conotrachelus nenuphar (plum curculio).
Conotrachelus integer
Conotrachelus integer is a species of true weevil in the beetle family Curculionidae. It was described by Casey in 1892. The species is native to North America. Like other members of the genus Conotrachelus, it is likely associated with woody plants, though specific host relationships remain poorly documented.
Conotrachelus invadens
Conotrachelus invadens is a species of true weevil in the family Curculionidae, described by Fall in 1907. It is native to North America. Unlike the well-studied congener C. nenuphar (plum curculio), which is a major agricultural pest of stone and pome fruits, C. invadens has received minimal scientific attention and its biology remains poorly documented.
Conotrachelus juglandis
butternut curculio
Conotrachelus juglandis, the butternut curculio, is a true weevil in the family Curculionidae. It is associated with walnut species (Juglans), where it injures shoots and nuts. The species was first described in 1876 and occurs across eastern North America, from New England through southern Canada to the Great Plains, and south to Kansas, Alabama, and Georgia. Life history studies have been conducted in Connecticut (1912), West Virginia (1922), and Michigan (1979).
Conotrachelus lucanus
Conotrachelus lucanus is a species of true weevil in the family Curculionidae, described by George Henry Horn in 1895. It is recorded from North America. The species epithet 'lucanus' references the stag beetle genus Lucanus, though this is a weevil, not a stag beetle. Available information on this species is extremely limited beyond basic taxonomic records and geographic occurrence.
Conotrachelus naso
Thin-nosed Curculio
Conotrachelus naso is a species of weevil in the family Curculionidae, first described by LeConte in 1876. It occurs in North America. The species is commonly known as the Thin-nosed Curculio. As a member of the genus Conotrachelus, it shares the characteristic elongated snout typical of this weevil group, though specific ecological and behavioral details remain poorly documented compared to better-studied congeners such as the plum curculio.
Conotrachelus nenuphar
Plum Curculio
The plum curculio is a native North American weevil and economically significant pest of stone and pome fruits. It has been documented as a fruit pest since the 18th century and remains a primary challenge for orchard production east of the Rocky Mountains. The species exhibits geographic variation in voltinism, with univoltine populations in northern regions and multivoltine populations in the south.
Conotrachelus retentus
Black Walnut Curculio
Conotrachelus retentus, commonly known as the black walnut curculio, is a true weevil (Curculionidae) native to North America. The species is tightly associated with black walnut (Juglans nigra), with larvae developing inside developing nuts and adults feeding on foliage. Adults exhibit limited dispersal behavior and have been observed to rarely leave their natal tree. The species is considered a pest of walnut production due to damage to nuts and foliage.
Conotrachelus retusus
Conotrachelus retusus is a weevil species in the family Curculionidae, described by Fall in 1929. It is a member of the genus Conotrachelus, which includes several economically significant fruit pests. The species is provisionally accepted in taxonomic databases and is known from North America. Available information on this species is limited compared to better-studied congeners such as C. nenuphar (plum curculio).
Conotrachelus rubescens
Red-shouldered Brushholly Curculio
Conotrachelus rubescens is a species of true weevil in the beetle family Curculionidae, described by Schaeffer in 1904. It is native to North America and is commonly known as the Red-shouldered Brushholly Curculio. As a member of the genus Conotrachelus, it belongs to a group of weevils that includes several economically significant fruit pests.
Conotrachelus seniculus
amaranth weevil, pigweed curculio
Conotrachelus seniculus, commonly known as the amaranth weevil or pigweed curculio, is a species of true weevil in the family Curculionidae. It is native to North America, with confirmed records in Ontario and Québec, Canada. The species is taxonomically accepted and has been documented in multiple databases. Information on its biology and ecology remains limited compared to its congener Conotrachelus nenuphar, a well-studied agricultural pest.
Conotrachelus similis
Bumelia Curculio
Conotrachelus similis is a species of true weevil in the beetle family Curculionidae, described by Boheman in 1837. It is commonly known as the Bumelia Curculio. The species is native to North America and is provisionally accepted in taxonomic databases. As a member of the large genus Conotrachelus, it shares the characteristic elongated snout typical of weevils in this group.
Conotrachelus sp-one-ariz
Conotrachelus sp-one-ariz is an undescribed species of weevil in the family Curculionidae, genus Conotrachelus. Members of this genus are characterized by a distinctive elongated snout (rostrum) with mouthparts at the tip. This Arizona-associated form appears to represent a distinct lineage within the genus, though formal taxonomic description is pending. The species is part of a diverse group of weevils commonly known as plum curculios and related taxa.
Conotrachelus texanus
Tropical Mallow Curculio
Conotrachelus texanus is a species of true weevil in the beetle family Curculionidae. It was described by Schaeffer in 1906 and is known from North America. The species is commonly referred to as the Tropical Mallow Curculio. Like other members of its genus, it is likely associated with mallow plants (family Malvaceae), though specific host relationships have not been thoroughly documented in available sources.
Conotrachelus tuberculicollis
Conotrachelus tuberculicollis is a species of true weevil in the family Curculionidae, described by Schaeffer in 1906. It is native to North America. As a member of the genus Conotrachelus, it shares the characteristic elongated snout typical of weevils in this group. Information specific to this species is limited in available sources.
Cophes fallax
Cophes fallax is a species of hidden snout weevil in the beetle family Curculionidae, described by Kissinger in 1964. It is known from North America, with confirmed records from Ontario, Canada and Vermont, United States. The species belongs to a genus of weevils characterized by concealed mouthparts, a trait that gives the group its common name.
Cophes obtentus
hidden snout weevil
Cophes obtentus is a species of hidden snout weevil in the beetle family Curculionidae. It is found in North America, with confirmed records from Canada and the United States. The species was described by J.F.W. Herbst in 1797. Like other members of Curculionidae, it possesses the characteristic elongated snout (rostrum) typical of weevils.
Cophes texanus
hidden snout weevil
Cophes texanus is a species of hidden snout weevil in the beetle family Curculionidae. It belongs to a group of weevils characterized by their concealed rostrum (snout) structure. Very little specific information is documented about this species beyond its taxonomic classification.
Copturomorpha rileyi
Copturomorpha rileyi is a species of weevil in the family Curculionidae, described by Henry Hespenheide in 2011. The specific epithet honors Edward Riley, a prolific coleopterist and collector. The genus Copturomorpha is part of the diverse weevil fauna, with this species representing one of the taxa named after Riley in recognition of his contributions to beetle systematics.
Copturus
Copturus is a genus of true weevils (Curculionidae) comprising more than 190 described species. The genus was established by Schoenherr in 1825. At least one species, Copturus aguacatae, is a documented agricultural pest of avocado (Persea americana) in Mexico, where it is known as the avocado stem weevil or barrenador de ramas del aguacate. This species has been studied for its spatial distribution patterns in commercial plantations and is associated with multiple parasitoid species.
Copturus floridanus
Mahogany Bark Weevil
Copturus floridanus is a species of true weevil in the family Curculionidae. Originally described as Pizazurus floridanus by Fall in 1906, it was recombined into the genus Copturus by Sleeper in 1963. The species is known from North America and has been recorded under the common name "Mahogany Bark Weevil" in some sources, though this name may apply to a broader species complex or related taxa now placed in Macrocopturus.
Cosmobaris
Cosmobaris is a genus of weevils in the family Curculionidae, established by Casey in 1920. The genus includes species associated with agricultural crops, with at least one species, C. americana, recognized as a pest of sugarbeets. Another species, C. discolor, has been documented in association with Amaranthus plants. The genus belongs to the diverse weevil superfamily Curculionoidea.
Cosmobaris scolopacea
beet petiole borer
Cosmobaris scolopacea is a species of weevil in the family Curculionidae. It is commonly known as the beet petiole borer due to its association with beet plants. The species was first described by E.F. Germar in 1819, originally placed in the genus Baris. It has been recorded from Belgium and British Columbia, Canada.
Cosmopolites
Cosmopolites is a genus of true weevils in the subfamily Dryophthorinae, tribe Sphenophorini. The genus contains at least five described species, with Cosmopolites sordidus (banana weevil) as the type species and most economically important member. Species in this genus are associated with monocot hosts, particularly banana and plantain plants.
Cosmopolites sordidus
banana root borer, banana borer, banana weevil
Cosmopolites sordidus is a serious pest of banana cultivation with cosmopolitan distribution throughout banana-growing regions worldwide. Adults are approximately 11 mm long with glossy greyish-black to dark brown coloration. The species is considered the most damaging insect pest of bananas, with larvae burrowing into stems and corms causing plant weakening, lodging, and yield reduction. The complete life cycle takes 30–40 days.
Cossoninae
Cossoninae is a subfamily of true weevils within the family Curculionidae. Members of this subfamily are characterized by their small to medium size and association with woody substrates, including timber, leaf litter, and plant roots. The group exhibits considerable diversity in habitat preference, with species found in marine/coastal environments, forest leaf litter, and specialized niches such as sand dunes and the phloem of living trees. Many species possess reduced or absent eyes (anophthalmous or microphthalmous) and exhibit endogean or cryptic lifestyles. The subfamily includes both economically significant timber pests and ecologically important decomposers.
Cossonini
Cossonini is a tribe of weevils within the subfamily Cossoninae, family Curculionidae. The tribe contains approximately 60 described genera distributed across multiple continents. Members of this tribe are generally small to medium-sized weevils associated with wood-boring or bark-inhabiting habits. The group was established by Schönherr in 1825 and remains taxonomically active with ongoing revisions of constituent genera.
Cossonus
Cossonus is a genus of weevils in the family Curculionidae, established by Clairville in 1798. The genus contains multiple described species distributed across North America, with records from the United States and Canada. Species-level taxonomy has been documented by various authors including Van Dyke, Buchanan, and Say during the late 19th and early 20th centuries. The genus is part of the hyperdiverse weevil family and is represented in entomological collections and observation platforms.
Cossonus impressifrons
Cossonus impressifrons is a species of true weevil in the beetle family Curculionidae, first described by Lea in 1896. The specific epithet "impressifrons" refers to a characteristic impressed or concave frontal region of the head. As a member of the genus Cossonus, this species belongs to a group of weevils commonly associated with dead and decaying wood. The species is provisionally accepted in taxonomic databases with limited published ecological or biological information available.