Curculionidae
Guides
Conotrachelus schoofi
Pecan Shoot Curculio
Conotrachelus schoofi is a weevil species in the family Curculionidae that feeds on pecans. Adults cause premature nut drop by feeding on pecan nutlets. Larvae develop within the nuts, completing their growth inside the shuck. The species has one generation per year, with adults emerging in spring and overwintering in diapause.
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 serpentinus
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.
Corthylus
ambrosia beetles, timber beetles
Corthylus is a genus of ambrosia beetles in the family Curculionidae containing more than 190 described species. Species in this genus are characterized by their symbiotic relationships with fungi, which they cultivate in galleries bored into wood. Several species are significant forest pests, attacking hardwood trees and causing structural damage through gallery construction and associated fungal infections that lead to wood rot and tree mortality. The genus includes economically important species such as the Columbian timber beetle (C. columbianus) and C. zulmae, which impact timber production and reforestation efforts.
Corthylus punctatissimus
Pitted Ambrosia Beetle, Maple Corthyle
Corthylus punctatissimus, commonly known as the pitted ambrosia beetle or maple corthyle, is an ambrosia beetle in the family Curculionidae. It is a documented pest of sugar maple (Acer saccharum) in northeastern North America, with established populations in southern Ontario, southern Quebec, and the Lower Peninsula of Michigan. The beetle targets small-diameter woody saplings and shrubs, boring into stems at soil level and creating spiral gallery tunnels that cause girdling damage and wilting of host trees.
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.
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.
Cossonus pacificus
Cossonus pacificus is a species of true weevil in the beetle family Curculionidae, described by Van Dyke in 1916. It belongs to the genus Cossonus, a group of small weevils associated with decaying wood and fungal habitats. The species is documented from western North America, with records from the Canadian provinces of Alberta, British Columbia, and Saskatchewan. Like other members of its genus, it likely inhabits moist, decaying woody substrates where fungal growth occurs.
Cossonus ponderosae
Cossonus ponderosae is a species of true weevil in the beetle family Curculionidae. It was described by Van Dyke in 1915. The species is found in North America. As a member of the genus Cossonus, it belongs to a group of weevils that are generally associated with wood-boring or bark-associated habits, though specific ecological details for this species remain poorly documented.
Craponius inaequalis
Grape Curculio
Craponius inaequalis, commonly known as the grape curculio, is a minute seed weevil in the family Curculionidae. The species is native to North America, with records from Ontario, Canada, and the eastern United States. As a member of the seed weevils, it is associated with feeding on plant seeds, though specific host plant relationships remain poorly documented in the available literature.
Crocidema
broad-nosed weevils
Crocidema is a genus of broad-nosed weevils in the beetle family Curculionidae. The genus contains six described species, all described by Van Dyke between 1934 and 1951. Species are restricted to western North America, with distributions in Arizona and California. The genus is classified in the subfamily Entiminae, tribe Byrsopagini.
Crocidema arizonica
broad-nosed weevil
Crocidema arizonica is a species of broad-nosed weevil in the beetle family Curculionidae, described by Van Dyke in 1951. It belongs to the subfamily Entiminae, a diverse group of weevils characterized by their broad rostrum and typically root-feeding larvae. The species is known from the southwestern United States.
Crostis boreas
Crostis boreas is a species of weevil in the family Curculionidae, described by Prena and Anderson in 2022. The genus Crostis was established relatively recently in weevil systematics. As a newly described species with limited published information, detailed knowledge of its biology and ecology remains sparse. It belongs to the hyperdiverse weevil family Curculionidae, which contains over 40,000 described species worldwide.
Cryphalus mangiferae
mango bark beetle
A tiny tropical bark beetle in the weevil family Curculionidae (subfamily Scolytinae) that attacks mango trees (Mangifera indica). Native to southern Asia, it has spread to tropical regions worldwide and is recognized as a vector of plant-pathogenic fungi causing mango wilt disease. In Pakistan and other regions, it poses a serious threat to mango cultivation.
Cryphalus pubescens
Cryphalus pubescens is a small bark beetle in the family Curculionidae, subfamily Scolytinae. It is one of approximately 200 species in the genus Cryphalus, a group of ambrosia and bark beetles distributed worldwide. The species was described by Hopkins in 1915 and is known from North America, with records from British Columbia and the United States. Like other cryphaline beetles, it is associated with woody plants, though specific host associations remain poorly documented.
Cryptolepidus
Cryptolepidus is a genus of broad-nosed weevils in the family Curculionidae, established by Van Dyke in 1936. The genus comprises approximately eight described species, distributed primarily in western North America. Species are found in arid and semi-arid regions, with several named after their type localities in Nevada, Utah, and Colorado. The genus is classified within the tribe Geonemini of the subfamily Entiminae.
Cryptolepidus leechi
Cryptolepidus leechi is a species of broad-nosed weevil described by Ting in 1940. It belongs to the family Curculionidae, the largest family of beetles. The species is known from western North America, with records from California and Nevada.
Cryptorhynchinae
hidden-snout weevils
Cryptorhynchinae is a large subfamily of weevils (Curculionidae) comprising approximately 6,000 species. The subfamily is distinguished by a rostrum that folds backward between the fore coxae in repose, fitting within a protective channel on the mesoventrite. Molecular evidence supports its monophyly as an independent subfamily rather than inclusion within Molytinae. The group is most diverse in the Neotropics, Australia, and Oceania, with an evolutionary origin in the Late Cretaceous of South America.
Cryptorhynchini
Cryptorhynchini is a tribe of weevils within the subfamily Molytinae (Curculionidae). Members of this tribe are characterized by a rostrum that can be retracted into a ventral groove between the procoxae, a trait reflected in the name 'hidden snout.' The tribe contains numerous genera distributed across multiple continents, with diverse ecological roles including herbivory and, in at least one documented case, behavioral mimicry of dung beetles.
Cryptorhynchus helvus
hidden snout weevil
Cryptorhynchus helvus is a species of hidden snout weevil in the beetle family Curculionidae. It was described by LeConte in 1878. The species is known from North America. Members of the genus Cryptorhynchus are characterized by a concealed rostrum, with the snout fitting into a groove between the forelegs when at rest.
Cryptorhynchus tristis
hidden snout weevil
Cryptorhynchus tristis is a species of hidden snout weevil in the beetle family Curculionidae. It was described by Sturm in 1826. The species is found in North America. Like other members of the genus Cryptorhynchus, it likely exhibits the characteristic behavior of drawing its rostrum back into a ventral groove when disturbed.
Crypturgini
Crypturgini is a small tribe of bark beetles within the subfamily Scolytinae. These beetles are associated with coniferous trees and are characterized by their minute size and cryptic lifestyle beneath bark. The tribe contains relatively few described species. Members are primarily distributed in the Northern Hemisphere.
Crypturgus borealis
Boreal Cryptic Bark Beetle
Crypturgus borealis is a species of bark beetle in the family Curculionidae, described by J.M. Swaine in 1917. It is found in North America, with records from Canada including Alberta, British Columbia, and Manitoba. The species belongs to the genus Crypturgus, a group of small, cryptic bark beetles associated with coniferous trees.
Curculio caryae
pecan weevil
Curculio caryae, the pecan weevil, is a specialized nut-feeding weevil native to North America and a major economic pest of pecan (Carya illinoinensis) and hickory (Carya species) production. Adults emerge from soil in August and September, feed on developing nuts, and females use their elongated proboscis to drill through shells and deposit eggs into kernels. Larvae develop inside nuts for approximately 42 days before emerging through clean, round exit holes and burrowing into soil to pupate. The life cycle typically spans two years, though approximately 10% of individuals require three years. The species has been observed to occasionally infest Persian walnut (Juglans regia).
Curculio fulvus
Curculio fulvus is a species of true weevil in the beetle family Curculionidae. It was described by Chittenden in 1927 and is provisionally accepted in taxonomic databases. The specific epithet 'fulvus' refers to a tawny or yellowish-brown coloration. As a member of the genus Curculio, it shares the characteristic elongated rostrum (snout) typical of nut and acorn weevils. Very little species-specific information is available in the provided sources.
Curculio iowensis
Curculio iowensis is a species of true weevil in the beetle family Curculionidae. The species was described by Thomas Lincoln Casey in 1910. It is found in North America, with records from Canada (Manitoba, Nova Scotia, Ontario, and Québec). Very little is known about the biology or ecology of this species. As a member of the genus Curculio, it likely shares the characteristic elongated rostrum typical of acorn and nut weevils, though specific morphological details remain undocumented in available sources.
Curculio longidens
Curculio longidens is a species of weevil in the family Curculionidae, first described by Chittenden in 1927. It belongs to the genus Curculio, a large and widespread group of weevils commonly known as acorn and nut weevils. The species is documented from North America, though specific details about its biology and ecology remain poorly recorded in available literature.
Curculio orthorhynchus
Curculio orthorhynchus is a species of true weevil in the family Curculionidae, first described by Chittenden in 1908 under the basionym Balaninus orthorhynchus. The species is native to North America and belongs to the genus Curculio, a group of weevils commonly known as acorn or nut weevils due to their association with developing nuts and fruits. Very little specific biological information has been published for this particular species.
Curculio pardalis
Curculio pardalis is a species of true weevil in the beetle family Curculionidae, first described by F.H. Chittenden in 1908. It belongs to the genus Curculio, which includes numerous nut- and acorn-feeding weevils. The species is known from North America, with records from the Canadian provinces of Manitoba, Ontario, and Québec. Like other members of its genus, it likely develops within nuts or acorns, though specific host associations remain unconfirmed.
Curculio rubidus
Curculio rubidus is a weevil species in the family Curculionidae, first described by Gyllenhal in 1835. Like other members of the genus Curculio, it possesses the characteristic elongated rostrum typical of acorn and nut weevils. The species is recorded from Belgium based on distribution data, though detailed biological information remains limited in published sources.
Curculio uniformis
Filbert Weevil
Curculio uniformis, commonly known as the filbert weevil, is a species of true weevil in the family Curculionidae. The species is recognized as a nut-feeding specialist associated with filberts (hazelnuts). Like other members of the genus Curculio, it possesses the characteristic elongated rostrum used for drilling into nuts to oviposit. The species is recorded from North America, including British Columbia, Canada.
Curculio victoriensis
Curculio victoriensis is a species of true weevil in the family Curculionidae, described by F.H. Chittenden in 1903. The species is endemic to North America. Two subspecies are recognized: Curculio victoriensis victoriensis (the nominate subspecies) and Curculio victoriensis fulvus Chittenden.
Curculionini
Curculionini is a tribe of weevils within the subfamily Curculioninae, family Curculionidae. Members of this tribe are characterized by their elongated rostrum and association with nut-bearing trees, particularly oaks. The tribe includes economically significant pests such as acorn weevils in the genus Curculio. Larval development occurs within seeds or nuts of host plants.
Cyclominae
Cyclominae is a subfamily of weevils (Curculionidae) comprising seven tribes: Amycterini, Aterpini, Cyclomini, Dichotrachelini, Hipporhinini, Listroderini, Notiomimetini, and Rhythirrinini. The subfamily exhibits a disjunct global distribution, with significant radiations in southern South America, southern Africa, Australia, and the western Mediterranean region. Phylogenetic studies indicate complex evolutionary relationships among constituent tribes, with some Palaearctic genera showing closer affinities to South American lineages than to geographically proximate relatives.
Cylindridia
Cylindridia is a genus of flower weevils in the family Curculionidae, containing seven valid species. The genus was established by Casey in 1920 and has a broad distribution from Canada to Argentina. At least four species are known to develop within the culms of sedges (Cyperaceae).