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The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families, with 6,800 genera and 83,000 species described worldwide. They are the sister group to the family Brentidae.
Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small, less than 6 mm in length, and herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, with most of them in the family Curculionidae. It also includes bark beetles, which while morphologically dissimilar to other weevils in lacking the distinctive snout, is a subfamily of Curculionidae. Some other beetles, although not closely related, bear the name "weevil", such as the biscuit weevil, which belongs to the family Ptinidae.
Anthonomus is a genus of weevils. This genus includes major agricultural pests such as the boll weevil, strawberry blossom weevil, and pepper weevil, as well as promising biological pest control agents such as Anthonomus santacruzi.
Otiorhynchus is a large genus of weevils in the family Curculionidae. Many species of the genus, particularly the black vine weevil and the strawberry root weevil, are important pests, both as larvae and as adults. Larvae feed on plant roots. Adults are flightless with fused elytra and feed at night on plant foliage. In many species of the genus at least some races are polyploid and parthenogenetic, while the rest of the races and species are diploid and bisexual. Otiorhynchus weevils, particularly O. scaber, have been a popular subject for studies of the evolution of parthenogenesis. The genus is native to the Palearctic region. However, sixteen species were inadvertently introduced to North America and have become widespread there.
Sitona is a large genus of weevils in the family Curculionidae native to the Nearctic and Palaearctic regions. Over 100 species have been described. Sitona is easily distinguished from related genera by flat, recumbent scales on the mandibles, by the absence of an oval scar on the mandibles, by short and broad rostrum with a deep, longitudinal, median groove, and by dense scales on the body.
The Entiminae are a large subfamily in the weevil family Curculionidae, containing most of the short-nosed weevils, including such genera as Entimus, Otiorhynchus, Phyllobius, Sitona, and Pachyrrhynchus. In comparison with their stunning diversity, only a few of these weevils are notorious pests of major economic importance. Entimines are commonly encountered in the field, including urban environments, and abundant in entomological collections.
Rhynchophorus, or common name palm weevils, is a genus of beetles in the weevil family, Curculionidae. Palm weevils are major pests of various trees in the family Arecaceae throughout the tropics including: coconut, Areca catechu, species of the genus Phoenix, and Metroxylon sagu. Two species are invasive pests outside their native ranges, Rhynchophorus ferrugineus and Rhynchophorus palmarum.
Ceutorhynchini is a true weevil tribe in the subfamily Baridinae.
Eustylini is a primarily Neotropical weevil tribe in the subfamily Entiminae.
Sibinia transversa is a species in the family Curculionidae, in the suborder Polyphaga . It is found in North America.
Sibinia setosa is a species of leguminous seed weevils in the family Curculionidae. It is found in North America.
Sibinia is a genus of leguminous seed weevils in the family Curculionidae. There are at least 20 described species in Sibinia.
Sibinia suturalis is a species of leguminous seed weevil in the family Curculionidae. It is found in North America.
Conoderinae is a subfamily of true weevils in the beetle family Curculionidae. There are more than 210 genera in 15 tribes, and about 2,400 described species in Conoderinae.
Tychiini is a tribe of leguminous seed weevils in the family of beetles known as Curculionidae. There are about 5 genera and at least 30 described species in Tychiini.
Sibinia hispida is a species of leguminous seed weevil in the beetle family Curculionidae. It is found in North America.
Sibinia maculata is a species of leguminous seed weevil in the beetle family Curculionidae.
Sibinia inermis, the huisache sibinia weevil, is a species of leguminous seed weevil in the beetle family Curculionidae. It is found in North America.
Sibinia pallida is a species of leguminous seed weevil in the beetle family Curculionidae. It is found in North America.
Sibinia ochreosa is a species of leguminous seed weevil in the beetle family Curculionidae. It is found in North America.
References
- Roberto Caldara - Note tassonomiche e nomenclatoriali su alcune specie paleartiche di Sibinia e Tychius (Coleoptera, Curculionidae) - Fragmenta entomologica, Roma, 41 (1): 169-195 (2009)
- Alziar, G. 1977. Queques observations sur la biologie de Sibinia subelliptica Desbr. (Coleoptera, Curculionidae). Riviera Scientifique, 9 (1976): 2.