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Curculionidae
The Curculionidae comprise the family of the "true" weevils (or "snout beetles"). It is the third-largest animal family, with over 40,000 species described worldwide. It is surpassed only by the Ichneumonidae (Hymenoptera), with over 60,000 species, and the Staphylinidae (Coleoptera), with 58,000 species.
It also includes the bark beetles as subfamily Scolytinae, which are modified in shape in accordance with their wood-boring lifestyle. They do not much resemble other weevils, so they were traditionally considered a distinct family, Scolytidae. The family also includes the ambrosia beetles, of which the present-day subfamily Platypodinae was formerly considered the distinct family Platypodidae.
==Description==
They are recognized by their distinctive long snouts and geniculate antennae with small clubs; beyond that, curculionids have considerable diversity of form and size, with adult lengths ranging from .
Weevils are almost entirely plant feeders, and most species are associated with a narrow range of hosts, in many cases only living on a single species. With so many species to classify and over 400 genera, the taxonomy of this family is quite complicated, and authors disagree on the number and placement of various subfamilies, tribes, and subtribes.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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