Carabids (as here treated) include all of the terrestrial adephagans other than trachypachids. This is by far the largest family of Adephaga, with over 30,000 described species. Among the more well-known members of the family are the genus Carabus (Carabini), bombardier beetles (Brachinini), and tiger beetles (Cicindelitae).
The vast majority of carabids are predacious. Most of theseare generalist predators, but there are a number of groups thathave become specialized (e.g., Peleciini and Promecognathini on millipedes, Cychrini and Licinini on snails). A few clades have larvae that are ectoparasitoids on other arthropods (e.g., Lebiini, Brachinitae, and Peleciini). Others are seed-eaters (e.g., Harpalini).
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