The larval feeding habits are known for 24 of the 30 species of Tetanocera occurring in North America. Five trophic guilds can be recognized within the genus. The largest guild consists of 13 species having larvae that attack aquatic pulmonate snails, three species have larvae that attack aquatic snails crawling about on moist substrates, four species consume amber snails of the family Succineidae, three species are obligate predators of slugs, and one species attacks terrestrial snails.
Species 1: Diptera Sciomyzidae Tetanocera
Keywords: Feeding Habits, adaptive radiation
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