Blister beetles

Coleoptera spp.

A few adults are nocturnal, but most are diurnal or show no distinct diel cycle. Since adults are gregarious and often highly colored, they tend to be conspicuous. However, except for first instar larvae (triungulins) frequenting flowers or clinging to adult bees, larval blister beetles are seldom seen. So far as known, all larvae are specialized predators. Larvae of most genera enter the nests of wild bees, where they consume both immature bees and the provisions of one or more cells. The larvae of some Meloinae, including most Epicauta spp., prey on the eggs of acridid grasshoppers. A few larvae evidently prey on the eggs of blister beetles

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