Common asparagus beetle
instars, a pupal instar and the adult beetle. Adult common asparagus beetles ( Crioceris asparagi ) have a shiny blue head, black antennae and a red thorax [...] stout, light brown legs. When fully grown, the larvae drop to the ground to pupate. The adult stage overwinters and starts a new cycle next spring. [...] symptoms Both adults and larvae feed on the leaves of asparagus. As the larvae feed, they secrete a blackish fluid, consisting of faecal material, which may