University of Maryland Extension

altica

Early Season Insect Management: Flea Beetles

Timely Viticulture: Pre Bloom
Identification and Biology Grape Flea beetles, Altica spp. (Coleoptera: Chrysomelidae), are small (4-5 mm), oval shaped, metallic blue-purple beetles that jump when disturbed. Grape flea beetles overwinter as adults and become active on warm April days when grape buds begin to swell. Adult beetles...
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