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Asparagus Beetles - Crioceris asparagi
  Clemson
University, USDA Cooperative Extension Slide Series, www.ipmimages.org
 HOSTS: Asparagus and related
crops. DESCRIPTION:
Adults
are blue-black, ¼” long, with yellow-orange spots and red
margins. Larvae are 1/3” long, humpbacked grubs that are green to dark
gray with black heads. LIFE
CYCLE: There are
2-3 generations per year. Adults overwinter; they emerge and mate in
spring. In one week, eggs hatch and the larvae feed. Later, they drop
from the plant and pupate in the soil. CONTROLS:Cultural: Mow down the foliage in late winter or early spring to get rid of overwintering areas. Pick asparagus regularly. Mechanical: The larvae feed on asparagus berries; shake off the berries onto a sheet and destroy them. Neem can be sprayed on larva. |
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