Integrated Pest Management Guide

EULOPHID WASPS (HYMENOPTERA: EULOPHIDAE)

Eulophids belong to a large group of tiny insects 1 - 3 mm (1/16 - 1/8 inch) long. They are known to parasitize a number of crop pests. This is a biologically diverse group, with some species attacking mites (as predators), spider egg cases, scale insects, and thrips, but most attack beetle or moth larvae or pupae, flies or other wasps. Sympiesis bimaculatipennis (Girault) attacks leafrollers but is reported to prefer blotchmining or skeletonizing lepidopterans. On a cranberry farm in Pitt Meadows, British Columbia, females of this species were observed walking over the tents of blackheaded fireworms, tapping with their antennae and probing between leaf edges with their ovipositor, seeking a host.
 

Eulophid wasp

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