Gypsy Moth Parasite vs Black-Headed Blister Beetle

Side-by-side species comparison

Attribute Gypsy Moth Parasite Black-Headed Blister Beetle
Scientific Name Cotesia melanoscela Epicauta pennsylvanica
Order Hymenoptera Coleoptera
Family Braconidae Meloidae
Size 2-4 mm 10-18 mm
Habitat Woodlands Grasslands
Diet Parasitoids Parasitoids
Regions Europe, Eastern North America North America
Conservation Least Concern Least Concern

Gypsy Moth Parasite

A small braconid introduced to North America to control the invasive gypsy moth. It attacks early-instar caterpillars and larvae emerge to pupate externally.

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Did You Know?

It was one of the first parasitoid wasps deliberately imported to North America for classical biological control in the early 1900s.

Black-Headed Blister Beetle

An entirely black blister beetle common across eastern North America, often seen in large groups on goldenrod in autumn. Its larvae are parasitoids of grasshopper eggs.

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Did You Know?

Larvae go through hypermetamorphosis, changing dramatically in form across five different larval stages.