Gypsy Moth Parasite vs Yellow Ophion

Side-by-side species comparison

Attribute Gypsy Moth Parasite Yellow Ophion
Scientific Name Cotesia melanoscela Ophion obscuratus
Order Hymenoptera Hymenoptera
Family Braconidae Ichneumonidae
Size 2-4 mm 14-18 mm
Habitat Woodlands Farmland
Diet Parasitoids Parasitoids
Regions Europe, Eastern North America Europe
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.

Yellow Ophion

A laterally flattened, tawny-yellow parasitoid wasp active at dusk and after dark. Its larvae develop as internal parasitoids of noctuid moth caterpillars.

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Did You Know?

Its laterally compressed abdomen is thought to help it slip between grass blades when searching for host caterpillars.