Ensign Wasp vs Oak Marble Gall Wasp

Side-by-side species comparison

Attribute Ensign Wasp Oak Marble Gall Wasp
Scientific Name Evania appendigaster Andricus kollari
Order Hymenoptera Hymenoptera
Family Evaniidae Cynipidae
Size 5-7 mm 3-5 mm
Habitat Woodlands Parks
Diet Parasitoids Gall Makers
Regions Africa, Asia, North America, South America Europe, Western Asia
Conservation Least Concern Least Concern

Ensign Wasp

A parasitoid wasp that targets cockroach egg cases and helps control pest populations.

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Did You Know?

It bobs its flag-like abdomen up and down as it walks, resembling a tiny flag bearer.

Oak Marble Gall Wasp

A tiny wasp that induces marble-shaped galls on oak twigs where its larvae develop. The galls were historically used to make iron gall ink.

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Did You Know?

The ink made from its galls was used to write the US Declaration of Independence and Leonardo da Vinci's notebooks.