Black Cocktail-Ant Rove Beetle vs Emerald Ash Borer Parasite

Side-by-side species comparison

Attribute Black Cocktail-Ant Rove Beetle Emerald Ash Borer Parasite
Scientific Name Lomechusa pubicollis Spathius agrili
Order Coleoptera Hymenoptera
Family Staphylinidae Braconidae
Size 4-6 mm 3-5 mm
Habitat Woodlands Woodlands
Diet Omnivores Parasitoids
Regions Europe, Northern Asia East Asia, Eastern North America
Conservation Least Concern Least Concern

Black Cocktail-Ant Rove Beetle

A myrmecophilous rove beetle that lives inside ant nests. It secretes chemicals that trick ants into feeding and caring for it.

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Did You Know?

Its adoption glands produce substances so appealing to ants that they prioritize feeding the beetle over their own larvae.

Emerald Ash Borer Parasite

A parasitoid wasp from China released in North America to combat the devastating emerald ash borer beetle. Females drill through bark to reach host larvae.

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Did You Know?

It was approved for release in the US in 2007 as part of an emergency effort to save North American ash trees.