Delta Green Ground Beetle vs Reddish-brown Stag Beetle

Side-by-side species comparison

Attribute Delta Green Ground Beetle Reddish-brown Stag Beetle
Scientific Name Elaphrus viridis Lucanus capreolus
Order Coleoptera Coleoptera
Family Carabidae Lucanidae
Size 0.6-0.8 cm 22-35 mm
Habitat Wetlands Woodlands
Diet Predators Sap Feeders
Regions United States Eastern North America
Conservation Endangered Least Concern

Delta Green Ground Beetle

A small metallic green ground beetle found only near vernal pools in Solano County, California. It is threatened by urban development and habitat loss.

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Did You Know?

It is one of the rarest beetles in North America, known from fewer than five locations.

Reddish-brown Stag Beetle

A widespread North American stag beetle with a warm reddish-brown color. Commonly attracted to lights at night.

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Did You Know?

Their species name 'capreolus' means small goat, referencing their mandibles resembling goat horns.