Omalium Shore Rove Beetle vs Delta Green Ground Beetle

Side-by-side species comparison

Attribute Omalium Shore Rove Beetle Delta Green Ground Beetle
Scientific Name Omalium rivulare Elaphrus viridis
Order Coleoptera Coleoptera
Family Staphylinidae Carabidae
Size 4-5 mm 0.6-0.8 cm
Habitat Gardens Wetlands
Diet Detritivores Predators
Regions Europe, Northern Asia United States
Conservation Least Concern Endangered

Omalium Shore Rove Beetle

A small, flattened rove beetle found near water and in compost. It feeds on decaying plant matter as well as small invertebrates.

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Did You Know?

It is among the first insects to colonize fresh compost heaps, arriving within hours.

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.