Delta Green Ground Beetle vs Twelve-Spotted Skimmer

Side-by-side species comparison

Attribute Delta Green Ground Beetle Twelve-Spotted Skimmer
Scientific Name Elaphrus viridis Libellula pulchella
Order Coleoptera Odonata
Family Carabidae Libellulidae
Size 0.6-0.8 cm 65-75 mm wingspan
Habitat Wetlands Ponds & Lakes
Diet Predators Predators
Regions United States 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.

Twelve-Spotted Skimmer

A showy dragonfly with three dark spots on each wing, totaling twelve. Mature males develop additional white spots between the dark ones.

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Did You Know?

Despite the name twelve-spotted, mature males actually have 24 wing markings when the white pruinose spots are included.