Spiny Oakworm Moth Predator Beetle vs Dark Rove Beetle

Side-by-side species comparison

Attribute Spiny Oakworm Moth Predator Beetle Dark Rove Beetle
Scientific Name Calosoma scrutator Tachyporus nitidulus
Order Coleoptera Coleoptera
Family Carabidae Staphylinidae
Size 25-36 mm 3-4 mm
Habitat Orchards Farmland
Diet Predators Predators
Regions North America Europe, Siberia
Conservation Least Concern Least Concern

Spiny Oakworm Moth Predator Beetle

A large, iridescent green ground beetle with violet-blue margins, known as the fiery searcher. It hunts caterpillars in tree canopies at night.

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Did You Know?

It can live up to three years, far longer than most ground beetles.

Dark Rove Beetle

A small, shiny dark brown rove beetle with a characteristic boat-shaped body. It is incredibly numerous in northern European farmland, where it is considered a key beneficial predator.

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Did You Know?

Pitfall trap studies have shown this to be one of the three most abundant beetle species in British agricultural landscapes.