Rajah Naga Stag Beetle vs Chrysomeline Rove Beetle

Side-by-side species comparison

Attribute Rajah Naga Stag Beetle Chrysomeline Rove Beetle
Scientific Name Prosopocoilus astacoides Tachyporus chrysomelinus
Order Coleoptera Coleoptera
Family Lucanidae Staphylinidae
Size 30-70 mm including mandibles 3-4 mm
Habitat Grasslands Underground
Diet Wood Feeders Predators
Regions Southeast Asia (Thailand, Vietnam, Laos, Myanmar, Malaysia, Indonesia) Europe, Central Asia, North Africa
Conservation Least Concern Least Concern

Rajah Naga Stag Beetle

A medium-sized stag beetle with reddish-brown elytra and a black head bearing distinctly toothed mandibles. Males display significant size variation with mandible shape changing allometrically.

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Did You Know?

Small males have straight, simple mandibles while large males develop elaborate curved and toothed mandibles, a phenomenon called male dimorphism.

Chrysomeline Rove Beetle

A small, elegantly shaped rove beetle with a distinctly pointed abdomen and yellowish-brown coloration. It is one of the first active predatory beetles to appear in spring in temperate regions.

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Did You Know?

This species can produce two to three generations per year, allowing it to maintain high population densities throughout the growing season.