Lined Rove Beetle vs Giant Bess Beetle

Side-by-side species comparison

Attribute Lined Rove Beetle Giant Bess Beetle
Scientific Name Tachinus signatus Passalus punctiger
Order Coleoptera Coleoptera
Family Staphylinidae Passalidae
Size 5-7 mm 35-50 mm
Habitat Farmland Woodlands
Diet Dung Feeders Wood Feeders
Regions Europe, Japan, Eastern Asia South America
Conservation Least Concern Least Concern

Lined Rove Beetle

A medium-sized rove beetle with distinctly patterned elytra bearing lighter margins. It is commonly found in fungal habitats and dung across much of the Northern Hemisphere.

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Did You Know?

Males of this species have modified abdominal segments that function as clasping organs during mating.

Giant Bess Beetle

A very large, robust bess beetle with a glossy black exoskeleton and strong mandibles. It creates extensive tunnel systems in large fallen trees. Multiple generations may coexist within a single log.

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Did You Know?

Larvae pupate in protective cases made from frass that parents help construct.