Trilobite Beetle vs Black-striped Longhorn

Side-by-side species comparison

Attribute Trilobite Beetle Black-striped Longhorn
Scientific Name Duliticola hoiseni Stenurella melanura
Order Coleoptera Coleoptera
Family Lycidae Cerambycidae
Size 40-80 mm (females), 8-10 mm (males) 6-9 mm
Habitat Underground Woodlands
Diet Fungus Feeders Wood Feeders
Regions Asia Europe
Conservation Data Deficient Least Concern

Trilobite Beetle

Females are large, larviform, and look strikingly like trilobites from the Paleozoic era. Males are tiny conventional-looking beetles. One of the most extreme sexual dimorphisms in insects.

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Did You Know?

Females of this beetle retain their larval form throughout life and look like extinct trilobites — males are tiny normal beetles, creating one of natures most extreme sex differences.

Black-striped Longhorn

A small, attractive longhorn beetle commonly found on flowers in summer. Has dark wing tips on a yellowish-brown body. Larvae develop in dead deciduous wood.

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Did You Know?

One of the most commonly seen longhorn beetles on flowers, particularly hogweed and other umbellifers.