European Glowworm vs Broad-Horned Flour Beetle Mimic Stag

Side-by-side species comparison

Attribute European Glowworm Broad-Horned Flour Beetle Mimic Stag
Scientific Name Lampyris noctiluca Figulus sublaevis
Order Coleoptera Coleoptera
Family Lampyridae Lucanidae
Size 15-25 mm (females); 10-12 mm (males) 10-16 mm
Habitat Hedgerows Woodlands
Diet Omnivores Wood Feeders
Regions Europe, Western Asia Africa, Madagascar
Conservation Vulnerable Least Concern

European Glowworm

A well-known European firefly where only the wingless female produces a steady green glow. Males are winged but produce no light.

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Did You Know?

Females glow for up to two hours each night to attract flying males, then stop after mating.

Broad-Horned Flour Beetle Mimic Stag

A small, elongate, dark brown to black stag beetle with reduced mandibles that resembles a darkling beetle. It is commonly found in small-diameter dead branches. Larvae develop communally in decaying wood.

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Did You Know?

This tiny stag beetle is so unlike typical stag beetles that it was originally placed in a different family.