Two-spotted Jet Beetle vs Femme Fatale Firefly

Side-by-side species comparison

Attribute Two-spotted Jet Beetle Femme Fatale Firefly
Scientific Name Stenus bipunctatus Photuris versicolor
Order Coleoptera Coleoptera
Family Staphylinidae Lampyridae
Size 4-6 mm 11-15 mm
Habitat Wetlands Farmland
Diet Predators Predators
Regions Europe, Asia North America
Conservation Least Concern Least Concern

Two-spotted Jet Beetle

A small black rove beetle with two distinctive reddish spots on its elytra and greatly enlarged compound eyes. It is an ambush predator that strikes with incredible speed using its projectile mouthparts.

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Did You Know?

Its labium can extend to nearly the length of its body in just 3 milliseconds, making it one of the fastest predatory strikes in the insect world.

Femme Fatale Firefly

A predatory firefly that mimics the flash patterns of other species to lure males as prey. Females are aggressive hunters that consume other fireflies.

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Did You Know?

Females mimic the flash responses of Photinus females to attract and devour Photinus males, stealing their defensive chemicals in the process.