Bethany Beach Firefly vs Trilobite Beetle

Side-by-side species comparison

Attribute Bethany Beach Firefly Trilobite Beetle
Scientific Name Photuris bethaniensis Duliticola hoiseni
Order Coleoptera Coleoptera
Family Lampyridae Lycidae
Size 10-14 mm 40-80 mm (females), 8-10 mm (males)
Habitat Wetlands Underground
Diet Predators Fungus Feeders
Regions Eastern United States Asia
Conservation Vulnerable Data Deficient

Bethany Beach Firefly

A predatory firefly known from a narrow range along the mid-Atlantic coast. Females mimic the flash patterns of other firefly species to lure and eat the males.

💡

Did You Know?

By consuming other fireflies, females acquire defensive chemicals called lucibufagins that protect them from predators.

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.

💡

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.