Spanish Fly vs Bethany Beach Firefly

Side-by-side species comparison

Attribute Spanish Fly Bethany Beach Firefly
Scientific Name Lytta vesicatoria Photuris bethaniensis
Order Coleoptera Coleoptera
Family Meloidae Lampyridae
Size 10-22mm 10-14 mm
Habitat Orchards Wetlands
Diet Herbivores Predators
Regions Europe, Asia Eastern United States
Conservation Least Concern Vulnerable

Spanish Fly

A slender, metallic green blister beetle with soft elytra. It produces cantharidin, a potent blistering agent, as a chemical defense.

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Did You Know?

Cantharidin from this beetle has been used in medicine for centuries but it is extremely toxic and can be lethal if ingested.

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.

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Did You Know?

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