Twin-spotted Firefly vs Ruby-Legged Dung Beetle

Side-by-side species comparison

Attribute Twin-spotted Firefly Ruby-Legged Dung Beetle
Scientific Name Photinus tanytoxus Onthophagus medius
Order Coleoptera Coleoptera
Family Lampyridae Scarabaeidae
Size 6-9 mm 6-10 mm
Habitat Woodlands Grasslands
Diet Predators Dung Feeders
Regions North America Africa, South Asia
Conservation Least Concern Least Concern

Twin-spotted Firefly

A small North American firefly with a bright greenish-yellow flash and distinctive twin light organs visible on the last abdominal segments. Males produce a slow, pulsing glow while in flight.

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Did You Know?

This species produces lucibufagins, toxic steroids that make it unpalatable to predators like spiders and birds.

Ruby-Legged Dung Beetle

A small, dark bronze tunneling dung beetle with reddish-brown legs found in parts of Africa and Asia. Males have a pair of short horns. It is commonly found in cattle pastures and plays a role in parasite control.

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Did You Know?

By burying dung, this beetle reduces habitat for parasitic flies that affect livestock health.