Pennsylvania Firefly vs Mexican Dung Beetle

Side-by-side species comparison

Attribute Pennsylvania Firefly Mexican Dung Beetle
Scientific Name Photuris pennsylvanica Phanaeus mexicanus
Order Coleoptera Coleoptera
Family Lampyridae Scarabaeidae
Size 10-15 mm 15-25 mm
Habitat Farmland Grasslands
Diet Predators Dung Feeders
Regions Eastern North America from Canada to Georgia Mexico, Central America
Conservation Least Concern Least Concern

Pennsylvania Firefly

A common firefly of the eastern United States that produces a green-yellow bioluminescent flash. Adults are soft-bodied with a dark pronotum edged in pink.

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Did You Know?

Females mimic the flash patterns of other firefly species to lure males as prey, earning them the name femme fatale fireflies.

Mexican Dung Beetle

A large, metallic green and coppery tunneling dung beetle found from Mexico to Central America. Males have a robust, backward-curving horn. It is one of the larger Phanaeus species and an important dung recycler in tropical pastures.

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Did You Know?

Aztec artisans depicted Phanaeus beetles in their artwork, recognizing their importance to soil fertility.