Luminous Beetle of Ulu Selangor vs Satanas Dung Beetle

Side-by-side species comparison

Attribute Luminous Beetle of Ulu Selangor Satanas Dung Beetle
Scientific Name Pteroptyx similis Dichotomius satanas
Order Coleoptera Coleoptera
Family Lampyridae Scarabaeidae
Size 4-6 mm 22-35 mm
Habitat Rivers & Streams Forests
Diet Predators Dung Feeders
Regions Southeast Asia, Malaysia South America
Conservation Least Concern Least Concern

Luminous Beetle of Ulu Selangor

A tiny synchronous firefly found along rivers in Malaysia. Males congregate by the hundreds in berembang trees along tidal rivers and flash with remarkable precision.

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Did You Know?

The Selangor River firefly displays were once among the brightest bioluminescent shows on Earth, but habitat loss has reduced their numbers.

Satanas Dung Beetle

A large, pitch-black tunneling dung beetle with a deeply forked cephalic horn in males that gives it a devilish appearance. It is a powerful nocturnal tunneler in South American forests. Its dark coloring provides excellent camouflage at night.

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Did You Know?

Its ominous name comes from the deeply forked horn that resembles devil horns in medieval European art.