Kaup Bess Beetle vs Horned Dung Beetle

Side-by-side species comparison

Attribute Kaup Bess Beetle Horned Dung Beetle
Scientific Name Passalus interstitialis Onthophagus taurus
Order Coleoptera Coleoptera
Family Passalidae Scarabaeidae
Size 30-40 mm 8-11 mm
Habitat Woodlands Farmland
Diet Wood Feeders Dung Feeders
Regions Central America, Mexico Europe, Asia, North America (introduced)
Conservation Least Concern Least Concern

Kaup Bess Beetle

A large, elongate, shiny black bess beetle with prominent mandibles and longitudinal grooves on the elytra. It is the most common Passalid in Central America. Colonies of adults and larvae inhabit decaying logs.

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Did You Know?

Bess beetles are subsocial insects where parents and offspring live together and cooperate in maintaining their log galleries.

Horned Dung Beetle

The strongest insect on Earth relative to body size — can pull 1,141 times its own body weight. Males have curved horns used in underground tunnel combat for mating rights.

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Did You Know?

This beetle can pull 1,141 times its body weight — equivalent to a human pulling six double-decker buses. Its strength evolved from intense male-male combat in dung tunnels.