Hercules Beetle vs Brown Willow Beetle

Side-by-side species comparison

Attribute Hercules Beetle Brown Willow Beetle
Scientific Name Dynastes hercules Galerucella lineola
Order Coleoptera Coleoptera
Family Dynastidae Chrysomelidae
Size 50-85 mm (up to 170 mm with horn) 4-6 mm
Habitat Forests Rivers & Streams
Diet Wood Feeders Herbivores
Regions Central America, South America Europe
Conservation Least Concern Least Concern

Hercules Beetle

One of the largest beetles in the world. Males sport enormous horns used in combat for mates. The elytra can change color from green-yellow to black depending on humidity.

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Did You Know?

The Hercules beetle can carry up to 850 times its own body weight, making it one of the strongest animals on Earth relative to its size.

Brown Willow Beetle

A small brown beetle that feeds on willow leaves and can cause significant defoliation. Has been used as a biological control agent for purple loosestrife in North America.

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Did You Know?

A close relative was deliberately introduced to North America as biological control for invasive purple loosestrife.