Brown Willow Beetle vs Green Cockroach

Side-by-side species comparison

Attribute Brown Willow Beetle Green Cockroach
Scientific Name Galerucella lineola Panchlora viridis
Order Coleoptera Blattodea
Family Chrysomelidae Blaberidae
Size 4-6 mm 15-25 mm
Habitat Rivers & Streams Forests
Diet Herbivores Herbivores
Regions Europe Australia, Pacific Islands
Conservation Least Concern Least Concern

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.

Green Cockroach

A small, bright green cockroach found in tropical forests of northern Australia and the Pacific. Its vivid coloring provides camouflage among living foliage.

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Did You Know?

Its bright green color fades to yellow after death, making preserved specimens look nothing like the living insect.