Japanese Beetle vs Violin Beetle

Side-by-side species comparison

Attribute Japanese Beetle Violin Beetle
Scientific Name Popillia japonica Mormolyce phyllodes
Order Coleoptera Coleoptera
Family Scarabaeidae Carabidae
Size 8-12 mm 80-100 mm
Habitat Gardens Forests
Diet Herbivores Fungus Feeders
Regions North America, East Asia, Europe Asia
Conservation Not Evaluated Least Concern

Japanese Beetle

An iridescent green and copper beetle that skeletonizes leaves of over 300 plant species. Larvae are white grubs that damage lawns and turf.

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Did You Know?

Japanese beetles release aggregation pheromones that attract more beetles, leading to mass feeding frenzies on plants.

Violin Beetle

An extraordinarily flat beetle shaped like a violin. Its paper-thin body allows it to squeeze between bracket fungi and under bark. Found in Southeast Asian rainforests.

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Did You Know?

The violin beetle is so flat it can slide between layers of bracket fungus like a playing card — its body is one of the most extremely flattened of any insect.