Japanese Beetle vs Red Mushroom Beetle

Side-by-side species comparison

Attribute Japanese Beetle Red Mushroom Beetle
Scientific Name Popillia japonica Oxyporus rufus
Order Coleoptera Coleoptera
Family Scarabaeidae Staphylinidae
Size 8-12 mm 7-12 mm
Habitat Gardens Woodlands
Diet Herbivores Herbivores
Regions North America, East Asia, Europe 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.

Red Mushroom Beetle

A striking red and black rove beetle that lives in and feeds on fresh mushroom caps. Has large, powerful mandibles for cutting fungal tissue. One of the few herbivorous rove beetles.

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Did You Know?

Unusual among rove beetles for being a herbivore, with powerful mandibles adapted for cutting through fungal tissue.