Mountain Stonefly vs Chinese Rose Beetle

Side-by-side species comparison

Attribute Mountain Stonefly Chinese Rose Beetle
Scientific Name Protonemura montana Adoretus sinicus
Order Plecoptera Coleoptera
Family Nemouridae Scarabaeidae
Size 6-10 mm body length 8-12 mm
Habitat Mountains Farmland
Diet Herbivores Herbivores
Regions Europe, Alps, British mountains East Asia, Hawaii, Pacific Islands
Conservation Least Concern Not Evaluated

Mountain Stonefly

A small brown stonefly common along mountain brooks and streams. Nymphs feed on fallen leaves in cold, well-oxygenated water.

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Did You Know?

Its presence is an indicator of excellent water quality in mountain streams.

Chinese Rose Beetle

A small nocturnal scarab that is a major agricultural pest in Hawaii. It skeletonizes the leaves of over 250 host plant species.

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Did You Know?

It was accidentally introduced to Hawaii around 1891 and has since become one of the islands' most destructive beetle pests.