Japanese Rose Chafer vs Hawaiian Picture-wing Fly (Grimshawi)

Side-by-side species comparison

Attribute Japanese Rose Chafer Hawaiian Picture-wing Fly (Grimshawi)
Scientific Name Cetonia pilifera Drosophila grimshawi
Order Coleoptera Diptera
Family Scarabaeidae Drosophilidae
Size 18-25 mm 4-6 mm
Habitat Orchards Mountains
Diet Wood Feeders Wood Feeders
Regions East Asia, Japan Oceania (Hawaii - Maui, Hawaii Island)
Conservation Least Concern Endangered

Japanese Rose Chafer

A metallic green flower beetle common in Japan, known as 'shirosujikogane.' Found on flowers and tree sap during summer months. Has a distinctive buzzy flight pattern.

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Did You Know?

Unlike most beetles that lift their wing covers to fly, flower chafers can fly with their elytra closed by extending their wings through a gap on the sides.

Hawaiian Picture-wing Fly (Grimshawi)

One of the iconic Hawaiian picture-wing Drosophila, distinguished by elaborate dark patterning on its wings. It breeds in decaying bark of native Hawaiian trees. The Hawaiian Drosophila radiation is one of the most famous examples of adaptive radiation in biology.

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Did You Know?

The Hawaiian picture-wing flies perform elaborate courtship dances, with males displaying their ornate wing patterns to females in ritualized mating displays.