Spotted Wing Drosophila vs Bronze Leaf Beetle

Side-by-side species comparison

Attribute Spotted Wing Drosophila Bronze Leaf Beetle
Scientific Name Drosophila suzukii Colaphellus sophiae
Order Diptera Coleoptera
Family Drosophilidae Chrysomelidae
Size 2-3 mm 4-5 mm
Habitat Farmland Farmland
Diet Fruit Feeders Herbivores
Regions Asia, worldwide (invasive) Europe, Central Asia, China
Conservation Least Concern Least Concern

Spotted Wing Drosophila

An invasive fruit fly from East Asia with a saw-like ovipositor that lets it lay eggs in ripening (not rotten) fruit — devastating soft fruit crops worldwide since its spread in 2008.

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Did You Know?

Unlike most fruit flies that only attack rotting fruit, this species cuts into perfectly ripe fruit with its serrated ovipositor — causing billions in crop damage globally.

Bronze Leaf Beetle

A small, bronze to dark coppery beetle with a convex, oval body. It feeds on various cruciferous plants and can occasionally be a minor pest of canola and mustard crops.

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Did You Know?

In parts of China, it is considered an important pest of oilseed rape, with population outbreaks causing significant yield losses.