Snail-killing Fly vs Spotted Wing Drosophila

Side-by-side species comparison

Attribute Snail-killing Fly Spotted Wing Drosophila
Scientific Name Tetanocera elata Drosophila suzukii
Order Diptera Diptera
Family Sciomyzidae Drosophilidae
Size 7-10 mm 2-3 mm
Habitat Wetlands Farmland
Diet Predators Fruit Feeders
Regions Europe, North America Asia, worldwide (invasive)
Conservation Least Concern Least Concern

Snail-killing Fly

A wetland fly whose larvae are specialized predators or parasitoids of land snails. It has been investigated as a biocontrol agent for pest snails.

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Did You Know?

Larvae enter the snail's shell and consume it alive over several days.

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.