Giant Net-Winged Midge vs Spotted Wing Drosophila

Side-by-side species comparison

Attribute Giant Net-Winged Midge Spotted Wing Drosophila
Scientific Name Bibiocephala grandis Drosophila suzukii
Order Diptera Diptera
Family Blephariceridae Drosophilidae
Size 10-15 mm 2-3 mm
Habitat Mountains Farmland
Diet Omnivores Fruit Feeders
Regions North America Asia, worldwide (invasive)
Conservation Least Concern Least Concern

Giant Net-Winged Midge

The largest net-winged midge in North America, found in powerful western mountain torrents. Larvae have six robust suction discs for gripping wet rock.

💡

Did You Know?

At up to 15 mm, it is a giant among net-winged midges, most of which are under 8 mm.

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.

💡

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.