Rosette Gall Midge vs Hornet Hoverfly

Side-by-side species comparison

Attribute Rosette Gall Midge Hornet Hoverfly
Scientific Name Dasineura urticae Volucella zonaria
Order Diptera Diptera
Family Cecidomyiidae Syrphidae
Size 1.5-2.5 mm 18-22 mm
Habitat Farmland Woodlands
Diet Gall Makers Scavengers
Regions Europe Europe, North Africa
Conservation Least Concern Least Concern

Rosette Gall Midge

A tiny midge that causes distinctive rosette galls on the tips of stinging nettles. The growing tip is stunted and swollen. Very common wherever nettles grow.

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Did You Know?

The distinctive bunched rosette galls on nettle tips are so common that most people have seen them without knowing the cause.

Hornet Hoverfly

Europe's largest hoverfly and a convincing hornet mimic with bold yellow-and-brown banding. Its larvae develop as scavengers in the nests of social wasps and hornets.

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Did You Know?

Its larvae live inside hornet nests, feeding on dead wasps and nest debris while being ignored by the colony.