Rosette Gall Midge vs South American Eucalyptus Sawfly

Side-by-side species comparison

Attribute Rosette Gall Midge South American Eucalyptus Sawfly
Scientific Name Dasineura urticae Lophyrotoma zonalis
Order Diptera Hymenoptera
Family Cecidomyiidae Pergidae
Size 1.5-2.5 mm 10-14 mm
Habitat Farmland Farmland
Diet Gall Makers Herbivores
Regions Europe Australia, invasive in South America
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.

South American Eucalyptus Sawfly

A dark-bodied pergid sawfly that has become a significant pest of eucalyptus plantations in South America. Larvae are gregarious and can cause severe defoliation.

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Did You Know?

This Australian native became a major pest after eucalyptus was widely planted in South America, far from its natural enemies.