Swede Midge vs Gall Wasp
Side-by-side species comparison
| Attribute | Swede Midge | Gall Wasp |
|---|---|---|
| Scientific Name | Contarinia nasturtii | Andricus quercuscalicis |
| Order | Diptera | Hymenoptera |
| Family | Cecidomyiidae | Cynipidae |
| Size | 1.5-2 mm | 3-4 mm |
| Habitat | Farmland | Woodlands |
| Diet | Gall Makers | Gall Makers |
| Regions | Europe, North America | Europe |
| Conservation | Least Concern | Least Concern |
Swede Midge
A minute yellowish-brown gall midge that attacks brassica crops by distorting growing points. Its tiny larvae feed inside developing buds, causing characteristic twisted and swollen growth.
Did You Know?
It was first detected in North America in 2000 and has since become a major emerging pest of brassica crops.
Gall Wasp
A tiny wasp that induces knopper galls on oak acorns, deforming them completely.
Did You Know?
It has alternating sexual and asexual generations that produce different gall types.