Rose-stem Gall Wasp vs Yellow-shouldered Slug Sawfly
Side-by-side species comparison
| Attribute | Rose-stem Gall Wasp | Yellow-shouldered Slug Sawfly |
|---|---|---|
| Scientific Name | Diplolepis spinosa | Arge berberidis |
| Order | Hymenoptera | Hymenoptera |
| Family | Cynipidae | Argidae |
| Size | 2–3.5 mm | 7-9 mm (adult) |
| Habitat | Meadows | Gardens |
| Diet | Gall Makers | Herbivores |
| Regions | North America | Europe |
| Conservation | Not Evaluated | Not Evaluated |
Rose-stem Gall Wasp
A gall wasp that creates spiny galls on the stems of wild roses in North America. Each gall contains a single larval cell surrounded by hard woody tissue.
Did You Know?
Its galls often persist on rose stems for years after the wasp has emerged, serving as shelter for other insects.
Yellow-shouldered Slug Sawfly
A sawfly pest of barberry and mahonia shrubs, skeletonizing leaves in gardens. Larvae are slug-like and pale green with a dark head.
Did You Know?
Two generations per year can completely strip barberry hedges of their foliage by late summer.