Rose-stem Gall Wasp vs Woolly Apple Aphid
Side-by-side species comparison
| Attribute | Rose-stem Gall Wasp | Woolly Apple Aphid |
|---|---|---|
| Scientific Name | Diplolepis spinosa | Eriosoma lanigerum |
| Order | Hymenoptera | Hemiptera |
| Family | Cynipidae | Aphididae |
| Size | 2–3.5 mm | 1-2 mm |
| Habitat | Meadows | Orchards |
| Diet | Gall Makers | Gall Makers |
| Regions | North America | Cosmopolitan in temperate regions |
| Conservation | Not Evaluated | Least Concern |
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.
Woolly Apple Aphid
An aphid covered in waxy white filaments that forms colonies on apple tree bark and roots. Heavy infestations cause gall-like swellings on branches and roots.
Did You Know?
It alternates between elm trees in spring and apple trees in summer across its complex life cycle.