Woolly Apple Aphid vs Oak Apple Gall Wasp
Side-by-side species comparison
| Attribute | Woolly Apple Aphid | Oak Apple Gall Wasp |
|---|---|---|
| Scientific Name | Eriosoma lanigerum | Biorhiza pallida |
| Order | Hemiptera | Hymenoptera |
| Family | Aphididae | Cynipidae |
| Size | 1-2 mm | 3.5–6 mm |
| Habitat | Orchards | Woodlands |
| Diet | Gall Makers | Gall Makers |
| Regions | Cosmopolitan in temperate regions | Europe, Western Asia |
| Conservation | Least Concern | Not Evaluated |
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.
Oak Apple Gall Wasp
A gall wasp that creates large spongy apple-like galls on oak twigs. It has an alternating sexual and asexual generation cycle.
Did You Know?
The asexual generation develops in root galls underground, while the sexual generation produces the conspicuous twig galls.