Aphids
The main aphid pests of leafy salads, celery & watercress are:
- Currant-lettuce aphid (Nasonovia ribisnigri)
- Willow-carrot aphid (Cavariella aegopodii)
- Lettuce-root aphid (Pemphigus bursarius)
- Peach-potato aphid (Myzus persicae)
- Potato aphid (Macrosiphum euphorbiae)