Species list for aphid key
The following aphid species are included in this key.
| Brown sowthistle aphid | Uroleucon sonchi (Linnaeus) |
| Cowpea aphid | Aphis craccivora (Koch) |
| Currant lettuce aphid (CLA) | Nasonovia ribisnigri (Mosley) |
| Cymbalaria aphid | Myzus cymbalariae Stroyan |
| Foxglove aphid | Aulacorthum solani (Kaltenbach) |
| Green peach aphid | Myzus persicae (Sulzer) |
| Lily aphid | Aulacorthum circumflexum (Buckton) |
| Lucerne aphids | Acyrthosiphon spp. |
| Melon aphid | Aphis gossypii Glover |
| Poplar gall aphid | Pemphigus bursarius (Linnaeus) |
| Potato aphid | Macrosiphum euphorbiae |
| Sowthistle aphid | Hyperomyzus lactucae (Linnaeus) |
| Spiraea aphid | Aphis spiraecola Patch |