Buckthorn-potato aphid
aphid , Aphis nasturtii , has a nearly cosmopolitan distribution and is a major pest of potatoes, where it also transmits viruses. It also attacks a large [...] large number of other crops, for instance sweet pepper, tomato, aubergine, strawberries and gerbera and worldwide distribution. Damage symptoms Direct damage [...] damage, caused by sucking of sap is rarely seen. Sometimes, large populations build up on potatoes or other hosts, which can cause growth retardation. Buckthorn-