Potato/tomato psyllid
which initially affected potatoes and in recent years has become a problem for other Solanaceae crops such as tomatoes, peppers, aubergines, and tobacco [...] psyllid was considered a minor pest until it was found to be responsible for serious crop damage, both directly and indirectly, the latter causing the [...] the consequences are wide-ranging and there are no ‘solutions’ or ‘cures’ for the problems caused. Psyllids spread purple-top disease in potatoes and permanent