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 [...] known as ‘psyllid yellows’, which results in delayed growth, weakness in the new leaves, chlorosis/reddening or purple colouration of the leaf bases and internodes