Earlier this year researchers in new zealand began investigating a psyllid infection in glasshouses growing tomatoes and peppers ( plants closely related to potatoes ) . They identified a previously unrecorded species of candidatus , a group of disease-causing bacteria that infect many sorts of plant .

今年初，新西兰研究者开始调查温室番茄、温室胡椒（和马铃薯同科的两种植物）的木虱受害情况，发现了一个没有记录，可感染多种植物的致病细菌暂定种。