genus Alnus host plant genus
organ parasitic mode stage note taxonomic group parasite stem scale Diaspididae Diaspidiotus wuenni stem scale Diaspididae Lepidosaphes ulmi leaf vagrant Tingidae Stephanitis pyri stem scale Coccidae Parthenolecanium corni leaf vagrant Tingidae Monosteira unicostata leaf hidden Tortricidae Argyrotaenia ljungiana leaf vagrant Geometridae Venusia cambrica leaf leaf spot Mycosphaerellaceae Ramularia unterseheri leaf leaf spot Mycosphaerellaceae Septoria alnigena […]