Oidium sp.

KW [Darwin] 16199. 采集地点: 乌克兰; Mykolaiv Oblast; Snihurivka District; Pavlivka village; in flood-lands of the river Ingulets (N47°03' E32°50'). 采集日期: 1952年8月8日. 相关生物: Cucurbita pepo (叶片). 采集者: Sokolova, M.D.. 鉴定人: Sokolova, M.D..