Oidium
sp.
KW [Darwin] 16189. Place of collection: Ukraine; Ternopil oblast; Borshchiv district; Rudka village (N48°52' E26°06'). Date of collection: 15 September 1949. Associated organism: Cucurbita pepo (leaf). Collector: Isayeva, O.V.. Identifier: Isaeva, O.V..