Coleroa alchemillae (Greville) Winter, 1885

on Alchemilla

gall

yellowish to darkened leaf spots; (mainly) at the upper side black erumpant globular perithecia, ± 0.1 mm in size; around the orifice black setae. The perithecia stand in rows that radiate from a common point.

hostplants

Rosaceae, monophagous

Alchemilla fissa, transiens, vulgaris.

synonyms

Venturia alchemillae (Greville) Berkeley & Broome, 1875

references

Blumer (1946a), Brandenburger (1985a), Ellis & Ellis (1997a), Losa Quintana (1972a), Negrean (1995a).

mod 3.vi.2018