Phragmidium acuminatum (Fries) Cooke, 1871

on Rubus

gall

no alternation of hostplant. Aecia mostly hypophyllous, yellow, minute but larger on the veins, without a peridium but with a circle of hyaline, sausage-shaped curved paraphyses; spores produced in chains, sparsely aculeate. Uredinia like the aecia, but spores single, pedicellate. Telia hypophyllous black; spores long pedicellate, elliptic, dark brown, transversely divided into c. 6, finely verrucose cells, terminated by an apiculus.

hostplants

Rosaceae, narrowly monophagous

Rubus canescens, saxatilis.

synonyms

Phragmidium rubi-saxatlis Liro, 1908.

references

Bahcecioglu & Kabaktepe (2012a), Blumer (1946a), Brandenburger (1985a), Buhr (1965a), Ellis & Ellis (1997a), Gäumann (1959a), González-Fragoso (1925a), Helfer (2005a), Henderson (2000a), Klenke & Scholler (2015a), Petrova & Denchev (2004a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Termorshuizen & Swertz (2011a), Wilson & Henderson (1966a).

27/05/2017

mod 11.xi.2017