Taphrina wiesneri (Ráthay) Mix, 1954

on Prunus

Taphrina wiesneri: gall on Prunus avium

Prunus avium, Assen, waterwingebied © Ben van As

Taphrina wiesneri: gall on Prunus avium

underside

Taphrina wiesneri: asci

asci

Taphrina wiesneri on Prunus avium

Prunus avium, Belgium, prov. Namur, Couvin, Cul-des-Sarts, 19.v.2018 © Sébastien Carbonelle: later stage

Taphrina wiesneri on Prunus avium

detail

gall

upperside of the leaves with hollow blisters that may be reddish brown above; their underside bears a layer of microscopical asci that, when fully developed, may give the surface a mealy aspect. Also many-years old witches’ brooms may be formed.

host plants

Rosaceae, monophagous

Prunus avium, cerasus, fruticosa, padus.

synonyms

Exoascus cerasi Fuckel, 1870; E. gilgii (Hennings & Lindau) Saccardo, 1895; ; E. minor Sadebeck, 1890; Taphrina cerasi (Fuckel) Sadebeck, 1890.

references

Bataille (1936a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Dietrich (2013a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2012a, 2014a).

mod 25.v.2019