Taphrina pruni (Fuckel) Tulasne, 1866
pocket plum gall 2
on Prunus
Prunus serotina, Dronten, v.2020 © Arnold Grosscurt
malformed fruit
lengthwise section
galled young shoot
Prunus spinosa, Belgium, prov. Namur, Beauraing, Feschaux, 8.v.2019 © Gérard Minet: galled young shoot
galled fruits

Prunus cerasifera, Hungary, Budapest © László Érsek; galled fruits, next to normal, young fruits

detail

Prunus cerasifera var. atropurpurea, Hungary, Budapest © László Érsek

detail

Prunus spinosa, Soest © Hetty Soetekouw

Prunus spinosa, Hoek van Holland © Ben van As

more specimens

some galled fruits are covered by a sooty layer of spores

Prunus spinosa, Belgium, prov. Namur, Couvin, Mariembourg, Ravel © Stéphane Claerebout

Prunus spinosa, Nieuwendam: sometimes also a shoot may be galled
host plants
Rosaceae, monophagous
Prunus cerasifera, domestica & subsp. insititia, spinosa.
Prunus padus has a fruit gall of its own, Taphrina padi.
synonyms
Exoascus pruni Fuckel, 1860; E. rostrupianus Sadebeck, 1893.
Until shortly also T. insititiae was understood as a synonym of pruni.
references
Bacigálová, Mułenko & Wołczańska (2005a), Bataille (1936a), Bellmann (2012a), Brandenburger (1985a), Buhr (1965a), Chinery (2011a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Grosscurt (2020c), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Koops (2013a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Kummer (2012a), Mix (1936a, 1949a), Moret i Benaset & Nadal i Puigdefabregas (1984a), Petrýdesová, Kučera, Bacigálová, ao (2016a), Redfern & Shirley (2011a). Roques, Cleary, Matsiakh & Eschem (2017a), Roskam (2009a), Sadebeck (1890a), Susuri & Sururi (2006a), Tomasi (2012a, 2014a).