Taphrina insititiae (Sadebeck) Johanson, 1886
Prunus domestica subsp. insititia, Belgium, prov. Namur, Aublai, 2.v.2017 © Sébastien Carbonnelle
leaf with groups of asci
Prunus domestica subsp. insititia, Belgium, prov. Hainaut, Bon-Secours, 16.iv.2016 © Stéphane Claerebout.
the mycelium develops intercellularly in the branches and leaves. This is expressed by an abnormal thickening of the twigs and the development of dense witches’ brooms. According to Klenke & Scholler it also leads to sterility, and a pink discolouration of the foliage that gives off a smell of hay.
Rosaceae, narrowly monophagous
Prunus domestica subsp. insititia.
Exoascus insititiae Sadebeck, 1864.
The Index Fungorum (2016) and many authors consider Taphrina insititiae a synonym of T. pruni. However, molecular studies by Petrýdesová, Bacigálová & Sulo have demonstrated that it is an autonomous species.
Bataille (1936a), Klenke & Scholler (2015a), Petrýdesová, Bacigálová & Sulo (2013a), Sadebeck (1890a).