Aecidium clematidis de Candolle, 1805
on Clematis
Clematis vitalba, Hungary, Mosonmagyaróvár, 8.viii.2017 © László Érsek
galled leaves, undersides
aecia
spermogonia
8.viii.2017: old galls
Clematis vitalba, Belgium, prov. West Flanders, De Panne, Westhoek, 30.vi.2018 © Stéphane Claerebout
same leaf, underside
detail of the gall, with aecia
Clematis vitalba, Belgium, prov. Namur, Jemelle © Jean-Yves Baugnée
underside
Clematis vitalba France, Rhône-Alpes, Haute-Savoie, St. Pierre d’Entremont: here the gall bulges downwards © Arnold Grosscurt
Clematis vitalba, Italië, Aosta, Bellon, 1200 m, 28.vii.2018 © Cor Zonneveld: aecia may also develop on the stems.
gall
aecia yellow, on yellowed and galled spots.
hostplants
Ranunculaceae, monophagous
Clematis cirrhosa, recta, vitalba.
notes
check here about the the genus Aecidium.
references
Klenke & Scholler (2015a), Porta-Puglia & Mifsud (2006a), Roldan Garrigós & Honrubia García (1992a), Wołczańska (2008a).