Plantparasieten van Europa

bladmineerders, gallen en schimmels

gallers on Oxyria

Dichotomous table for gallers on Oxyria digyna

by Hans Roskam

1a On leaves => 2

1b Flower buds almost globularly swollen. Perigone enlarged. Flesh-coloured spore masses in ovaries, also at base of stamens. Usually many diseased buds, clustered in inflorescence. Microbotryum vinosum

2a Leaf blade curved and distorted downwards at margin. Locally strongly curled, deep green. Philaenus spumarius

2b Leaf blade ± uniformly strongly curled and deflected. Aphis fabae

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