Plant Parasites of Europe

leafminers, galls and fungi

gallers on Peltaria

Dichotomous table for gallers on Peltaria

by Hans Roskam

1a On parts above ground => 2

1b Rotund, about pea-size, fleshy swellings on root collar. Containing a curved beetle larva. P. alliacea: Ceutorhynchus assimilis

2a Leaf blade buckled downwards, undulately curled, the margins bent downwards; locally deep green. P. alliacea, turkmena: Philaenus spumarius

2b Stalk of inflorescence stunted and ± bent. The only short stalked flower buds clustered; slightly swollen; unopened. Containing yellowish larvae. P. alliacea: Unidentified gall midge

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