Plant Parasites of Europe

leafminers, galls and fungi

gallers on Ferulago

Dichotomous table for gallers on Ferulago

by Hans Roskam

1a On part of umbel or fruits => 4

1b On vegetative parts => 2

2a Galls caused by animals => 3

2b Oblong bulges on leaf veins, -stalks and stems, bearing aecia. F. campestris, communis, sadleriana: Puccinia ferulae

= Also known from Mediterranean, SE-Eu, Ferulago hosts is the rust Uromyces ferulae, with cecidogenic aecia.

3a Yellowish, wrinkled thickenings on midrib and tips of leaflets. F. campestris: cf. Ditylenchus dipsaci

3b lmost nest-like deflected larger parts of leaves, associated with curling of inserted leaflets on stunted midrib. F. campestris: Philaenus spumarius

4a Centre of stalk of (partial) umbel with one- or several-chambered tough-walled, ± club-shaped swellings. Each chamber containing a single larva. F. campestris, setifoliae: Lasioptera carophila

4b Fruits inflated, bladder-like globular, distinctly protruding above the umbel, containing a red larva. F. campestris: Kiefferia pericarpiicola

Last modified 10.vii.2020