Plant Parasites of Europe

leafminers, galls and fungi

gallers on Ferula

Dichotomous table for gallers on Ferula

by Hans Roskam

1a Galls in umbels and fruits => 2

1b Oblong swellings of variable gradation on leaf veins, -stalks, densely covered with aecia. F. communis, sadleriana: Puccinia ferulae

= Also known from Mediterranean, SE-Eu, Ferula hosts are the rusts Uromyces ferulae and Uromyces graminis, with cecidogenic aecia

1c Leaf sheath especially close to umbel inflated, bulging and swollen, succulent, often lacking leaf blade. F. communis: Jaapiella hedickei

2a Fruit swollen, rotund or pear-shaped, conspicuously bent if only one half galled. F. heuffelii: Asphondylia ruebsaameni

2b Galls in umbellules and fruits, inside wall lined with mycelium. F. communis:
Lasioptera carophila

Last modified 9.vii.2020