Plant Parasites of Europe

leafminers, galls and fungi

Urocystis delphinii

Urocystis delphinii Golovin, 1952

on Delphinium

gall

lead-coloured, blister-like swellings of the leaves and petioles that, upon rupturing, release a blackish-brown mass of granular-powdery mass of spore balls. The spore balls consist of 1-10 spores surrounded by a mantle of smaller sterile cells. If there is but one spore, then the mantle is complete, otherwise it is incomplete.

hostplants

Ranunculaceae, monophagous

Delphinium fissum.

references

Vánky (1994a).

Last modified 26.vii.2018