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).

mod 26.vii.2018