Angelica sylvestris, Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel (congo-red staining)

detail

gall

upper side of the leaves with angular yellow spots; underside with a white fungal down of erect conidiophores that apically bear a few short branches, each one ending upon a conidium.

hostplants

Apiaceae, monophagous

Angelica archangelica, razulii, sylvestris.

references

Brandenburger (1985a), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Jage, Kruse, Kummer ao (2013a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller (2015a), Müller & Kokeš (2008a).