Plant Parasites of Europe

leafminers, galls and fungi

Aceria fennica

Aceria fennica (Lindroth, 1899)

on Betula

gall

purplish red to almost whitish erineum consisting of cylindrical hairs. The erinea are hypophyllous and are situated mainly near the leaf margin; the corresponding upperside of the leaf is discoloured and bulging.

hostplants

Betulaceae, narrowly monophagous.

Betula nana.

synonyms

Eriophyes fennicus.

references

Buhr (1964b), Houard (1908a).

Last modified 28.v.2018