Plant Parasites of Europe

leafminers, galls and fungi

Epitrimerus longitarsus

Epitrimerus longitarsus (Nalepa, 1897)

Acari, Eriophyidae

on Alnus

gall

over considerable, vaguely delimited parts the leaf is somewhat bulging upwards, somewhat pale or brownish; at the underside gallmites are visible.

hostplants

Betulaceae, monophagous

Alnus.

notes

These symptoms can be caused by several species of gall midges that, possibly only facultatively, and maybe only in combination with others induce gall formation. See also Acaricalus trinotus, Tegonotus heptacanthus and T. trouessarti.

references

Buhr (1964b), Ripka (2014a) , Roivaianen (1950a).

24/07/2016

Last modified 16.x.2018