Plant Parasites of Europe

leafminers, galls and fungi

Eriosoma flavum

Eriosoma flavum Jancke, 1930

on Ulmus


leaf between two side veins coloured pinkish-brown, strongly bulging upwards; underside with wax-covered aphids.

primary host plants

Ulmaceae, monophagous

Ulmus glabra, minor, procera.

on Cydonia, Pyrus


small yellow aphids at the roots, at half a meter depth.

secondary host plants

Rosaceae, oligophagous

Cydonia oblonga; Pyrus communis.


Schizoneura flavum.


Blackman & Eastop (2014), Börner & Heinze (1957a), Burton, Ellis & Schneider (2022a), Redfern & Shirley (2011a), Roskam (2009a).

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