Eriosoma flavum Jancke, 1930
on Ulmus
gall
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
gall
small yellow aphids at the roots, at half a meter depth.
secondary host plants
Rosaceae, oligophagous
Cydonia oblonga; Pyrus communis.
synonyms
Schizoneura flavum.
references
Blackman & Eastop (2014), Börner & Heinze (1957a), Burton, Ellis & Schneider (2022a), Redfern & Shirley (2011a), Roskam (2009a).
Last modified 21.vi.2022