Gootiella tremulae Tullgren, 1915

on Populus, primary host plant

gall

the leaf is longitudinally rolled into an inverted cone, unusually pale, much enlarged; the petiole is swollen to three times its normal thicknes. Galls usually in the top of high trees (!)

hostplants

Salicaceae, narrowly monophagous

Populus tremula.

‚Äč


on Juniperus, secondary host plant

gall

globular, grey, wax-covered aphids at the roots. The posterior femora are conspicuously thickened./p>

hostplants

Cupressaceae, monophagous

Juniperus communis.

references

Albrecht (2015a, 2017a), Blackman & Eastop (2017), Carter & Danielsson (1993a), Danielsson (1990a), Eklo & Hofsvang (2008a), Heie (1980a).

mod 27.viii.2017