Populus alba, Hungary, Mosonmagyaróvár © László Érsek, det. Bob Dransfield

rhe leaves are characteristically folded backwards

colony

apterae

detail

alate

gall

leaf nests at the end of the branches, similar to those of P. tremulae. Because the aphids are concentrated on the petioles, the leaeves are characteristically recurved.

hostplants

Salicaceae, narrowly monophagous

Populus alba, x canescens, euphratica.

on Salix, secondary host plant

gall

aphid colonies on the roots

hostplants

Salicaceae, monophagous

Salix caprea.

synonyms

Asiphum, Pemphigus, varsoviensis Mordvilko, 1895.

references

Blackman & Eastop (2014), Buhr (1965), Carter & Danielsson (1993a), Dauphin & Aniotsbehere (1997a), Heie (1980a [“warschavensis”]), Houard (1908a), Krzywiec (1982a), Redfern & Shirley (2011a), Szelegiewicz (1982a).