Pachypappa warshavensis (Nasonov, 1894)
poplar leaf-nest-gall aphid
on Populus, primary host plant
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).
mod 24.v.2018