Pemphigus populi Courchet, 1879

on Populus, primary host plant

Pemphigus populi: young gall on Populus nigra

Populus nigra, Hungary, Mosonmagyaróvár © László Érsek: young gall (early May)

Pemphigus populi: fundatrix in gall on Populus nigra

opened gall with fundatrix

Pemphigus populi: gall on Populus nigra

a month later

Pemphigus populi: gall with apterae on Populus nigra

apterae

Pemphigus populi: gall wih alatae on Populus nigra

alatae

Pemphigus populi: gall on Populus nigra

Populus nigra, Spain, prov. Léon, Astorga; © Nicolás Pérez

Pemphigus populi: gall on Populus nigra

Populus nigra cv ‘Italica’, Belgium, prov. Liège, Sclessin; © Jean-Yves Baugnée.The gall is unusually high, possibly because it is still young.

Pemphigus populi: opened gall

opened gall

Pemphigus populi: gall on Populus nigra

Populus nigra cv ‘Italica’, Overschie © Ben van As: the lower gall is about to burst open at the tip

gall

the gall usually is green and almost always narrowed at the base.

hostplants

Salicaceae, narrowly monopgagous

Populus laurifolia, nigra, tadshikistanica.


gall

aphid colonies on the roots.

secondary hostplants

Fabaceae, oligophagous

Lathyrus pratensis; Medicago lupulina; Melilotus altissimus.

synonyms

Pemphiginus populi.

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Béguinot (2002h, 2003a, 2006c, 2007a, 2012a), Bellman (2012a), Blackman & Eastop (2014), Buhr (1965a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a), Deckert & Deckert (2016a), Heie (1980a), Hellrigl (2004a), Kollár (2011a), Lambinon, Carbonelle & Claerebout (2015a), Lambinon & Schneider (2004a), Lampel (1988a), Lampel & Meier (2003a), Nieto Nafría, Mier Durante, Binazzi & Pérez Hidalgo (2002a), Osiadacz & Halaj (2014a), Pellizzari (2010a), Redfern & Shirley (2011a), Ripka, Reider & Szalay-Marzsó (1998a), Suay Cano & González Funes (1998c), Tomasi (2003a, 2014a).

mod 23.i.2018