Pemphigus vesicarius Passerini, 1862

on Populus, primary hostplant

Pemphigus vesicarius: gall on Populus nigra

Populus nigra (from Houard, 1908a)

Pemphigus vesicarius: gall on Populus nigra

Populus nigra, Italy, Aosta © Ben van As


Over 3 cm large gall on the petiole or a young shoot. De gall bears several protuberances that develop into tubes and eventually get a terminal opening, by which the aphids then leave the gall.

host plants

Salicaceae, narrowly monophagous

Populus nigra, suaveolens.

on Colutea, secondary host plant


Aphids of the summer generation on the branches and lowers parts of the bush. The aphids measure c. 3 mm and produce copious amounts of wax.


Fabaceae, monophagous

Colutea arborescens.


Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Béguinot (2003a), Bellmann (2012), Blackman & Eastop (2014), Buhr (1965a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a), Hellrigl (2004a), Nieto Nafría, Mier Durante, Binazzi & Pérez Hidalgo (2002a), Papapanagiotou, Nathanailidou, Taylor ao (2012a) , Pellizzari (2010a), Salas-Remón, Llimona, Lozano ao (2015a), Suay Cano & González Funes (1998c), Tomasi (2003a, 2012a, 2014a).

mod 26.v.2018