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

gall

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

gall

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.

hostplants

Fabaceae, monophagous

Colutea arborescens.

references

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