Pemphigus vesicarius Passerini, 1862

on Populus, primary hostplant

Pemphigus vesicarius: galls on Populus nigra

Populus nigra, Hungary, Budapest 7.v.2019 © László Érsek

Pemphigus vesicarius: galls on Populus nigra

detail

Pemphigus vesicarius: galls on Populus nigra

gall

Pemphigus vesicarius: fundatrix

fundatrix

Pemphigus vesicarius: galls on Populus nigra

same tree, 27.v.2019: galls

Pemphigus vesicarius: gallon Populus nigra

opened gall, with larvae

Pemphigus vesicarius: apterae

larvae

Pemphigus vesicarius: aptera

larva (young alate)

Pemphigus vesicarius: aptera

larva ventral

Pemphigus vesicarius: fundatrix

fundarix

Pemphigus vesicarius: fundatrix

fundarix ventral

Pemphigus vesicarius: galls on Populus nigra

same tree, 10.vi.2018: ols galls

Pemphigus vesicarius: gall on Populus nigra

opened

Pemphigus vesicarius: gallson Populus nigra

gall with exit openings

Pemphigus vesicarius: gall on Populus nigra

last stage

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 3.vi.2019