Populus alba, England © Bob Dransfield & Bob Brightwell, InfluentialPoints

Populus tremula, Hungary, Mosonmagyaróvár, 7.vii.2017 © László Érsek

aptera and larva

aptera

another specimen

alatae

gall

Apterae 1-2 mm, hairy, with short stump-like siphunculi. The colour is greenish to yellowish white, often with small green spots. In small colonies, usually at the underside of the leaves. According to Buhr attacked leaves are loosely rolled downwards.

host plants

Salicaceae, monophagous

Populus alba, x canescens, grandidentata, nigra, tremula.

Although according to Buhr the species is limited to P. alba, Blackman & Eastop state that it lives on various poplars; still alba seems the most popular host.

synonyms

Chaetophorus populialbae; Chaitophorus albus Mordvilko, 1901.

references

Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1965a), Heie (1982a), Lampel & Meier (2003a), Mier Durante & Nieto Nafría (1997a)n Nieto Nafría & Mier Durante (1998a), Mifsud, Pérez Hidalgo & Barbagallo (2009a), Nieto Nafría, Carnero Hernández & Mier Durante (1977a), Nieto Nafría & Mier Durante (1998a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Ripka, Reider & Szalay-Marzsó (1998a), Suay Cano & González Funes (1998c), Szelegiewicz (1961a), Wieczorek & Osiadacz (2007a), Wojciechowski, Depa, Halgoš ao (2016a).