Euura piliserra (Thomson, 1862)
on Salix
Salix viminalis, Dronten, Roggebotbos, 27.viii.2018 © Arnold Groscurt
galls, undersides
two larvae

Salix viminalis, Belgium, prov. Namur, Jambes, Ruisseau d’Orjo © Jean-Yves Baugnée, det. Jean-Luc Bouvé

larvae
gall
3-5(8) larvae in a downwards rolled leaf margin; generally both margins are rolled, in a way that a wide tube is formed. The larva may leave the rolled part of the leaf to feed on the distal, ungalled part, leaving only the veins untouched. The larva lacks a black pigmentation on the last abdominal segments, and also lacks pseudocerci.
host plants
Salicaceae, narrowly monophagous
Salix gmelinii, viminalis.
synonyms
Phyllocolpa, Pontania piliserra; Pteronidea weiffenbachi Lindqvist, 1956.
note
Member of the Euura oblita species group.
references
Beneš (2015a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Grosscurt (2020a), Kopelke (2007c), Liston, Heibo, Prous ao (2017a), Mol (2013a), Taeger, Altenhofer, Blank, ao (1998a), Tomasi (2014a), Vikberg (2009a), Zinovjev & Vikberg (1998a).