Euura piliserra (Thomson, 1862)

on Salix

Euura piliserra: galls on Salix viminalis

Salix viminalis, Dronten, Roggebotbos, 27.viii.2018 © Arnold Groscurt

Euura piliserra: galls on Salix viminalis

galls, undersides

Euura piliserra: larvae

two larvae

Euura piliserra gall

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

Euura piliserra larvae

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.

note

Member of the Euura oblita species group.

references

Beneš (2015a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Kopelke (2007c), Liston, Heibo, Prous ao (2017a), Mol (2013a), Tomasi (2014a), Vikberg (2009a), Zinovjev & Vikberg (1998a).

mod 15.ii.2019