Euura collactanea (Förster, 1854)

on Salix

Euura collactanea gall on Salix repens

Salix repens, Oostvoorne, gall seen from the side

Euura collactanea: frass-filled gall

Same gall, cut open; while the larva grows the available space is taken increasingly by frass, while the gall’s wall becomes thinner.

Euura collactanea: larva in its gall on Salix repens

Salix repens, Belgium, prov. West Flanders, De Westhoek © Stéphane Claerebout

gall

globular gall, narrowly attached to the underside of the lamina. Variously hairy, sometimes warty; the colour varies from red-tinged green to bright red. Univoltine.

hostplants

Salicaceae, narrowly monophagous

Salix repens & subsp. rosmarinifolia.

synonyms

Eupontania, Pontania, collactanea; Eupontania collactanea rosmarinifoliae Vikberg & Zinovjev, 2006; Pontania vacciniella (Cameron, 1876).

note

Member of the Euura viminalis species group.

references

Bellmann (2012a), Beneš (2015a), Beneš & Holuša (2015a), Buhr (1965a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Koops (2013a), Kopelke (1999a), Liston (2003a, 2006a, 2007c), Liston, Heibo, Prous ao (2017a), Mol (2013a), Redfern & Shirley (2011a), Roller, Beneš, Blank ao (2006a), Roskam (2009a), Tomasi (2014a), Vikberg & Zinovjev (2006a).

mod 11.vii.2018