Euura triandrae (Benson, 1941)

on Salix

Salix triandra, Millingerwaard, 4.vii.2011. Galls on sunny leaves have their upper side often wine red.

Euura triandrae: galls on Salix triandra

Salix triandra, Amsterdam-West, Lange Bretten

opened gall

larve

Euura triandrae: parasitised gall on Salix triandra

Salix triandra, GD Luxembourg, Höllenfels, 10.vii.2017 © Sébastien Carbonelle: parasitised gall

gall

Bean shaped gall in the leaf blade, about equally prominent at upper side and underside. Often two galls, at either side of the midrib. Generally bivoltine.

host plants

Salicaceae, narrowly monophagous

Salix triandra.

larva

Third abdominal segment with 4 dorsal annulets. Suranal plate with widely spaced pseudocerci.

synonyms

Pontania triandrae.

parasitoids, predators

Pnigalio nemati.

note

Member of the Euura proxima species group.

references

Altenhofer, Hellrigl & Mörl (2001a), Bellmann (2012a), Beneš (2015a), Buhr (1965a), Burton, Carbonnelle, Ellis & Schneider (2019a), Dauphin & Aniotsbehere (1997a), Flügel (2016a), Kopelke (1999a, 2005a), Kopelke & Amendt (2002a), Lambinon, Schneider & Chevin (2003a), Lambinon Schneider & Feitz (2012a), Liston (2006a), Liston, Heibo, Prous ao (2017a), Mol (2013a), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2014a).