Euura virilis (Zirngiebl, 1955)

on Salix

Salix purpurea, Hungary, Mosonmagyaróvár, 21.iv.2019 © László Érsek

Gall,s upper side

underside

transverse section

larva in the gall

larva

larva dorsal and ventral

larve, sternal view

√Salix purpurea, Belgium, prov. Luxembourg, Durbuy, la vieille Briqueterie de Rome, 8.vi.2014 © Carina Van Steenwinkel

less typical: gall at but one side of the midrib

the gall is hardly developed at the underside of the leaf

Salix purpurea, Belgium, prov. Namur, Fagnolle.5/v/2009 © Jean-Yves Baugnée

Salix purpurea, Voorne’s Duin, 31.v.2012 © Ben van As

Salix purpurea, Zwolle, 7.vii.2020 © Arnold Grosscurt: old, vacated galls

exit opening sometimes at the upper side …

… sometimes at the underside

gall

sausage or caterpillar shaped gall, consisting of a number (sometimes just two) compartments. The gall is most prominent at the upperside. Usually two galls at either side of the midrib.

host plants

Salicaceae, narrowly monophagous

Salix purpurea.

larva

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

synonym

Pontania virilis; Euura dolichura auct. nec (Thomson, 1871). The real dolichura is a northern European species that occurs on Salix lapponum.

note

Member of the Euura dolichura species group.

references

Béguinot (2002e,h, 2003a, 2012a), Bellmann (2012a), Beneš (2015a), Boevé, Peter, Jacobs, ao (2009a), Dauphin & Aniotsbehere (1997a), Kopelke (1985a, 1990a, 1994a, 1999a), Kopelke & Amendt (2002a), Lambinon, Schneider & Chevin (2003a), Lehmann & Flügel (2012a), Lehmann & Hannover (2016a), Liston (2006a), Liston, Heibo, Prous ao (2017a), Mol (2013a), Roller, Beneš, Blank ao (2006a), Roskam (2009a), Salas-Remón, Llimona, Lozano ao (2015a), Savina, Chevin & Liston (2014a).