Euura mucronata (Hartig, 1837)

on Salix

Euura mucronata: galls on Salix cinerea

Salix cinerea, Biddinghuizen, Spijkbos © Arnold Grossurt

Euura mucronata: gall on Salix cinerea

opened gall with frass

Euura mucronata: gall on Salix cinerea

sliced gall

Euura mucronata: gall on Salix caprea

Salix caprea © Roelof Jan Koops

Euura mucronata gall

Salix aurita, Belgium, prov. Liège, Eupen; © Jean-Yves Baugnée

Euura mucronata gall

opened gall, with parasitoid pupa

gall

the catkin-buds are swollen and unusually firm. For the oviposition the wasp’s ovipositor has pierced through the base of petiole, often leaving a clear scar. Inside a single sawfly caterpillar. Often several buds of the same shoot are galled. Univoltine; hibernation in the soil.

hostplants

Salicaceae, narrowly monophagous

Salix aurita, caprea, cinerea.

larva

Third abdominal segment with 3 dorsal annulets. Suranal plate without pseudocerci.

synonyms

Euura gemmacinereae Kopelke, 2001; Euura nigritarsis Cameron, 1885; Cryptocampus saliceti: auctorum nec Fallén 1808..

note

Member of the Euura amerinae species group.

references

Béguinot (2002g, 2006b, 2007b), Bellmann (2012a), Beneš (2014a), Houard (1908a), Koops (2013a), Kopelke (1999a, 2001a), Kopelke & Amendt (2002a), Lambinon, Schneider & Chevin (2003a), Liston (2006a), Liston, Heibo, Prous ao (2017a), Mol (2013a), Price, Roininen & Tahvanainen (1987a), Pschorn-Walcher & Altenhofer (2000a, 2006a), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2014a), Zinovjev & Vikberg (1998a).

mod 26.v.2018