North European gall-inducing Euura sawflies (Hymenoptera, Tenthredinidae, Nematinae) Author Liston, Andrew D. Author Heibo, Erik Author Prous, Marko Author Vårdal, Hege Author Nyman, Tommi Author Vikberg, Veli text Zootaxa 2017 2017-08-07 4302 1 1 115 journal article 32541 10.11646/zootaxa.4302.1.1 cabc0475-d35f-407e-a33f-40b59ad802b9 1175-5326 839880 31B4D326-8D50-41A9-A8A7-69D4427BAD53 Euura weiffenbachiella Liston & Vikberg , nom. nov. Euura weiffenbachii Ermolenko in Zerova, Dyakonchuk & Ermolenko, 1988: 48 –49. Described: ♀ , ♂ , gall, recorded host: Salix rosmarinifolia . Syntypes , ♀ and ♂ , SIZK [not examined]. Type locality: Ukraine , near Kiev , Romanivka District . Euura weiffenbachiella nom. nov. is proposed for E. weiffenbachii Ermolenko , preoccupied in Euura by Pteronidea weiffenbachi Lindqvist, 1958 [ E. piliserra ( Thomson, 1863 ) ]. Euura ( Euura ) weiffenbachii Ermolenko : Kopelke (1996) . Variability. Female: Body length: 4.6–5.5mm . Tegula brown to black. Male: 3.6–6.1mm . Female and male: outer orbits and lateral vertex somewhat brown to completely black. Total number of specimens examined: 19. Genetic data. COI barcode not distinguishable from those of E. myrtilloides , E. salicislapponicae , and E. salicispurpureae . Similar species. Its robust and usually large body are helpful in recognising this taxon. Females are otherwise most similar to E. myrtilloides : see key for distinguishing characters. Bionomics. Host plants: Salix repens , S. rosmarinifolia ( Kopelke 2003a ) . Biology: Enslin (1918b; as E. atra on S. repens ) , Kopelke (1996) , Roininen et al. (1993b : as E. atra on S. rosmarinifolia ), Weiffenbach (1992) . Enslin (1918b) and Weiffenbach (1992) both remarked on two different basic shapes of gall caused by this species: either spindle-shaped, with the shoot remaining straight, or very strongly developed on one side of the shoot, and causing it to bend, like a miniature gall of E. amerinae . We assume that the reason for this is a difference in the way oviposition takes place, and that the different-looking galls are caused by the same species. Distribution. Central and North Europe (Taeger et al. 2006), east to Yakutia ( Popov 2011 ). Occurrence in Sweden : published records; Skåne (Kullaberg; Benander 1966 , as E. atra on Salix repens ), Öland ( Coulianos & Holmåsen 1991, as E. atra on Salix repens ). Material examined: Skåne .