<strong> The Eurasian species of <em> Xyela </ em> (Hymenoptera, Xyelidae): taxonomy, host plants and distribution </ strong> Author Blank, Stephan M. stephan.blank@senckenberg.de. Author Shinohara, Akihiko shinohar@kahaku.go.jp. Author Altenhofer, Ewald stephan.blank@senckenberg.de. text Zootaxa 2013 2013-03-18 3629 1 1 106 http://dx.doi.org/10.11646/zootaxa.3629.1.1 journal article 53391 10.11646/zootaxa.3629.1.1 9bac424f-e31f-4780-a976-f4fe3ba62156 1175-5326 5261330 FF47F026-9CB6-4390-B900-130A3DF2B33B Xyela rasnitsyni group Diagnosis . Ovipositor sheath very long (3.0– 3.3 mm ), fore wing 1.20–1.25 times longer than ovipositor ( Fig. 104 ); valvula 3 compressed in cross-section, with acicular tip, without defined sensilla field; harpes longer than wide; medial lobe of penis valve strongly asymmetrical, inclined toward base of valviceps ( Fig. 140 ). Species included . Xyela rasnitsyni in the East Palearctic.