Xyela helvetica, Taxa Only, Exact Match: 2 Treatments

Xyela helvetica			Schedl, W., 2015, Die Symphyten-Sammlung von Dr. Ernst Pechlaner am Institut für Zoologie in Innsbruck (Insecta: Hymenoptera), Linzer biologische Beiträge 47 (1), pp. 597-619 : 599	599
Xyela helvetica			Blank, Stephan M., Shinohara, Akihiko & Altenhofer, Ewald, 2013, <strong> The Eurasian species of <em> Xyela </ em> (Hymenoptera, Xyelidae): taxonomy, host plants and distribution </ strong>, Zootaxa 3629 (1), pp. 1-106 : 54-55	54-55