Blank, Stephan M., Akihiko Shinohara, and Ewald Altenhofer. 2013. “The Eurasian Species of Xyela (Hymenoptera, Xyelidae): Taxonomy, Host Plants and Distribution”. Zootaxa 3629 (1). Auckland, New Zealand:1–106. https://doi.org/10.11646/zootaxa.3629.1.1.