Reference
Hans Bartsch, Tore R. Nielsen, Martin C. D. Speight (2002): Reappraisal of Xylota caeruleiventris Zetterstedt, 1838, with remarks on the distribution of this species and X. jakutorum Bagatshanova, 1980 in Europe – Volucella - Die Schwebfliegen-Zeitschrift – 6: 69 - 79.