Reference

Jens-Hermann Stuke, Leif Bloss Carstensen (2000): Biologie und Morphologie des dritten Larvenstadiums von Cheilosia lasiopa Kowarz, 1885 (Diptera, Syrphidae). / Biology and morphology of the third larval stage of Cheilosia lasiopa Kowarz, 1885 (Diptera, Syrphidae) – Volucella - Die Schwebfliegen-Zeitschrift – 5: 95 - 101.