Smit J.

Two new species of the genus Callicera Panzer (Diptera: Syrphidae) from the Palaearctic Region

. Zootaxa [Internet]. 2014 Mar. 19 [cited 2025 Apr. 25];3779(5):585–590. Available from: https://mapress.com/zt/article/view/zootaxa.3779.5.8