[1]
A. Ricarte, M. Ángeles Marcos-García, and G. Rotheray, “The early stages and life histories of three <i>Eumerus</i> and two <i>Merodon</i> species (Diptera: Syrphidae) from the Mediterranean region”, Entomol. Fennica, vol. 19, no. 3, pp. 129–141, Sep. 2008.