Barkalov, A., and T. Nielsen. “A New <i>Platycheirus</i> Species of the <i>manicatus</I> Meigen Subgroup from the Arctic Russia (Diptera: Syrphidae)”. Entomologica Fennica, vol. 23, no. 3, Oct. 2012, pp. 165-8, doi:10.33338/ef.84581.