Rafael, J.A. and Cumming, J.M. 2009. Revision of the genus Macrostomus Wiedemann (Diptera: Empididae: Empidinae). I. The ferrugineus species-group. Zootaxa. 2064, 1 (Apr. 2009), 39–56. DOI:https://doi.org/10.11646/zootaxa.2064.1.4.