O. P. Negrobov, I. Y. Grichanov, and A. V. Barkalov, “The Dolichopus latipennis species group (=Hygroceleuthus Loew) in the Palearctic Region (Diptera: Dolichopodidae)”, Zootaxa, vol. 2087, no. 1, pp. 37–45, May 2009.