title: Revision of the key characters for the Thricops nigrifrons species-group (Diptera, Muscidae).
abstract: An analysis of key characters for the separation of Thricops nigrifrons and Thricops longipes (Diptera, Muscidae) is given. A revised key for Thricops nigrifrons and related species, including two species recently described from the Caucasus, is proposed.
authors: Zoological Museum of Moscow University, Bolshaya Nikitskaya 6, Moscow, 125009, Russia (ZMMU).
authors: Nikita
authors: N
authors: Vikhrev