Posted by Paul Beuk on 02-10-2018 10:16
#2
Two options:
Chvála, M., 1970. Revision of Palaearctic species of the genus
Tachydromia Meig. (=
Tachista Loew) (Diptera, Empididae). -
Sbornik Entomologického Oddeleni Národneho Musei v Praze 38 (1969): 431-540.
Chvála, M., 1975. The Empidoidea (Diptera) of Fennoscandia and Denmark. -
Fauna Entomologica Scandinavica 3: 1-336.