Empis praevia explained

Empis praevia is a species of fly in the family Empididae. It is included in the subgenus Empis.^[1] It is found in the Palearctic.^{[2] [3] [1]}

Notes and References

1. Book: Collin, J.E.. British Flies VI: Empididae Part 2: Hybotinae, Empidinae (except Hilara). 4. 1961. Cambridge UP. Cambridge. 329.
2. http://www.fauna-eu.org/ Fauna Europaea
3. Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Parts I, II . Amerind Publishing Co., New Delhi.