The unpublished zoogeographical views of louse flies from genus Hippobosca deposited in Collection of the Zoological institute of Russian Academy of Sciences in St. Petersburg, Russia from Transcaucasia are summarized. A total 248 deposited samples and one recent sample belonging to species Hippobosca equina Linnaeus, 1758 and Hippobosca longipennis Fabricius, 1805 from Armenia, Azerbaijan, Georgia, Southern Caucasus and north-western Iran are presented.