title: Ant genus Strongylognathus (Hymenoptera, Formicidae) in Bulgaria: a preliminary review
abstract: Four species of the socially parasitic ant genus <i>Strongylognathus</i> (<i>S. karawajewi</i> Pisarski, 1966, <i>S. huberi dalmaticus</i> Baroni Urbani, 1969, <i>S. afer</i> Emery, 1884 and <i>S. italicus</i> Finzi, 1924) are recorded for the first time from Bulgaria and, together with the previously-known <i>S. testaceus</i> and <i>S. bulgaricus</i> stat. rev., their total number reaches six. The taxonomic position and geographic distribution of all species are discussed and a Key for their id
journal: Biodiversity Data Journal