Ant genus Strongylognathus (Hymenoptera, Formicidae) in Bulgaria: a preliminary review
Lapeva-Gjonova, Albena | Radchenko, Alexander
Strongylognathus Mayr, 1853 is a Palaearctic genus, comprising 25 ant species and one subspecies, all permanent social parasites, infesting colonies of various species of Tetramorium Mayr, 1855. They have patchy distribution throughout their areas and most of them are very rare and listed as vulnerable. The taxonomy of the Strongylognathushuberi group needs thorough revision and the results presented below can be considered as preliminary. Four species of the socially parasitic ant genus Strongylognathus (S.karawajewi Pisarski, 1966, S.huberidalmaticus Baroni Urbani, 1969, S.afer Emery, 1884 and S.italicus Finzi, 1924) are recorded for the first time from Bulgaria and, together with the previously-known S.testaceus and S.bulgaricus stat. rev., their total number reaches six. The taxonomic position and geographic distribution of all species are discussed and a Key for their identification, based on worker caste, is compiled.
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