25.45, 41.3: 11 Treatments

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Oncopygius distans     Beschovski, Venelin, 2012, Two genera of Long-legged Flies (Diptera: Dolichopodidae) new for the fauna of Bulgaria, ZooNotes 29, pp. 1-2 : 1 1
Messor carpathous   stat. nov.  Salata, Sebastian & B, Lech Borowiec, 2019, Preliminary contributions toward a revision of Greek Messor Forel, 1890 (Hymenoptera: Formicidae), Turkish Journal of Zoology 43 (1), pp. 52-67 : 54-64 54-64
Strongylognathus karawajewi     Lapeva-Gjonova, Albena & Radchenko, Alexander G., 2021, Ant genus Strongylognathus (Hymenoptera, Formicidae) in Bulgaria: a preliminary review, Biodiversity Data Journal 9, pp. 65742-65742 : 65742 65742
Titanoeca deltshevi   sp. nov.  Naumova, Maria, 2019, Description of Titanoeca deltshevi sp. n. from Bulgaria with faunistic notes on related species in the Balkans (Araneae, Titanoecidae), Zootaxa 4688 (3), pp. 420-430 : 421-424 421-424
Cerceris quadricincta     Dollfuss, Hermann, 2021, The Sphecid Wasps of the genus Cerceris LATREILLE, 1802 of the Jiři Halada collection (Suchdol nad Lužnicí, Czech Republic), from the Palearctic Region (Hymenoptera, Apoidea, Crabronidae), Linzer biologische Beiträge 53 (2), pp. 577-630 : 609-610 609-610
Trachusa integra     Kasparek, Max, 2020, Revision of the Palaearctic Trachusa interrupta species complex (Apoidea: Anthidiini) with description of four new species, Zootaxa 4728 (1), pp. 1-48 : 22-26 22-26
Cerceris stratiotes     Dollfuss, Hermann, 2018, The Sphecid Wasps of the genus Cerceris LATREILLE, 1802 of the " Biologiezentrum Linz " - Collection in Linz, Austria, from the Palearctic Region (part I). (Hymenoptera, Apoidea, Crabronidae), Linzer biologische Beiträge 50 (2), pp. 1125-1170 : 1166-1167 1166-1167
Pyramica baudueri     Bezděčka, P. & Bezděčková, K., 2009, First record of Pyramica baudueri (EMERY, 1875) (Hymenoptera: Formicidae) from Bulgaria., Myrmecologische Nachrichten 13, pp. 1-2 : 1-2 1-2
Strongylognathus bulgaricus     Lapeva-Gjonova, Albena & Radchenko, Alexander G., 2021, Ant genus Strongylognathus (Hymenoptera, Formicidae) in Bulgaria: a preliminary review, Biodiversity Data Journal 9, pp. 65742-65742 : 65742 65742
Mesiotelus confusus   sp. nov.  Zamani, Alireza, Fomichev, Alexander A., Naumova, Maria, Kaya, Rahşen S. & Marusik, Yuri M., 2024, New taxonomic and faunistic data on Liocranidae (Arachnida: Araneae) of West Palaearctic), with nine new species of Mesiotelus Simon, 1897, Zootaxa 5519 (2), pp. 190-214 : 196-197 196-197
Titanoeca flavicoma     Naumova, Maria, 2019, Description of Titanoeca deltshevi sp. n. from Bulgaria with faunistic notes on related species in the Balkans (Araneae, Titanoecidae), Zootaxa 4688 (3), pp. 420-430 : 424 424