25.8488, 41.5897: 11 Treatments

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Strongylognathus italicus     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
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
Strongylognathus afer     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
Euscorpius thracicus   sp. nov.  Kovařík, František, Lowe, Graeme, Byronová, Markéta & Šťáhlavský, František, 2020, Euscorpius thracicus sp n (Scorpiones: Euscorpiidae) from Bulgaria, Euscorpius 326, pp. 1-17 : 3-15 3-15
Strongylognathus huberi subsp. dalmaticus     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
Liposcelis rufa     Georgiev, Dilian, .,. I, ., .,., ., ., ., ., .,., ., ., . & ., 2017, Little known and newly recorded species of Psocoptera in Bulgaria, Ecologica Montenegrina 11, pp. 74-79 : 76 76
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
Osmia (Tergosmia) tergestensis     Müller, Andreas, 2020, Palaearctic Osmia bees of the subgenera Hemiosmia, Tergosmia and Erythrosmia (Megachilidae, Osmiini): biology, taxonomy and key to species, Zootaxa 4778 (2), pp. 201-236 : 222-223 222-223
Ammophila heydeni     Mith, 2013, The Ammophilini Wasps of the " Biologiezentrum Linz " - Collection in Linz, Austria (part 2) including the Genera Ammophila KIRBY and Podalonia FERNALD (Hymenoptera, Apoidea, Sphecidae), and description of the hitherto unknown male of Podalonia erythropus (F. SMITH 1856), Linzer biologische Beiträge 45 (1), pp. 565-591 : 571-575 571-575
Podalonia hirsuta     Dollfuss, H., 2010, The Ammophilini Wasps of the Genera Eremnophila MENKE, Eremochares GRIBODO, Hoplammophila de BEAUMONT, Parapsammophila TASCHENBERG and Podalonia FERNALD of the " Biologiezentrum Linz " - Collection in Linz, Austria, (Hymenoptera, Apoidea, Sphecidae), Linzer biologische Beiträge 42 (1), pp. 535-560 : 548-552 548-552
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