23.62861, 43.10694: 10 Treatments

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Agrilus angustulus     Jendek, Eduard & Nakládal, Oto, 2019, Taxonomic, distributional and biological study of the genus Agrilus (Coleoptera: Buprestidae). Part II, Zootaxa 4554 (2), pp. 401-459: 404-407 404-407
Agrilus graminis     Jendek, Eduard & Nakládal, Oto, 2019, Taxonomic, distributional and biological study of the genus Agrilus (Coleoptera: Buprestidae). Part II, Zootaxa 4554 (2), pp. 401-459: 421-422 421-422
Agrilus sinuatus subsp. sinuatus     Jendek, Eduard & Nakládal, Oto, 2021, Taxonomic, distributional and biological study of the genus Agrilus (Coleoptera Buprestidae). Part III, Zootaxa 4963 (1), pp. 58-90: 82 82
Habrocerus pisidicus     Assing, Volker, 2008, A revision of the Habrocerinae of the world. IV. A new species of Habrocerus from China and additional records (Coleoptera: Staphylinidae), Beiträge Zur Entomologie = Contributions to Entomology 58 (1), pp. 135-144: 138-139 138-139
Leptopilos memorialis     Naumova, Maria, Blagoev, Gergin & Deltshev, Christo, 2021, Fifty spider species new to the Bulgarian fauna, with a review of some dubious species (Arachnida: Araneae), Zootaxa 4984 (1), pp. 228-257: 235 235
Tetragnatha shoshone     Naumova, Maria, Blagoev, Gergin & Deltshev, Christo, 2021, Fifty spider species new to the Bulgarian fauna, with a review of some dubious species (Arachnida: Araneae), Zootaxa 4984 (1), pp. 228-257: 248 248
Agyneta mollis     Naumova, Maria, Blagoev, Gergin & Deltshev, Christo, 2021, Fifty spider species new to the Bulgarian fauna, with a review of some dubious species (Arachnida: Araneae), Zootaxa 4984 (1), pp. 228-257: 238 238
Strongylognathus testaceus     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
Molophilus (Molophilus) balcanicus   sp. n.  Kolcsar, Levente-Peter, Toeroek, Edina & Keresztes, Lujza, 2015, A new species and new records of Molophilus Curtis, 1833 (Diptera: Limoniidae) from the Western Palaearctic Region, Biodiversity Data Journal 3, pp. 5466-5466: 5466 5466
Molophilus (Molophilus) balcanicus   sp. n.  Kolcsar, Levente-Peter, Toeroek, Edina & Keresztes, Lujza, 2015, A new species and new records of Molophilus Curtis, 1833 (Diptera: Limoniidae) from the Western Palaearctic Region, Biodiversity Data Journal 3, pp. 5466-5466: 5466 5466