23.366388, 41.273056: 10 Treatments

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Lethrus (Lethrus) strymonensis   sp. nov.  Král, David & Hillert, Oliver, 2013, Three new Lethrus species close to L. raymondi (Coleoptera: Geotrupidae) from the Balkan Peninsula, Acta Entomologica Musei Nationalis Pragae 53 (1), pp. 219-244 : 234-240 234-240
Dignathodon microcephalus     Bachvarova, Darina, Vagalinski, Boyan, Doichinov, Aleksandar & Stoev, Pavel, 2017, New records of millipedes and centipedes from Bulgaria, with an annotated checklist of the Bulgarian myriapods, Zootaxa 4263 (3), pp. 507-526 : 508 508
Protypusia kerkini   gen. et sp. nov.  Gibbs, David, 2023, A world review of the bee fly tribe Usiini (Diptera, Bombyliidae) - Part 3: Parageron Paramonov s. lat., European Journal of Taxonomy 863 (1), pp. 1-162 : 90-92 90-92
Harpactea samuili     Naumova, Maria & Deltshev, Christo, 2021, New Faunistic And Taxonomic Notes On The Haplogyne And Cribellate Spiders (Araneae: Dictynidae, Dysderidae, Eresidae, Filistatidae, Sicariidae) From Three Balkan Countries, Acta Zoologica Academiae Scientiarum Hungaricae 67 (1), pp. 63-76 : 65 65
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
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
Mesiotelus scopensis     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 : 203-206 203-206
Verbascum salicifolium   sp. nov.  Zografidis, Aris, Liveri, Eleni, Ioannidis, Vasilis & Dimopoulos, Panayotis, 2022, Verbascum salicifolium (Scrophulariaceae) a new species from Central Macedonia, Greece, Phytotaxa 552 (3), pp. 182-190 : 183-188 183-188
Calymmochilus subnubilus     Fusu, Lucian, Askew, Richard R. & Ribes, Antoni, 2018, Rediscovery of Calymmochilus russoi Gibson, 1995 (Hymenoptera, Chalcidoidea, Eupelmidae), and revision of European Calymmochilus Masi, 1919, Zootaxa 4504 (4), pp. 501-523 : 517-518 517-518
Eupelmus (Eupelmus) lanceolatus   sp. nov.  Gary A. P. Gibson & Lucian Fusu, 2016, Revision of the Palaearctic species of Eupelmus (Eupelmus) Dalman (Hymenoptera: Chalcidoidea: Eupelmidae), Zootaxa 4081 (1), pp. 1-331 : 150-154 150-154