28.4539, 43.3792: 10 Treatments

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Lacanobia praedita subsp. canescens   subsp. nov.  Zlatkov, Boyan, Beshkov, Stoyan & Huemer, Peter, 2021, New Noctuoidea taxa from the Silver Coast of Bulgaria (Insecta: Lepidoptera), Ecologica Montenegrina 46, pp. 98-119 : 107-111 107-111
Eutelia adoratrix subsp. platinea   subsp. nov.  Zlatkov, Boyan, Beshkov, Stoyan & Huemer, Peter, 2021, New Noctuoidea taxa from the Silver Coast of Bulgaria (Insecta: Lepidoptera), Ecologica Montenegrina 46, pp. 98-119 : 101-105 101-105
Paracossulus thrips     Beshkov, Stoyan & Nahirnić-Beshkova, Ana, 2022, Paracossulus thrips (Hübner, 1818) (Cossidae) and Lignyoptera fumidaria (Hübner, 1825) (Geometridae) - two Lepidoptera genera new for Serbia with a review of the distribution of these two Habitats Directive species in the Balkan Peninsula, Ecologica Montenegrina 51, pp. 65-80 : 66-74 66-74
Hadena adriana subsp. petergyulaii   subsp. nov.  Zlatkov, Boyan, Beshkov, Stoyan & Huemer, Peter, 2021, New Noctuoidea taxa from the Silver Coast of Bulgaria (Insecta: Lepidoptera), Ecologica Montenegrina 46, pp. 98-119 : 111-116 111-116
Netomocera setifera     Mitroiu, Mircea-Dan, 2019, Revision of Netomocera Bouček (Hymenoptera: Chalcidoidea: Pteromalidae), excluding the Oriental species, European Journal of Taxonomy 568, pp. 1-87 : 76-81 76-81
Metylophorus nebulosus     Georgiev, Dilian, .,. I, ., .,., ., ., ., ., .,., ., ., . & ., 2017, Little known and newly recorded species of Psocoptera in Bulgaria, Ecologica Montenegrina 11, pp. 74-79 : 78 78
Ballus rufipes     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 : 246 246
Tetramorium caespitum     Schär, Sämi & Schär, Desi Dimitrova, 2020, Tetramorium meridionale Emery, 1870, eine freilebende gebietsfremde Ameise in der Schweiz (Hymenoptera: Formicidae), Entomo Helvetica 13, pp. 9-18 : 11 11
Sphaerosyllis pontica   sp. nov.  Martín, Guillermo San, 2017, Taxonomic contribution to the genus Sphaerosyllis (Annelida: Syllidae: Exogoninae) in the Black Sea, Zootaxa 4329 (3), pp. 281-291 : 284-288 284-288
Microlestes minutulus     Teofilova, Teodora, 2021, New and unpublished data about Bulgarian ground beetles of the tribe Lebiini (Coleoptera: Carabidae), ZooNotes 2021 (174), pp. 1-4 : 2 2