27.88, 42.82: 10 Treatments

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Lasius platythorax     Seifert, Bernhard, 2019, Lasius nigroemarginatus FOREL, 1874 is a F Hybrid between L. emarginatus (OLIVIER, 1792) and L. platythorax SEIFERT, 1991 (Hymenoptera, Formicidae), Beiträge Zur Entomologie = Contributions to Entomology 69 (2), pp. 291-300 : 294 294
Formica clara subsp. clara     Seifert, B. & Schultz, R., 2009, A taxonomic revision of the Formica rufibarbis Fabricius, 1793 group (Hymenoptera: Formicidae)., Myrmecologische Nachrichten 12, pp. 255-272 : 263-265 263-265
Scotophaeus peninsularis     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 : 236 236
Agrilus macroderus     Jendek, Eduard & Nakládal, Oto, 2019, Taxonomic, distributional and biological study of the genus Agrilus (Coleoptera: Buprestidae). Part II, Zootaxa 4554 (2), pp. 401-459 : 428 428
Trox niger     Petrova, Yana, Gradinarov, Denis & Sivilov, Ognyan, 2019, New records of Trox Fabricius, 1775 species (Scarabaeoidea: Trogidae) from Bulgaria, ZooNotes 2019 (151), pp. 1-4 : 1-2 1-2
Sterictiphora longicornis     Liston, Andrew, Prous, Marko & Macek, Jan, 2019, On Bulgarian sawflies, including a new species of Empria (Hymenoptera, Symphyta), Deutsche Entomologische Zeitschrift 66 (1), pp. 85-105 : 86 86
Empria tridens     Liston, Andrew, Prous, Marko & Macek, Jan, 2019, On Bulgarian sawflies, including a new species of Empria (Hymenoptera, Symphyta), Deutsche Entomologische Zeitschrift 66 (1), pp. 85-105 : 91 91
Empria parvula     Liston, Andrew, Prous, Marko & Macek, Jan, 2019, On Bulgarian sawflies, including a new species of Empria (Hymenoptera, Symphyta), Deutsche Entomologische Zeitschrift 66 (1), pp. 85-105 : 90-91 90-91
Strongylogaster xanthocera     Liston, Andrew, Prous, Marko & Macek, Jan, 2019, On Bulgarian sawflies, including a new species of Empria (Hymenoptera, Symphyta), Deutsche Entomologische Zeitschrift 66 (1), pp. 85-105 : 101 101
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