Ruttner, F., Biogeography and Taxonomy of Honeybees, Berlin: Springer-Verlag, 1988.

Book  Google Scholar 

Cridland, J.M., Tsutsui, N.D., and Ram Ramírez, S.R., The complex demographic history and evolutionary origin of the western honey bee, Apis mellifera, Genome Biol. Evol., 2017, vol. 9, no. 2, pp. 457–472. https://doi.org/10.1093/gbe/evx009

Article  PubMed  PubMed Central  Google Scholar 

Momeni, J., Parejo, M., Nielsen, R.O., et al., Authoritative subspecies diagnosis tool for European honey bees based on ancestry informative SNPs, BMC Genomics, 2021, vol. 22, p. 101. https://doi.org/10.1186/s12864-021-07379-7

Article  CAS  PubMed  PubMed Central  Google Scholar 

Requier, F., Garnery, L., Kohl, P.L., et al., The conservation of native honey bees is crucial, Trends Ecol. Evol., 2019, vol. 34, no. 9, pp. 789–798. https://doi.org/10.1016/j.tree.2019.04.008

Article  PubMed  Google Scholar 

Groeneveld, L.F., Kirkerud, L.A., Dahle, B., et al., Conservation of the dark bee (Apis mellifera mellifera): estimating c-lineage introgression in Nordic breeding stocks, Acta Agric. Scand., Sect. A, 2020, vol. 69, no. 3, pp. 157–168. https://doi.org/10.1080/09064702.2020.1770327

Article  CAS  Google Scholar 

Taurisano, V., Ribani, A., Sami, D., et al., Distribution of honey bee mitochondrial DNA haplotypes in an Italian region where a legislative act is protecting the Apis mellifera ligustica subspecies, Sci. Rep., 2024, vol. 14, p. 20583. https://doi.org/10.1038/s41598-024-71233-5

Article  CAS  PubMed  PubMed Central  Google Scholar 

Al-Ghamdi, A.A., Adgaba, N., Tadesse, Y., et al., Comparative study on the dynamics and performances of Apis mellifera jemenitica and imported hybrid honeybee colonies in southwestern Saudi Arabia, Saudi J. Biol. Sci., 2017, vol. 24, no. 5, pp. 1086–1093. https://doi.org/10.1016/j.sjbs.2017.01.008

Article  PubMed  PubMed Central  Google Scholar 

Schaumann, F., Norrström, N., Niklasson, M., and Leidenberger, S., Ecological comparison of native (Apis mellifera mellifera) and hybrid (Buckfast) honeybee drones in southwestern Sweden indicates local adaptation, PLoS One, 2024, vol. 19, no. 8, p. e308831. https://doi.org/10.1371/journal.pone.0308831

Article  CAS  Google Scholar 

De la Rúa, P., Jaffé, R., Dall’Olio, R., et al., Biodiversity, conservation and current threats to European honeybees, Apidologie, 2009, vol. 40, no. 3, pp. 263–284. https://doi.org/10.1051/apido/2009027

Article  Google Scholar 

Muñoz, I. and De la Rúa, P., Wide genetic diversity in Old World honey bees threaten by introgression, Apidologie, 2021, vol. 52, pp. 200–217. https://doi.org/10.1007/s13592-020-00810-0

Article  Google Scholar 

Fürst, M.A., McMahon, D.P., Osborne, J.L., et al., Disease associations between honeybees and bumblebees as a threat to wild pollinators, Nature, 2014, vol. 506, no. 7488, pp. 364–366. https://doi.org/10.1038/nature12977

Article  CAS  PubMed  PubMed Central  Google Scholar 

Goulson, D. and Hughes, W.O.H., Mitigating the anthropogenic spread of bee parasites to protect wild pollinators, Biol. Conserv., 2015, vol. 191, pp. 10–19. https://doi.org/10.1016/j.biocon.2015.06.023

Article  Google Scholar 

Piché-Mongeon, V. and Guzman-Novoa, E., Pathogen spillover from honey bees (Apis mellifera L.) to wild bees in North America, Discover Anim., 2024, vol. 1, p. 33. https://doi.org/10.1007/s44338-024-00034-x

Article  Google Scholar 

Levit, A.I., Yuzhnyi Ural: geografiya, ekologiya, prirodopol’zovanie: uchebnoe posobie (Southern Urals: Geography, Ecology, and Nature Management: A Textbook), Chelyabinsk: Yuzhno-Ural. Kn. Izd., 2005.

Petrov, E.M., Bashkirskaya bortevaya pchela (Bashkir Wild-Hive Honey Bee), Ufa: Bashkirsk. Kn. Izd., 1983.

Nikolenko, A.G., The state of the gene pool of the Bashkir Apis mellifera mellifera L. population, Doctoral (Biol.) Dissertation, St. Petersburg: Vseross. Nauchno-Issled. Inst Zashch. Rast. Russ. Akad. S-kh. Nauk, 2003.

Yumaguzhin, F.G., Population morphology of the Burzyan wild-hive honeybee Apis mellifera mellifera L., Doctoral (Biol.) Dissertation, Ufa: Bashk. Gos. Agrar. Univ., 2011.

Il’yasov, R.A., Kosarev, M.N., and Yumaguzhin, F.G., Burzyan wild-hive honeybee A. m. mellifera in the South Urals, Biomika, 2014, vol. 6, no. 4, pp. 190–195.

Google Scholar 

Interactive map of specially protected areas of the Republic of Bashkortostan https://dooptrb.ru/karta-oopt-rb1.php. Accessed September 22, 2025.

Garifullin, I. and Mukhametdinova, G., Zakaznik Altyn Solok, Vatandash, 2017, no. 4(247), pp. 202–206.

Kaskinova, M.D., Gaifullina, L.R., and Saltykova, E.S., Haplotypes of the tRNAleu-COII mtDNA region in Russian Apis mellifera populations, Animals, 2023, vol. 13, no. 14, p. 2394. https://doi.org/10.3390/ani13142394

Article  PubMed  PubMed Central  Google Scholar 

Il’yasov, R.A., Apis mellifera mellifera L. polymorphism in the Urals, Cand. Sci. (Biol.) Dissertation, Ufa: Institute of Biochemistry and Genetics of the Ufa Scientific Center of the Russian Academy of Sciences, 2006, p. 204.

Official website of the administration of the Yanaulskii district of the Republic of Bashkortostan. https://yanaul.bashkortostan.ru/district/. Accessed September 22, 2025.

Alpatov, V.V., Porody medonosnoi pchely (Honey Bee Breeds), Moscow: Mosk. O-vo. Ispyt. Prir., 1948.

Nikolenko, A.G. and Poskryakov, A.V., Polymorphism of locus COI-COII of mitochondrial DNA in the honeybee Apis mellifera L. from the Southern Ural Region, Russ. J. Genet., 2002, vol. 38, no. 4, pp. 364–368. https://doi.org/10.1023/A:1015289900666

Article  CAS  Google Scholar 

Solignac, M., Vautrin, D., Loiseau, A., et al., Five hundred and fifty microsatellite markers for the study of the honeybee (Apis mellifera L.) genome, Mol. Ecol. Notes, 2003, vol. 3, pp. 307–311. https://doi.org/10.1046/j.1471-8286.2003.00436.x

Article  CAS  Google Scholar 

Il’yasov, R.A., Petukhov, A.V., Poskryakov, A.V., and Nikolenko, A.G., Gene pool analysis of the modern population of the dark forest bee A. m. mellifera in the Urals and the Volga region, Biomika, 2015, vol. 7, no. 3, pp. 167–191.

Google Scholar 

Oleksa, A., Chybicki, I., Tofilski, A., and Burczyk, J., Nuclear and mitochondrial patterns of introgression into native dark bees (Apis mellifera mellifera) in Poland, J. Apic. Res., 2011, vol. 50, no. 2, pp. 116–129.

Article  Google Scholar 

Nawrocka, A., Kandemir, İ., Fuchs, S., et al., Computer software for identification of honey bee subspecies and evolutionary lineages, Apidologie, 2018, vol. 49, pp. 172–184. https://doi.org/10.1007/s13592-017-0538-y

Article  Google Scholar 

Masaquiza, D., Rodríguez, L.C., Zapata, J., et al., Use of wing geometric morphometric analysis and mtDNA to identify africanization of Apis mellifera in the Central Highlands of Ecuador, Insects, 2024, vol. 15, no. 8, p. 628. https://doi.org/10.3390/insects15080628

Article  PubMed  PubMed Central  Google Scholar 

Chibani Bahi Amar, A., Tabet Aoul, N., Fridi, R., et al., New COI-COII mtDNA region haplotypes in the endemic honey bees Apis mellifera intermissa and Apis mellifera sahariensis (Hymenoptera: Apidae) in Algeria, Insects, 2024, vol. 15, no. 7, p. 549. https://doi.org/10.3390/insects15070549

Article  PubMed  PubMed Central  Google Scholar 

Knoll, A., Langová, L., Pridal, A., and Urban, T., Haplotype diversity in mtDNA of honeybee in the Czech Republic confirms complete replacement of autochthonous population with the C lineage, Insects, 2024, vol. 15, no. 7, p. 495. https://doi.org/10.3390/insects15070495

Article  PubMed  PubMed Central  Google Scholar 

Garnery, L., Solignac, M., Celebrano, G., and Cornuet, J.-M., A simple test using restricted PCR-amplified mitochondrial DNA to study the genetic structure of Apis mellifera L., Experientia, 1993, vol. 49, pp. 1016–1021. https://doi.org/10.1007/BF02125651

Article  CAS  Google Scholar 

Evanno, G., Regnaut, S., and Goudet, J., Detecting the number of clusters of individuals using the software STRUCTURE: a simulation study, Mol. Ecol., 2005, vol. 14, no. 8, pp. 2611–2620. https://doi.org/10.1111/j.1365-294X.2005.02553.x

Article  CAS  PubMed  Google Scholar 

Li, Y.L. and Liu, J.X., StructureSelector: a web-based software to select and visualize the optimal number of clusters using multiple methods, Mol. Ecol. Resour., 2018, vol. 18, pp. 176–177. https://doi.org/10.1111/1755-0998.12719

Article  PubMed  Google Scholar 

Kaskinova, M.D., Gaifullina, L.R., Saltykova, E.S., et al., Assessment of the level of hybridization among populations of the dark forest bee Apis mellifera mellifera L. in the northern regions of Bashkortostan, Biomics, 2024, vol. 16, no. 1, pp. 56–60. https://doi.org/10.31301/2221-6197.bmcs.2024-6

Article  Google Scholar 

Baitullin, R.R., Giniyatullin, M.G., Sharipov, A.Ya., et al., A comprehensive study of honey bees in Bashkortostan, Pchelovodstvo, 2023, no. 6, pp. 12–14.

Il’yasov, R.A., Poskryakov, A.V., and Nikolenko, A.G., Analysis of the gene pool of the Burzyan population of dark forest bee A. m. mellifera L., Biomika, 2016, vol. 8, no. 3, pp. 200–207.

Google Scholar 

Pinto, M. A., Henriques, D., Chávez-Galarza, J., et al., Genetic integrity of the dark European honey bee (Apis mellifera mellifera) from protected populations: a genome-wide assessment using SNPs and mtDNA sequence data, J. Apic. Res., 2014, vol. 53, no. 2, pp. 269–278. https://doi.org/10.3896/IBRA.1.53.2.08

Article  Google Scholar