Nikolov, V., Simov, N., Vasile, Ş., Csiki-Sava, Z., Dochev, D., Yaneva, M., Bogdanova, R., Hristova, L., 2024. Problematic fossils from the Upper Cretaceous of western Bulgaria might be the first record of Mesozoic insects in the country. — Review of the Bulgarian Geological Society, 85 (3): 73—76. doi:10.52215/rev.bgs.2024.85.3.73
Toshkova, N., Zlatkov, B., Fakirova, A., Zhelyazkova, V., Simov, N., 2022. First record of Psorergatoides Fain, 1959 (Acari, Cheyletoidea, Psorergatidae) for the Balkan Peninsula with description of the cutaneous lesions on the wing membrane of its hosts Myotis myotis (Borkhausen, 1797) and Myotis blythii (Tomes, 1857)(Chiroptera, Vespertilionidae). — Biodiversity Data Journal, 10: e89514.
Simov, N., Toshkova, N., Langourov, M., 2022. An unexpected guest in the winter: first record of Aradus bimaculatus Reuter, 1872 (Hemiptera: Aradidae) for the Balkan fauna. — Historia naturalis bulgarica, 44 (9): 91—95. [PDF] doi:10.48027/hnb.44.091
Langourov, M., Simov, N., Abadjiev, S., 2022. The invasion continues: Hierodula tenuidentata (Mantodea), Leptoglossus occidentalis (Hemiptera) and Pelopidas thrax (Lepidoptera) already on the island of Alonnisos. — Historia naturalis bulgarica, 44 (11): 137—144. [PDF] doi:10.48027/hnb.44.112
Grozeva, S., Stoianova, D., Konstantinov, F., Simov, N., Kuznetsova, V. G., 2022. A synopsis of the numbers of testicular follicles and ovarioles in true bugs (Heteroptera, Hemiptera)—sixty-five years of progress after J. Pendergrast’s review. — ZooKeys, 1136: 71—123. doi:10.3897/zookeys.1136.96431
Simov, N., Langourov, M., Sakalian, V., Bozukov, V., 2021. First fossil jewel beetle (Insecta: Coleoptera: Buprestidae) from Middle Miocene deposits in Bulgaria. — Historia naturalis bulgarica, 42: 31—34. [PDF] doi:10.48027/hnb.42.052
Simov, N., Langourov, M., Pavlova, A., Hubenov, Z., Bozukov, V., 2021. First record of fossil Diptera (Insecta) in Miocene deposits in Bulgaria. — Comptes rendus de l’Académie bulgare des Sciences 74 (2): 233—240. doi:10.7546/CRABS.2021.02.10 [PDF]
Langourov, M., Simov, N., Abadjiev, S., 2021. Three species of butterflies new for the North Aegean Island of Lemnos (Greece). — Historia naturalis bulgarica, 42: 79—86. [PDF] doi:10.48027/hnb.42.101
Koynova, T. V., Valkova, S. I., Simov, N. P., Langourov, M. S., Natchev, N. D., 2021. Data on the Stomach Content Analysis and Fat-body Morphology in the Agile Frog (Rana dalmatina Fitzinger in Bonaparte, 1838) during the Mating Season in Bulgaria. — Ecologia Balkanica, 13 (1): 27—33. [PDF]
Stoianova, D., Simov, N., Vu, M. Q., Nguyen, D. M., Grozeva, S., 2020. New data on karyotype, spermatogenesis and ovarian trophocyte ploidy in three aquatic bug species of the families Naucoridae, Notonectidae, and Belostomatidae (Nepomorpha, Heteroptera). — Comparative Cytogenetics, 14 (1): 139—156. doi:10.3897/CompCytogen.V14i1.48709