Langourov, M., 2020. A new species of Triphleba Rondani (Diptera: Phoridae) from Kyrgyzstan with some other scuttle flies from the region. — Ecologica Montenegrina, 29: 34—39. [PDF]
Darlenski, R. B., Bogdanov, I. A., Langourov, M. S., Manuelyan, K. L., 2020. An outbreak of cellulitis-like insect dermatitis from black flies(Simuliidae) and treatment algorithm. — Dermatology and Venereology, 59 (2): 19—25. [PDF]
Abadjiev, S., Langourov, M., 2020. The type specimens of Papilionoidea in the collection of the National Museum of Natural History, Sofia (Lepidoptera). — Zootaxa, 4790 (3): 473—490. doi:10.11646/zootaxa.4790.3.3
Abadjiev, S., Langourov, M., 2020. Additional types of Papilionoidea from the collection of the National Museum of Natural History, Sofia (Lepidoptera). — Historia naturalis bulgarica, 41: 95—98. [PDF] doi:10.48027/hnb.41.12002
Асенова, А., Лангуров, М., Симов, Н., Бекчиев, Р., 2020. Бъдете равни с природата. Учебно помагало за деца от предучилищна възраст. — Община Кюстендил, Национален природонаучен музей—БАН, София, 56 с. [PDF]
Асенова, А., Лангуров, М., Симов, Н., Бекчиев, Р., 2020. Будите једнаки са природом. Кратка образовна књижица за децу предшколског узраста. — Општина Ћустендил, Национални природњачки музеј—БАН, Софија, 55 с. [PDF]
Langourov, M., Simov, N., Abadjiev, S., 2019. Notes on the distribution of some species of Lepidoptera in Kazakhstan. — Historia naturalis bulgarica, 36: 1—6. [PDF] doi:10.48027/hnb.36.01001
Langourov, M., 2019. New data on the Lepidoptera of Armenia (Lepidoptera: Papilionoidea). — SHILAP Revista de Lepidopterología, 47 (187): 415—435. [PDF]
Langourov, M., 2019. New data on the butterflies of Western Stara Planina Mts (Bulgaria & Serbia) (Lepidoptera, Papilionoidea). — Ecologica Montenegrina, 20: 119—162. [PDF]
Kechev, M., Langourov, M., 2019. New records of Lance flies (Diptera: Lonchaeidae) to Bulgaria and Montenegro with notes on the distribution of the family Lonchaeidae for the Balkan Peninsula. — Silva Balcanica, 20 (1): 85—88. [PDF]