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 Ovtshinnikova O. G., 1986: Musculature of male genitalia in flies of the superfam. Stratiomyioidea (Diptera). 14 pp. (in Russian). Entomologitsheskoe obozrenie 65(2): 280-293.

 Ovtshinnikova O. G., 1987: Musculature of the male genitalia in flies of the family Coenomyiidae and systematic position of this family among the lower Brachycera (Diptera). 9 pp. (in Russian). Entomologitsheskoe obozrenie 66(2): 256-264.

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 Ovtshinnikova O. G., 1996: Peculiarities of the structure of male genitalia in some species of hover-flies (Diptera, Syrphidae). 11 pp. (in Russian). Entomologitsheskoe obozrenie 75(3): 542-552.

 Owada M., 1993: The systematic position of Shisa excellens (Lepidoptera, Ratardidae). 10 pp. 

 Owada M., Arita Y., Jinbo U., 2001: Moths of the garden of the institute for nature study, Tokyo, Central Japan. 30 pp. 

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 Owada M:, Arita Y., Kishida Y., Ikeda M., Jinbo U., 2000: Moths of the garden of the Imperial Palace, Tokyo, Central Japan. 54 pp. 

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 Owen C. L., Moulds M. S., 2016: Systematics and phylogeny of the Australian cicada genus Pauropsalta Goding and Froggatt, 1904 and allied genera (Hemiptera: Cicadidae: Cicadettini). 84 pp. Records of the Australian Museum 68(4): 117-200.

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 Owen D. F., Chanter D. O., 1972: Species diversity and seasonal abundance in Charaxes butterflies (Nymphalidae). 9 pp. 

 Owen J. A., 1993: Studies on the life history of Chrysolina crassicornis (Helliesin) (Col: Chrysomelidae). 6 pp. 

 Owen J. A., Allen A. J. W., Booth R. G., Luff M. L., 1997: Beetles from a large grass-compost heap studied over three years at a site in Surrey, Great Britain. 14 pp. 

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 Özaslan C., Akin K. K., Bolu H., Özdemír M., 2016: Reported aphid (Hemiptera: Aphidoidea) and ant (Hymenoptera: Formicidae) species associations from Samsun Province. 10 pp. Journal of the Entomological Research Society 18(3): 97-106.

 Özbek H., 2009: Eretmocera medinella (Staudinger) (Lepidoptera: Scythrididae), a species new to Turkey. 3 pp. Journal of the Entomological Research Society 11(2): 57-59.

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 Özbek H., 2013: New data on large carpenter-bees of Turkey with considerations about their importance as pollinators. 11 pp. (in English). Journal of the Entomological Research Society 15(1): 79-89.

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 Özbek H., Coruh S., Kolarov J., 2003: A contribution to the Ichneumonidae fauna of Turkey. Subfamily Ichneumoninae (Hymenoptera). 8 pp. [M23] Entomofauna 24/10: 157-164.

 Özbek H., Pekel S., Kolarov J., 2000: New distributional data of the Turkish Ichneumonidae (Hymenoptera) II. Ctenopelmatinae and Campopleginae. 8 pp. 

 Özdikmen H., 2004: A check-list of the genus Pedostrangalia Sokolov, 1896 (Coleoptera, Cerambycidae) from Turkey with a new record. 9 pp. Journal of the Entomological Research Society 6(1): 23-31.

 Özdikmen H., 2006: Scientific note: A new replacement name for Castaliella Cobos, 1981 (Coleoptera: Buprestidae). 1 pp. [M50] Pan-pacific entomologist 82(2): 273.

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 Ozerov A. L., 1985: A new and little known species of the Sepsidae (Diptera) from the Far East. 6 pp. (in Russian). Entomologitsheskoe obozrenie 64(4): 839-844.

 Ozerov A. L., 1986: K poznaniju muravjevidok (Diptera, Sepsidae) fauny SSSR. 6 pp. 

 Ozerov A. L., 1986: To the knowledge of Sepsidae (Diptera) of the fauna of the USSR. 6 pp. (in Russian). Entomologitsheskoe obozrenie 65(3): 639-644.

 Ozerov A. L., 1989: Flies of the families Sepsidae and Piophilidae (Diptera) of the Zejskij state nature preserve. 11 pp. (in Russian). Entomologitsheskoe obozrenie 68(4): 839-849.

 Ozerov A. L., 1992: New data on the neotropical sepsids (Diptera Sepsidae). 6 pp. Russian Entomol. J. 1(1): 81-86.

 Ozerov A. L., 1992: The results of the examination of the syntypes of Sepsi insularis Williston, 1896 and Sepsis furcata Melander et Spuler, 1917 (Diptera Sepsidae). 1 pp. Russian Entomol. J. 1(2): 75.

 Ozerov A. L., 1993: Four new synonyms in the family Sepsidae (Diptera). 2 pp. (in Russian). Entomologitsheskoe obozrenie 72(1): 248-249.

 Ozerov A. L., 1993: Six new species of the genus Palaeosepsis Duda (Diptera Sepsidae). 9 pp. Russian Entomol. J. 2(1): 63-71.

 Ozerov A. L., 1995: To the fauna and taxonomy of African Sepsidae (Diptera). 18 pp. Russian Entomol. J. 4(1-4): 127-144.

 Ozerov A. L., 1997: Some types of North American and African species of Sepsidae (Diptera). 4 pp. Russian Entomol. J. 6(1-2): 85-88.

 Ozerov A. L., 1997: Two new species of Sepsidae (Diptera). 3 pp. Russian Entomol. J. 6(3-4): 83-85.

 Ozerov A. L., 1998: A new species of the genus Sepsis Fallén (Diptera, Sepsidae) from North Ossetia. 2 pp. Russian Entomol. J. 7(1-2): 57-58.

 Özgül O., Koc H., 2010: New records from inner west Anatolia to the Turkish Limoniidae (Insecta, Diptera) fauna. 5 pp. Journal of the Entomological Research Society 12(3): 45-49.

 Özgül O., Koc H., 2010: New records from inner west Anatolia to the Turkish Limoniidae (Insecta, Diptera) fauna. 5 pp. Journal of the Entomological Research Society 12(3): 45-49.

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 Ozols E. J., 1959: Spisok naezdnikov, poimannych na ultrafioletovyj svet v Latvijskoj SSR. 3 pp. 

 Ozols E. Ya., 1957: Nekotorye osobennosti fauny lesnych ichnevmonid Latvii (Hymenoptera, Ichneumonidae). 8 pp. 

 Ozols E. Ya., 1959: Novye vidy Ichneumonidae fauny Latvijskoj SSR. 25 pp.