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 Nosek, Balát, 1982: Infestation of migratory birds with Ixodes ricinus and I. arboricola ticks. 5 pp. 

 Novaretti A., 1990: Osservazioni su una particolare forma di Bolivina nei livelli diatomitici della successione di Marmorito. 5 pp. Bolletino del Museo regionale di Scienze Naturali – Torino 8(1): 243-247.

 Novelli M., Gambarino E., 1984: Il genere Aspella Mörch, 1877 nel Pliocene norditaliano. 14 pp. (in Spanish). Bolletino del Museo regionale di Scienze Naturali – Torino 2(1): 383-396.

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 Nowikoff M., 1939: Über den Bau der Leuchtzellen von Lampyris noctiluca. 8 pp. 

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 Nuorteva P., 1971: The incidence of Myianoetus muscarum (L.) (Acarina, Anoetidae) on three species of Muscina (Dipt., Muscidae) in Finland. 3 pp. 

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 Nyffeler M., Benz G., 1981: Einige Beobachtungen zur Nahrungsökologie der Wolsspinne Pardosa lugubris (Walck.), Araneae, Lycosidae. 4 pp. Deutsche entomologische Zeitschrift (N.F.) 28(4-5): 297-300.

 Nyffeler M., Benz G., 1982: Bemerkenswerte Spinnenfunde in Wiesen und Getreidefeldern bei Zürich. 4 pp. Mitt. Schweiz. entomol. Ges. 55(1-2): 97-100.

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 Nyffeler M., Benz G., 1987: The foliage-dwelling spider community of an abandoned grassland ecosystem in eastern Switzerland assessed by sweepsampling. 7 pp. Mitt. Schweiz. entomol. Ges. 60(3-4): 383-389.

 Nyffeler M., Benz G., 1988: Spiders inhabiting the field layer of a dry meadow near Zurich, Switzerland. 8 pp. Mitt. Schweiz. entomol. Ges. 61(1-2): 21-28.

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 Obrtel R., 1976: Soil surface harvestmen (Opilionidea) in a lowland forest. 34 pp. [M34] Acta Scientiarum Naturalium Academiae Scientiarium Bohemoslovacae Brno (N.S.) 10(12): 1-34.

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 Odier F., Vago C., Lamy M. E., 1974: Persistence of virus of vertebrates in the hemocoel of insects: Study on the Poliovirus into the larvae of Coleoptera. 7 pp. (in French). [EVE 948] [COL 1664]  Annales de la Societe entomologique de France (N.S.) 10(2): 449-455.

 Oezkan M., 1985: Hydrobaderia n. Gen., eine neue Hydryphatide-Gattung aus der Türkei (Acari, Actinedida, Hydrachnellae). 8 pp. [M17] 

 Oezkan, 1982: Wassermilben (Acari, Actinedida) aus der Türkei. 32 pp. [M16] 

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 Ofwegen L. P. van, 2005: A new genus of nephtheid soft corals (Octocorallia: Alcyonacea: Nephtheidae) from the Indo-Pacific. 236 pp. Zoologische Mededelingen Leiden 79(4): 1-236.

 Ofwegen L. P. van, 2008: The genus Sinularia (Octocorallia: Alcyonacea) at Palau, Micronesia. 105 pp. Zoologische Mededelingen 82: 631-735.

 Ofwegen L. P. van, 2008: The genus Sinularia (Octocorallia: Alcyonacea) from Bremer and West Woody islands (Gulf of Carpentaria, Australia). 35 pp. Zoologische Mededelingen 82: 131-165.

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 Ofwegen L. P. van, Benayahu Y., 1992: Notes on Alcyonacea (Octocorallia) from Tanzania. 16 pp. [EVE 546] Zoologische Mededelingen 66(6): 139-154.

 Ofwegen L. P. van, Hermanlimianto M. I. Y. T., 2014: Siboga plexaurids (Coelenterata: Octocorallia) re-examined. 40 pp. Zoologische Mededelingen 88(1-4): 19-58.

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 Ofwegen L. P. van, Vennam J., 1991: Notes on Octocorallia from the Laccadives (SW India). 12 pp. [EVE 547] Zoologische Mededelingen 65(9): 143-154.

 Ofwegen L. P. van, Vennam J., 1994: Results of the Rumphius biohistorical expedition to Ambon (1990). Part 3. The Alcyoniidae (Octocorallia: Alcyonacea). 24 pp. 

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 Okland J., 1964: Om utbredelsen av vannskorpionen (Nepy cinerea L.) i Norge. 7 pp. 

 Oliveira P. S., : Ant-mimicry in some spiders from Brazil. 15 pp. 

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 Olszanowski Z., 1991: New mites of Holonothrus from Tasmania (Oribatida: Crotoniidae). 12 pp. [ARA 350] [M25] Genus.

 Olszanowski Z., 1994: A new species of Camisia von Heyden from Poland (Acari: Oribatida: Camisiidae). 6 pp. [ARA351] Genus 5(3): 209-214.