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 Nishide Y., Tanaka S., 2013: Wing dimorphism in the migratory locust, Locusta migratoria: differentiation of wing morph and phase polyphenism. 11 pp. Entomological Science 16(4): 421-431.

 Nishikawa M., 2006: Notes on the Challinae (Dermaptera, Pygidicranidae), with description of three new species from China, Korea and Japan. 22 pp. Japanese Journal of systematic Entomology (N.S.) 12(1): 17-38.

 Nishikawa M., 2007: Identity of the Earwig Recorded as Nala () sp. in „Guide to Seashore Animals of Japan, Vol. II (1995)“ (Dermaptera, Labiduridae). 5 pp. Japanese Journal of systematic Entomology (N.S.) 13(1): 1-5.

 Nishikawa M., Nguyen T. T. C., Kunimi Y., 2006: Second record of Chelisoches variegatus (Burr, 1917) (Dermaptera, Chelisochidae) from Vietnam, with consideration as a biological control agent of coconut leaf beetle. 8 pp. Japanese Journal of systematic Entomology (N.S.) 12(2): 207-214.

 Novák V. J. A., Guttmann E., 1962: To the question of gliosecretion (Gliosomata) and other gomori-positive structures in the central nervous system of the cockroach Periplaneta americana L. 9 pp. [ORT 426] [M68] Acta Societatis entomologicae Cechosloveniae 59: 314-322.

 Ogawa J., 2003: A new species of the genus Tettigonia from Tsushima Is. of Japan (Orthoptera, Tettigoniidae). 5 pp. [ORT 1298] Japanese Journal of systematic Entomology (N.S.) 9(2): 291-295.

 Ogawa J., Ohbayashi N., 2003: Preliminary study of Japanese species of the genus Tettigonia (Orthoptera, Tettigoniidae). 14 pp. [72141] Japanese Journal of systematic Entomology (N.S.) 9(2): 145-158.

 Ogg C. L., Gold R. E., 1988: Exposure and field evaluation of fenoxycarb for german cockroach (Orthoptera: Blattellidae) control. 6 pp. 

 Oliger I. M., 1971: O geografičeskoj i populjacionnoj izmenčivosti i nekotorych vidov sarančovych roda Chorthippus (Orthoptera, Acrididae). 7 pp. 

 Olivier A., 1983: Role of the eggs and genital ducts in the maternal behaviour of Labidura riparia (Dermaptera). 14 pp. (in French). [ORT 1260]  Annales de la Societe entomologique de France (N.S.) 19(2): 209-222.

 Olmo J. M., 1991: Estudi preliminar dels ortopters de Menorca. 9 pp. Ses. Entom. ICHN-SCL, Barcelona. 7: 3-11.

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 Oschmann M., 1969: Bestimmungstabellen für die Larven mitteldeutscher Orthopteren. 15 pp. (in German). Deutsche Entomologische Zeitschrift (N.F.) 16(1-3): 277-291.

 Oschmann M., 1970: Neue Exemplare von Geradflüglern mit gynandromorphen Merkmalen (Saltatoria et Dermaptera). 4 pp. [ORT 432] Deutsche Entomologische Zeitschrift (N.F.) 18: 401-404.

 Oschmann M., 1973: Untersuchungen zur Biotopbindung der Orthopteren. 17 Abb., 30 pp. Faun. Abh. Mus. Tierk. Dresden 4(1970-1973): 177-206.

 Oshiro Y., 1995: A new species of the genus Anabropsis Rehn (Orthoptera, Steno-pelmatidae) from the Okinawa Island, SW Japan. 6 pp. Japanese Journal of systematic Entomology (N.S.) 1(2): 133-138.

 Oshiro Y., 1996: A new species of the genus Lebinthus Stal (Orthoptera, Gryllidae) from Yonaguni Island, southwest Japan. 5 pp. Japanese Journal of systematic Entomology (N.S.) 2(1): 19-23.

 Oshiro Y., 1996: Description of a new species of the genus Lebinthus Stal (Orthoptera, Gryllidae) from Lan Yu Island, Taiwan. 5 pp. Japanese Journal of systematic Entomology (N.S.) 2(2): 117-121.

 Oshiro Y., 1998: A new species of the genus Aphonoides Chopard (Orthoptera, Gryllidae) from the Yaeyama Islands, The Ryukyus, southwestern Japan. 5 pp. Japanese Journal of systematic Entomology (N.S.) 4(1): 179-183.

 Oshiro Y., 1998: Description of a new species of the genus Ornebius Guerin (Orthoptera, Gryllidae) from the Ryukyus, southwestern Japan. 5 pp. Japanese Journal of systematic Entomology (N.S.) 4(1): 185-189.

 Oshiro Y., 1999: A new species of the genus Patiscus Stal (Orthoptera, Gryllidae) from the Yaeyama Islands, the Ryukyus, outhwestern Japan. 5 pp. Japanese Journal of systematic Entomology (N.S.) 5(2): 267-271.

 Oshiro Y., Ichikawa A., 1997: Description of a new species of the genus Taiwanemobius Yang et Chang (Orthoptera, Gryllidae, Nemobiinae) from the Ryukyu Islands, southern Japan. 4 pp. Japanese Journal of systematic Entomology (N.S.) 3(2): 277-280.

 O’Farrell A. F., Stock A., Rae C. A., Morgan J. A., 1960: Regeneration and development in the cockroach Blattella germacica. 8 pp. [ORT 427] Acta Societatis entomologicae Cechosloveniae 57: 317-324.

 Panov A. A., 1964: Neirosekretornye kletki brjušnych gangliev prjamokrylych (Insecta, Orthoptera). 12 pp. 

 Panov A. A., 1966: Sootnošenija ontočenetičeskogo ravitija centralnoj nervnoj sistemy domovogo sverčka Gryllus domesticus L. i obyknovennoj medvedki Gryllotalpa gryllotalpa L. (Orthoptera, Grylloidea). 15 pp. 

 Paoli G., 1934: Nota sui generi Spalacomimus Karsch e Bradyopisthius Karsch (Orthopt. Phasgonur.). 13 pp. 

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 Pavlíček T., Vivanti S., Fishelson L., Nevo E., 2002: Biodiversity and microsite divergence of insects at “Evolution Canyon”, Nahal Oren, Mt. Carmel, Israel. II. Orthoptera: Acrididae. 15 pp. 

 Pedroni G., Buzzetti F. M., 2013: Il popolamento a Orthoptera e mantodea de parco regionale del corno alle scale (Appennino Tosco-Emiliano): Dati bibliografici e nuove segnalazioni di elementi boreo-orofili (Insecta). 15 pp. Bollettino della Societa Entomologica Italiana 145(1): 33-47.

 Petersen G., Gaedike H., 1970: Katalog der in den Sammlungen des Deutschen Entomologischen Institutes aufbewahrten Typen – II. Dermaptera, Mantodea, Blattariae, Isoptera, Phasmida, Saltatoria. 28 pp. [70960] Beiträge zur Entomologie 20(1-2): 145-172.

 Peveling R., 2000: Impact of locust control on non-target arthropods-environmental monitoring, risk assessment and risk management. 6 pp. (in German). Mitt. Dtsch. Ges. Allg. Agnew. Ent. 12: 149-154.

 Phasmid Studies. Volume 7, number 1. 36 pp.Sellick J. T. C., Brock P. D., Berni S., Lee M., 1998: Five papers on phasmids. (in English). Phasmid Studies 7(1): 1-36.

 Pickford R., 1960: Survival, fecundity, and population growth of Melanoplus bilituratus (Wlk.) (Orthoptera: Acrididae) in relation to date of hatching. 10 pp. 

 Pinhey E., 1965: Check list of the short horned grasshoppers of Syringa Farm, turk mine, Southern Rhodesia. 20 pp. 

 Piulachs M. D., 1988: Acción gonadotrófica de la hormona juvenil en hembras de Blattella germanica Alatectomizadas o Sometidas a ayuno prolongado. 4 pp. 

 Popham E. J., Sakai S., 1996: Dermapteran centres of evolution. 20 pp. 

 Popov A. V., 1972: Zvukovye signaly sverčkov (Orthoptera, Gryllidae) južnych rajonov evropejskoj časti SSSR. 20 pp. 

 Popov A. V., Shuvalov V. F., Knjazev A. N., Clar-Spasovskaja N. A., 1974: Kommunikacionnye zvukovye signaly sverčkovych (Orthoptera, Gryllidae) Jugo-Zapadnogo Tadžikistana. 22 pp. 

 Popov G. A., 1964: O faune sarančovych (Acridoidea) Jugo-Vostočnogo Zabajkalja. 8 pp. 

 Pratt H. D., 1988: Annotated checklist of the cockroaches (Dictyoptera) of North America. 4 pp. Annals of the Entomological Society of America 81(6): 882-885.

 Pravdin F. N., 1953: K biologii nekotorykh maloizvestnykh kuznetshikov (Orthoptera, Tettigonoidea) v gorakh Karatau. 4 pp. (in Russian). Entomologitsheskoe obozrenie 33: 80-83.

 Pravdin F. N., 1964: Zakonomernosti vertikalnogo raspredelenija ortopteroidnych nasekomych (Orthopteroidea) v adriatičeskoj časti Balkanskogo poluostrova. 10 pp. 

 Pravdin F. N., 1987: Relict grasshoppers (Orthoptera, Tettigonioidea) of Middle Asia and their probable origin. 11 pp. (in Russian). Entomologitsheskoe obozrenie 66(3): 544-554.

 Pravdin F. N., 1987: Reliktovye kuznečiki (Orthoptera, Tettigonioidea) Srednej Azii i ich verojatnoe proischoždenie. 11 pp. 

 Princis K., 1934: Die Gimmerthal’sche Orthopterensammlung in der naturwissenschaftlichen Abteilung des Dommuseums zu Riga. 3 pp. 

 Princis K., 1955: Blattariae. Pp. 15-42. In: Contributions a l’étude de la faune entomologique du Ruanda-Urundi. Mission P. Basilewsky 1953. Deuxieme partie. XLIX. 28 pp. Ann. Mus. Congo, Tervuren, Zool. 40: 15-42.

 Princis K., 1965: Blattariae. Mission zoologique de l’I.R.S.A.C. en Afrique orientale (P. Basilewsky et N. Leleup, 1957). 89. 11 pp. 

 Princis K., 1967: Blattariae. Beiträge zur Kenntnis der Fauna Afghanistans. 6 pp. 

 Princis K., 1968: Beiträge zur Kenntnis der Fauna Afghanistans. Blattariae (Nachtrag). Sammelergebnisse von O. Jakeš 1963-64, D. Povolný 1965, D. Povolný a Fr. Tenora 1966, J. Šimek 1965-66, D. Povolný, J. Gaisler, Z. Šebek a Fr. Tenora 1967. 4 pp. [ORT 453] Acta Musei Moraviae, Sci. biol. 53(suppl.): 287-290.