Palomeque, T.; Chica, E.; Cano, M. A.; Díaz de la Guardia, R. 1990. Development of silver stained structures during spermatogenesis in different genera of Formicidae. Genetica 81:51-58.

Ogata, K. 1994b. The Oriental chaos: current state and prospect of ant taxonomy in the Oriental region. [Abstract.] [In Japanese.]. Ari 18:36-37.

Ogata, K. 1994c. Ant fauna of the Nansei Islands, Japan. [Abstract.] [In Japanese.]. Ari 18:39.

Ogata, K.; Hirashima, Y.; Miura, T.; Maeta, Y.; Yano, K.; Ko, J.-H. 1985. Ants collected in pine forests infested by the pine needle gall midge in Korea (Hymenoptera, Formicidae). Esakia 23:159-163.

Ogata, K.; Touyama, Y.; Choi, B.-M. 1994. Ant fauna of Hiroshima Prefecture, Japan. [In Japanese.]. Ari 18:18-25.

Ohta, Y. 1940. Two species of ants from South China. [In Japanese.]. Insect World 44:332-335. PDF

Ohta, Y. 1931a. The check-list of ants from Gifu Prefecture, 1. [In Japanese.]. Insect World 35:85-89.

Ohta, Y. 1931b. The check-list of ants from Gifu Prefecture, 2. [In Japanese.]. Insect World 35:115-120.

Ohta, Y. 1935a. A list of Japanese ants. [In Japanese.] [part]. Insect World 39:286-289. PDF

Ohta, Y. 1936a. A list of Japanese ants. [In Japanese.] [part]. Insect World 40:166-169. PDF

Ohta, Y. 1936b. A list of Japanese ants. [In Japanese.] [concl.]. Insect World 40:426-433. PDF

Ohta, Y. 1938a. Five species of ants from Kinkasan, Gifu. [part] [In Japanese.]. Insect World 42:125-129. PDF

Ohta, Y. 1938b. Five species of ants from Kinkasan, Gifu. [concl.] [In Japanese.]. Insect World 42:186-188. PDF

Okamoto, H. 1952. Ants from Shikoku, Japan (1). [In Japanese.]. Gensei 1:9-12.

Okamoto, H. 1953. Ants from Shikoku, Japan (2). [In Japanese.]. Gensei 2:39-43.

Okamoto, H. 1954. Ants from Shikoku, Japan (3). [In Japanese.]. Gensei 3:43-49.

Okamoto, H. 1957. Ants from Shikoku, Japan (4). [In Japanese.]. Gensei 5(2):39-43.

Okamoto, H. 1966. Ants from Shikoku, Japan (5). [In Japanese.]. Gensei 16:5-8.

Okamoto, H. 1969. Ants from Shikoku, Japan (6). [In Japanese.]. Gensei 19:5-10.

Okamoto, H. 1972a. Ants from Shikoku, Japan (7). [In Japanese.]. Gensei 23:11-14.

Okamoto, H. 1972b. The occurrence of Triglyphothrix striatidens (Emery) in Kyushu. [In Japanese.]. Gensei 23:14.

Okano, K. 1945. On the ants of Enoshima Is., Kanagawa Prefecture on the late spring. [In Japanese.]. Kontyû Kenkyu 2(4):19-20.

Notes: Not seen. Cited in Okano (1989) and Onoyama & Terayama (1994).

Okano, K. 1946. Some taxonomical notes on the group "Camponotus itoi". [In Japanese.]. Kagaku (Tokyo) 16:187-188.

Notes: Not seen. Cited in Okano (1989) and Onoyama & Terayama (1994).

Okano, K. 1948. Delle note sulle formiche giapponesi. Kontyû Kagaku 5:91-93.

Notes: Not seen. Cited in Okano (1989) and Onoyama & Terayama (1994).

Okano, K. 1989. The list of works concerning Formicidae (Hymenoptera) and it's related papers made by the Japanese during the years 1900-1949. Entomo Shirogane 2:1-15.

Okano, K. 1947a. Some discussions on the classification of ants. [in Japanese.]. Igaku Seibutsugaku 11:164-167. PDF

Notes: Not seen. Cited in Okano (1989) and Onoyama & Terayama (1994).

Okano, K. 1947b. On the ant "suzukikuroyamaari" described by Mr. Teranishi. [In Japanese.]. Igaku Seibutsugaku 11:167-169. PDF

Notes: Not seen. Cited in Okano (1989) and Onoyama & Terayama (1994).

Oldham, N. J.; Morgan, E. D.; Gobin, B.; Billen, J. P. J. 1994. First identification of a trail pheromone of an army ant (Aenictus species). Experientia (Basel) 50:763-765. PDF

Oldham, N. J.; Morgan, E. D.; Gobin, B.; Schoeters, E.; Billen, J. P. J. 1994. Volatile secretions of Old World army ant Aenictus rotundatus and chemotaxonomic implications of army ant Dufour gland chemistry. Journal of Chemical Ecology 20:3297-3305.

Oldham, N. J.; Morgan, E. D.; Hölldobler, B. 1994. The recruitment pheromones of Aphaenogaster (=Novomessor) cockerelli and A. (=Novomessor) albisetosus, two closely related myrmicine ants. P. 486 in: Lenoir, A.; Arnold, G.; Lepage, M. (eds.) 1994. Les insectes sociaux. 12ème congrès de l'Union Internationale pour l'Étude des Insectes Sociaux. Paris, Sorbonne, 21-27 août 1994. Paris: Université Paris Nord, xxiv + 583 pp.