Palacio, E. E.; Fernández, F. 1995. Hormigas de Colombia V: nuevos registros. Tacaya 4:6-7.

Palenitschko, Z. G. 1927. Zur vergleichenden Variabilität der Arten und Kasten bei den Ameisen. Zeitschrift für Morphologie und Ökologie der Tiere 9:410-438.

Palma, R. L.; Lovis, P. M.; Tother, C. 1989. An annotated list of primary types of the phyla Arthropoda (except Crustacea) and Tardigrada held in the National Museum of New Zealand. National Museum of New Zealand Miscellaneous Series 20:1-49.

Notes: Formicidae p. 38.

Palomeque, T.; Chica, E.; Cano, M. A.; Díaz de la Guardia, R. 1988. Karyotypes, C-banding, and chromosomal location of active nucleolar organizing regions in Tapinoma (Hymenoptera, Formicidae). Genome 30:277-280.

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).