Yasumatsu, K. 1935. Further notes on the hymenopterous fauna of the Yaeyama Group. Annotationes Zoologicae Japonenses 15:33-45. PDF

Notes: Ants pp. 34, 36.

Yasumatsu, K. 1940a. Contributions to the hymenopterous fauna of Inner Mongolia and North China. Transactions of the Sapporo Natural History Society 16:90-95. PDF

Notes: Ants p. 91.

Yasumatsu, K. 1940b. Some ants from Sanko Province in Manchuria. [In Japanese.]. Mushi 13:42. PDF

Yasumatsu, K. 1940c. Matériaux pour servir à la faune myrmécologique des îles de Yaeyama. Mushi 13:67-70. PDF

Yasumatsu, K. 1940d. Beiträge zur Kenntnis der Ameisenfauna Mikronesiens. I. Die Ameisengattung Anochetus Mayr der Karolinen. Annotationes Zoologicae Japonenses 19:312-315. PDF

Yasumatsu, K. 1940e. Ants from Kyusyu. [In Japanese.]. Kyodo Shizen 5:1-5.

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

Yasumatsu, K. 1941a. On the ants of the genus Dolichoderus of Angaran element from the Far East (Hymenoptera, Formicidae). [In Japanese.]. Kontyû 14:177-183. PDF

Yasumatsu, K. 1941b. Camponotus vagus yessoensis in Mt. Hikosan, Kyusyu. [In Japanese.]. Mushi 13:96. PDF

Yasumatsu, K. 1941c. Ants collected by Mr. H. Takahasi in Hingan (Hsingan) North Province, North Manchuria (Hymenoptera, Formicidae). [In Japanese.]. Transactions of the Natural History Society of Formosa 31:182-185. PDF

Yasumatsu, K. 1941d. Some ants from the Linshoten Islands. [In Japanese.]. Kontyû 15:22-23. PDF

Yasumatsu, K. 1941e. On the new habitat of Tapinoma indicum in Japan. [In Japanese.]. Mushi 14:11. PDF

Yasumatsu, K. 1941f. On the new habitat of Formica exsecta fukaii. [In Japanese.]. Mushi 14:14. PDF

Yasumatsu, K. 1942. On the vertical distributions of ants on Mt. Hikosan, Kyushu. [In Japanese.]. Mushi 14:102. PDF

Yasumatsu, K. 1950. Discovery of an ant of the genus Lordomyrma Emery in eastern Asia (Hym.). Insecta Matsumurana 17:73-79. PDF

Brown, W. L., Jr.; Yasumatsu, K. 1951. On the publication date of Polyhomoa itoi Azuma (Hymenoptera, Formicidae). Mushi 22:93-95. PDF

Yasumatsu, K.; Brown, W. L., Jr. 1951. Revisional notes on Camponotus herculeanus Linné and close relatives in Palearctic regions (Hymenoptera: Formicidae). Journal of the Faculty of Agriculture, Kyushu University 10:29-44. PDF

Yasumatsu, K.; Brown, W. L., Jr. 1957. A second look at the ants of the Camponotus herculeanus group in eastern Asia. Journal of the Faculty of Agriculture, Kyushu University 11:45-51. PDF

Yasumatsu, K. 1960. The occurrence of the subfamily Leptanillinae in Japan (Hymenoptera, Formicidae). Esakia 1:17-20. PDF

Yasumatsu, K.; Murakami, Y. 1960. A revision of the genus Stenamma of Japan (Hymenoptera, Formicidae, Myrmicinae). Esakia 1:27-31. PDF

Yasumatsu, K. 1962. Notes on synonymies of five ants widely spread in the Orient (Hym.: Formicidae). Mushi 36:93-97. PDF

Yasumatsu, K.; Hirashima, Y. 1965. Aculeate Hymenoptera collected by Lepidopterological Society of Japan expedition to Formosa in 1961. Special Bulletin of [the] Lepidopterological Society of Japan 1:175-177.

Notes: Ants p. 175.