Yamauchi, K.; Ogata, K. 1995. Social structure and reproductive systems of tramp versus endemic ants (Hymenoptera: Formicidae) of the Ryukyu Islands. Pacific Science 49:55-68.

Ogata, K.; Murai, K.; Yamauchi, K.; Tsuji, K. 1996. Size differentiation of copulatory organs between winged and wingless reproductives in the ant Technomyrmex albipes. Naturwissenschaften 83:331-333.

Nakamura, N.; Ohsumi, N.; Onoyama, K.; Ogata, K.; Taylor, R. W. 1997. Myrmecia measurement data. Student 2:55-56.

Notes: Published in volume 2, number 1, in a section entitled "Data & Statistics".

Ogata, K.; Onoyama, K. 1998. A revision of the ant genus Smithistruma Brown of Japan, with descriptions of four new species (Hymenoptera: Formicidae). Entomological Science 1:277-287.

Ogata, K.; Onoyama, K.; Terayama, M.; Ugawa, Y.; Kihara, A.; Tsukii, Y.; Kondo, K.; Kubota, M.; Imai, H. T.; Taylor, R. W. 1998. Japanese ant color image database (1): an impact on taxonomic information. [Abstract.]. P. 350 in: Schwarz, M. P.; Hogendoorn, K. (eds.) 1998. Social insects at the turn of the millennium. Proceedings of the XIII International Congress of IUSSI. Adelaide, Australia. 29 December 1998 - 3 January 1999. Adelaide: XIII Congress of IUSSI, 535 pp.

Ugawa, Y.; Kihara, A.; Tsukii, Y.; Ogata, K.; Onoyama, K.; Terayama, M.; Kondo, K.; Kubota, M.; Imai, H. T.; Taylor, R. W. 1998. Japanese ant color image database (2): structure and functions. [Abstract.]. P. 482 in: Schwarz, M. P.; Hogendoorn, K. (eds.) 1998. Social insects at the turn of the millennium. Proceedings of the XIII International Congress of IUSSI. Adelaide, Australia. 29 December 1998 - 3 January 1999. Adelaide: XIII Congress of IUSSI, 535 pp.

Azuma, N.; Kikuchi, T.; Ogata, K.; Higashi, S. 2002. Molecular phylogeny among local populations of weaver ant Oecophylla smaragdina. Zoological Science (Tokyo) 19:1321-1328.

Kihara, A.; Onoyama, K.; Ogata, K.; Terayama, M.; Yoshimura, M.; Kondoh, M.; Tsukii, Y. 2002. The Japanese ant image database - structure and function. [Abstract.]. P. 91 in: Billen, J. P. J. 2002. XIV International Congress of IUSSI. The Golden Jubilee Proceedings. 27 July - 3 August 2002, Hokkaido University, Sapporo, Japan. Sapporo: XIV International Congress of IUSSI, 233 pp.

Ogata, K.; Okido, H. 2002. Taxonomy of the tribe Myrmecinini with special reference to the enigmatic genus Perissomyrmex. [Abstract.]. P. 157 in: Billen, J. P. J. 2002. XIV International Congress of IUSSI. The Golden Jubilee Proceedings. 27 July - 3 August 2002, Hokkaido University, Sapporo, Japan. Sapporo: XIV International Congress of IUSSI, 233 pp.

Yamane, S.; Bui, T. V.; Ogata, K.; Okido, H.; Eguchi, K. 2002. Ant fauna of Cuc Phuong National Park, North Vietnam (Hymenoptera: Formicidae). Bulletin of the Institute of Tropical Agriculture Kyushu University 25:51-62. PDF

Imai, H. T.; Kihara, A.; Kondoh, M.; Kubota, M.; Kuribayashi, S.; Ogata, K.; Onoyama, K.; Taylor, R. W.; Terayama, M.; Tsukii, Y.; Yoshimura, M.; Ugawa, Y. 2003. Ants of Japan. Tokyo: Gakken, 224 pp. PDF

Azuma, N.; Ogata, K.; Kikuchi, T.; Higashi, S. 2006. Phylogeography of Asian weaver ants, Oecophylla smaragdina. Ecological Research 21:126-136. PDF

Ogata, K.; Okido, H. 2007. Revision of the ant genus Perissomyrmex with notes on the phylogeny of the tribe Myrmecinini. Pp. 352-369 in: Snelling, R. R.; Fisher, B. L.; Ward, P. S. (eds.) 2007. Advances in ant systematics (Hymenoptera: Formicidae): homage to E.O. Wilson – 50 years of contributions. Memoirs of the American Entomological Institute 80:690 pp. PDF

Yoshimura, M.; Onoyama, K.; Ogata, K. 2007. The ants of the genus Odontomachus (Insecta: Hymenoptera: Formicidae) in Japan. Species Diversity 12:89-112. PDF

Sakchoowong, W.; Jaitrong, W.; Ogata, K.; Nomura, K. 2008. Diversity of soil-litter insects: Comparison of the pselaphine beetles (Coleoptera: Staphylinidae: Pselaphinae) and the ground ants (Hymenoptera: Fomicidae). Thai Journal of Agricultural Science 41(1-2):11-18.

Hosoishi, S.; Ogata, K. 2008. The ant genus Crematogaster Lund, subgenus Physocrema Forel, in the Indochinese Peninsula (Hymenoptera: Formicidae). Asian Myrmecology 2:1-10. PDF

Yoshimura, M.; Hosoishi, S.; Kuboki, Y.; Onoyama, K.; Ogata, K. 2009. New synonym and new Japanese record of the ant genus Ponera (Hymenoptera: Formicidae). Entomological Science 12:194-201. PDF

Hosoishi, S.; Ogata, K. 2009a. A taxonomic revision of the Asian endemic subgenus Physocrema of the genus Crematogaster (Hymenoptera: Formicidae). Zootaxa 2062:15-36. PDF

Hosoishi, S.; Ogata, K. 2009b. A checklist of the ant genus Crematogaster in Asia. Bulletin of the Institute of Tropical Agriculture Kyushu University 32:43-83. PDF

Hosoishi, S.; Ogata, K. 2010. On the identity of Crematogaster schimmeri Forel, 1912 and the distribution of subgenus Decacrema in Asia (Hymenoptera: Formicidae). Asian Myrmecology 3:1-3. PDF

Hosoishi, S.; Yamane, S.; Ogata, K. 2010. Subterranean species of the ant genus Crematogaster in Asia (Hymenoptera: Formicidae). Entomological Science 13:345-350. PDF

Hosoishi, S.; Yamane, S.; Ogata, K. 2011. An evaluation of infraspecific names in Crematogaster (Paracrema) modiglianii Emery, 1900 based on nest series (Hymenoptera: Formicidae). Myrmecological News 14:123-128. PDF

Hosoishi, S.; Ogata, K. 2012. Revision of the Crematogaster brevis complex in Asia (Hymenoptera: Formicidae). Zootaxa 3349:18-30. PDF

Hosoishi, S.; Ogata, K. 2014. Description and DNA barcoding of Crematogaster fraxatrix Forel, 1911 and two new closely related species from Cambodia and Indonesia (Hymenoptera, Formicidae). ZooKeys 374:57-68. PDF

Hosoishi, S.; Kanao, T.; Ogata, K. 2014. Rediscovery and DNA sequencing of Leptanilla tanakai Baroni Urbani (Hymenoptera: Formicidae) from Yakushima Island, Japan. Japanese Journal of Systematic Entomology 20:25-26. PDF

Notes: Leptanilla tanakai

Hosoishi, S.; Ogata, K. 2015a. Review of the Crematogaster popohana-group with the description of a new species from the Indochinese Peninsula (Hymenoptera: Formicidae). Asian Myrmecology 7:11-18. PDF

Hosoishi, S.; Ogata, K. 2015b. Taxonomy and DNA sequencing of Crematogaster coriaria Mayr, 1872 (Hymenoptera: Formicidae), with redescriptions of the worker, queen and male castes. Psyche 2015 Article ID 541351:8 pp. 10.1155/2015/541351 PDF

Hosoishi, S.; Ogata, K. 2016a. Systematics and biogeography of the ant genus Crematogaster Lund subgenus Orthocrema Santschi in Asia (Hymenoptera: Formicidae). Zoological Journal of the Linnean Society 176:547-606. 10.1111/zoj.12330 PDF

Hosoishi, S.; Ogata, K. 2016b. Discovery of a new Crematogaster species with 10-segmented antennae from the Indochina region, with description of the species and its phylogenetic position (Hymenoptera: Formicidae). Annals of the Entomological Society of America 109 (5):805-811. 10.1093/aesa/saw047 PDF

Hosoishi, S.; Ogata, K. 2017. Phylogenetic analysis and systematic position of two new species of the ant genus Crematogaster (Hymenoptera, Formicidae) from Southeast Asia. European Journal of Taxonomy 370:1-17. 10.5852/ejt.2017.370 PDF