Hashimoto, Y. 1990. Unique features of sensilla on the antennae of Formicidae (Hymenoptera). Applied Entomology and Zoology 25:491-501. PDF

Hashimoto, Y. 1991a. Phylogenetic study of the family Formicidae based on the sensillum structures on the antennae and labial palpi (Hymenoptera, Aculeata). Japanese Journal of Entomology 59:125-140. PDF

Hashimoto, Y. 1991b. Phylogenetic implications of the spur structures of the hind tibia in the Formicidae (Hymenoptera). Japanese Journal of Entomology 59:289-294. PDF

Hashimoto, Y. 1992. The phylogeny of the Formicidae and its relationship to other Aculeata. [Abstract.]. P. 52 in: XIX International Congress of Entomology 1992. Living with insects. Proceedings XIX International Congress of Entomology. Abstracts. Beijing, China, June 28 - July 4, 1992. Beijing: China Cultural Center, xi. + 730 pp.

Hashimoto, Y. 1995. Unique habits of stomodeal trophallaxis in the ponerine ant Hypoponera sp. Insectarium 32(6):16-22.

Hashimoto, Y.; Yamauchi, K.; Hasegawa, E. 1995. Unique habits of stomodeal trophallaxis in the ponerine ant Hypoponera sp. Insectes Sociaux 42:137-144.

Hashimoto, Y. 1996. Skeletomuscular modifications associated with the formation of an additional petiole on the anterior abdominal segments in aculeate Hymenoptera. Japanese Journal of Entomology 64:340-356. PDF

Terayama, M.; Hashimoto, Y. 1996. Taxonomic studies on the Japanese Formicidae, part 1. Introduction to this series and descriptions of four new species of the genera Hypoponera, Formica and Acropyga. Nature & Human Activities 1:1-8. PDF

Hashimoto, Y. 1997. Phylogenetic systematics of Formicidae based on morphological characters. [In Japanese.]. Nature and Insects (Konchu to Shizen) 32(10):17-21.

Hashimoto, Y.; Yamane, S.; Itioka, T. 1997. A preliminary study on dietary habits of ants in a Bornean rain forest. Japanese Journal of Entomology 65:688-695.

Hashimoto, Y.; Yamane, S. 1998. Army ants and ant collectors. 1. In quest of Asian army ants (Aenictinae). Insectarium 35(4):4-8.

Yamane, S.; Hashimoto, Y. 1998. Army ants and ant collectors. 2. Inventory and reference collections of ants in Asia. Insectarium 35(5):16-22.

Yamane, S.; Hashimoto, Y. 1999. A remarkable new species of the army ant genus Aenictus (Hymenoptera, Formicidae) with a polymorphic worker caste. Tropics 8:427-432.

Hashimoto, Y.; Yamane, S.; Mohamed, M. 2001. How to design an inventory method for ground-level ants in tropical forests. Nature & Human Activities 6:25-30.

Widodo, E. S.; Mohamed, M.; Hashimoto, Y. 2001. Canopy ant diversity assessment in the fragmented rainforest of Sabah, East Malaysia. Nature & Human Activities 6:13-23.

Hashimoto, Y.; Rahman, H. (eds.) 2003. Inventory and collection. Total protocol for understanding of biodiversity. Kota Kinabalu: Research and Education Component, BBEC Programme (Universiti Malaysia Sabah), 310 pp.

Hashimoto, Y. 2003. Identification guide to the ant genera of Borneo. Pp. 89-162 in: Hashimoto, Y.; Rahman, H. (eds.) 2003. Inventory and collection. Total protocol for understanding of biodiversity. Kota Kinabalu: Research and Education Component, BBEC Programme (Universiti Malaysia Sabah), 310 pp. PDF

Eguchi, K.; Hashimoto, Y.; Malsch, A. K. F. 2006. Pheidole schoedli sp.n. (Hymenoptera: Formicidae), a subterranean species found from North Borneo. Myrmecologische Nachrichten 8:31-34. PDF

Hashimoto, Y.; Mohamed, M. 2011. Ground-dwelling ant diversity in Maliau Basin, Borneo: evaluation of hand-sorting methods to estimate ant diversity. Tropics 19:85-92. PDF

Jaitrong, W.; Hashimoto, Y. 2012. Revision of the Aenictus minutulus species group (Hymenoptera: Formicidae: Aenictinae) from Southeast Asia. Zootaxa 3426:29-44. PDF

Hashimoto, Y.; Yamane, S. 2014. Comparison of foraging habits between four sympatric army ant species of the genus Aenictus in Sarawak, Borneo. Asian Myrmecology 6:95-104. PDF