| 1. Ohashi, K. and T. Yahara (1998) Effects of variation in flower number on pollinator visits in Cirsium purpuratum (Asteraceae). American Journal of Botany 85(2): 219-224. |
| 2. Ohashi, K. and T. Yahara (1999) How long to stay on, and how often to visit a flowering plant? - a model for foraging strategy when floral displays vary in size. Oikos 86(2): 386-392. |
| 3. Ohashi, K. (1999) Flower number - relationship between floral display size and pollinator foraging behavior. In: (edited by SSSB) New Perspectives in Floral Ecology, Bun-ichi Sogo Shuppan Co., Tokyo, pp. 97-123. (in Japanese) |
| 4. Ohashi, K. and T. Yahara (2000) Effects of flower production and pre-dispersal seed predation on reproduction in Cirsium purpuratum. Canadian Journal of Botany 78(2): 230-236. |
| 5. Ohashi, K. and T. Yahara (2001) Behavioral responses of pollinators to variation in floral display size and their influences on the evolution of floral traits. In: (Chittka, L. and J. D. Thomson eds.) Cognitive Ecology of Pollination, Cambridge University Press, pp. 274-296. |
| 6. Ohashi, K. and T. Yahara (2002) Visit larger displays but probe proportionally fewer flowers: counterintuitive behaviour of nectar-collecting bumble bees achieves an ideal free distribution. Functional Ecology 16(4): 492-503. |
| 7. Ohashi, K. (2002) Consequences of floral complexity for bumble-bee-mediated geitonogamous self pollination in Salvia nipponica Miq. (Labiatae). Evolution56(12): 2414-2423. |
| 8. Ohashi, K. and J. D. Thomson (2005) Efficient harvesting of renewing resources. Behavioral Ecology 16(3): 592-605. |
| 9. Saleh, N ., K. Ohashi, J. D. Thomson, and L. Chittka (2006) Facultative use of repellent scent mark in foraging bumblebees: complex vs. simple flowers. Animal Behaviour 71(4): 847-854. |
| 10. Kawaguchi, G. L., K. Ohashi, Y. Toquenaga (2006) Do bumble bees save time when choosing novel flowers by following conspecifics? Functional Ecology 20(2): 239-244. |
| 11. Ohashi, K., J. D. Thomson, and D. D'Souza (2007) Trapline foraging by bumble bees: IV. Optimization of route geometry in the absense of competitors. Behavioral Ecology. 18(1): 1-11. |
| 12. Makino, T. T., K. Ohashi, S. Sakai (2007) How do floral display size and the density of surrounding flowers influence the likelihood of bumble-bee revisitation to a plant? Functional Ecology 21(1): 87-95. |
| 13. Yoshioka, Y., K. Ohashi, A. Konuma, H. Iwata, R. Ohsawa, and S. Ninomiya (2007) Ability of bumblebees to discriminate differences in the shape of artificial flowers of Primula sieboldii (Primulaceae). Annals of Botany 99(6): 1175-1182. |
| 14. Kawaguchi, L. G., K. Ohashi, and Y. Toquenaga (2007) Contrasting responses of bumble bees to feeding conspecifics on their familiar and unfamiliar flowers. Proceedings of the Royal Society B. 274(1626): 2661-2667. Note: This paper has been selected for Faculty of 1000 Biology and evaluated by Thomas S. Collett. |
| 15. Ohashi, K., A. Leslie, and J. D. Thomson (2008) Trapline foraging by bumble bees: V. Effects of experience and priority on competitive performance. Behavioral Ecology 19(5): 936-948. |
| 16. Ohashi, K. and J. D. Thomson (2009) Trapline foraging by pollinators: its ontogeny, economics and possible consequences for plants. Annals of Botany 103(9): 1365-1378. |
| 17. Ohashi, K. (2009) Consequences of plant-pollinator conflicts for floral evolution: can plants manipulate insect behavior? 60(3): 132-141. (in Japanese) |
| 18. Ohashi, K., D. D'Souza, and J. D. Thomson (2010) An automated system for tracking and identifying individual nectar foragers at multiple feeders. Behavioral Ecology and Sociobiology (online first). |