Chiharu KOSHIO
Assistant Professor
koshionaruto-u.ac.jp
Japanese Version

Areas of Interest Ethology, Entomology Research Interests Mating behavior and mating strategies in some diurnal moths, such as zygaenid moths. Current Research Sexual selection in the white tailed zygaenid moth Elcysma westwoodii. Female multiple mating in the plum moths Illiberis rotundata. Mate guarding behavior in the gypsy moths Lymantria dispar. Education and Degrees B.S., Biology, Kyoto University, 1987 M.S., Zoology, Kyoto University, 1989 Ph.D., Zoology, Kyoto University, 1993 Thesis: "Comparative studies on reproductive strategies of two diurnal moths." Zygaena niphona Selected Bibliography Koshio, C. and Hidaka, T. 1995 Reproductive behaviour of the white-tailed zygaenid moth, Elcysma westwoodii (Lepidoptera, Zygaenidae) I. Mating sequence. Journal of Ethology 13: 159-163 Koshio, C. 1996 Reproductive behaviour of the white-tailed zygaenid moth, Elcysma westwoodii (Lepidoptera, Zygaenidae) II. Female mating strategy. Journal of Ethology 14: 21-25 Koshio, C. 1996 Pre-ovipositional behaviour of the female gypsy moth, Lymantria dispar L. (Lepidoptera, Lymantriidae). Applied Entomology and Zoology 31: 1-10 Koshio, C. 1997 Mating strategies and variable mate guarding behavior of gypsy moth, Lymantria dispar L., Males (Lepidoptera, Lymantriidae). Applied Entomology and Zoology 32: 273-281 Otsuka, K. and Koshio, C. 1999 Proportion of mated females, female mating experience, and sex ratio of the osmund sawfly, Strongylogaster osmundae (Hymenoptera, Tenthredinidae). Oecologia 120: 44-49 Koshio, C., Tanaka, Y. and Kudo, S.  2002 The collapsed eggs found in the bursa copulatrix of a plum moth, Illiberis rotundata Jordan (Zygaenidae: Procridinae): An unusual egg resorption system? Journal of the Lepidopterists' Society 56: 62-65 Tanaka, Y. and Koshio, C. 2002 Activity pattern and reproductive behavior of the plum moth Illiberis rotundata Jordan (Lepidoptera: Zygaenidae: Procridinae). Japanese Journal of Entomology (New Series) 5: 70-80  (in Japanese with English abstract) Koshio, C., Tomishima, M., Shimizu, K., Kim, H.-S., and Takenaka, O. 2002 Microsatellites in the gypsy moth, Lymantria dispar L. (Lepidoptera: Lymantriidae). Applied Entomology and Zoology 37: 309-312 Koshio, C. 2003 Mating behaviour and activity patterns of the Japanese burnet moth Zygaena niphona Butler, 1877 (Lepidoptera: Zygaenidae, Zygaeninae). In "Proceedings of the 7th International Symposium on Zygaenidae" (K. A. Efetov, W. G. Tremewan & G. M. Tarmann eds.), Crimean State Medical University Press, Simferopol, pp. 85-98. Koshio, C., Muraji, M., Tatsuta, H. and Kudo, S. 2007 Sexual selection in a moth: effect of symmetry on male mating success in the wild. Behavioral Ecology 18: 571-578 Koshio, C., Ishii, M., Fujii, H., Kurachi, T., Takami, Y., Hidaka, T. 2008 Long-term changes in distribution of two Artogeia butterflies in big cities of Japan I. Case study in Tokyo Transaction of the Lepidopterological Society of Japan 59: 1-17  (in Japanese with English abstract) Satomi, D., Koshio, C., Tatsuta, H. Kudo, S. and Takami Y. 2019 Latitudinal variation and coevolutionary diversification of sexually dimorphic traits in the false blister beetle Oedemera sexualis. Ecology and Evolution 9: 4949-4957 Dep. of Biology