• April 2012－September 2016: Doctor of Science,  Graduate School of Engineering and Science, University of the Ryukyus (otaki lab）
• April 2010－March 2012: Master of Science,  Graduate School of Engineering and Science, University of the Ryukyus (otaki lab)
• April 2006－March 2010: Bachelor of Science, Faculty of Science, University of the Ryukyus (otaki lab: 2008-2010)

• April 2017－March 2020: JSPS Research Fellow (PD), Tokyo University of Agriculture (Host Researcher: Prof. Tarô Adati in Laboratory of Tropical Plant Protection, Tokyo, Japan)
• October 2016－March 2017: JSPS Research Fellow (PD), University of The Ryukyus (Otaki lab, Okinawa, Japan)
• April 2015－September 2016 : JSPS Research Fellow (DC2), University of The Ryukyus (Otaki lab, Okinawa, Japan)

(Abbreviations: JSPS, Japan Society for the Promotion of Science; DC , Doctoral Course Students; PD, Postdoctoral Fellow)

◆International Journal (Refereed)

(Note: My name was underlined and highlighted in red)

1. Iwata M., Otaki J.M. Insights into eyespot color-pattern formation mechanisms from color gradients, boundary scales, and rudimentary eyespots in butterfly wings. Journal of Insect Physiology, Elsevier, vol. ●●, pp. ●●-●●, ●● 2019 (in press). (DOI: ●●)
2. Iwata M., Tsutsumi M., Otaki J.M. Developmental dynamics of butterfly wings: real-time in vivo whole-wing imaging of twelve butterfly species. Scientific Reports, Nature, vol. 8, article number 16848 (number of pages: 16), 15 November 2018 (published online). (DOI: 10.1038/s41598-018-34990-8)
3. Iwata M., Matsumoto-Oda A., Otaki J.M. Rearing the African grass blue butterfly Zizeeria knysna: toward the establishment of a bioindicator in African countries. African Study Monographs, The Center for African Area Studies, Kyoto University, vol. 39, issue 2, pp. 69-81, Jun 2018. (DOI: 10.14989/231404) (Departmental Bulletin Paper)
4. Hiyama A., Taira W., Iwasaki M., Sakauchi K.,  Iwata M.,  Otaki J.M. Morphological abnormality rate of the pale grass blue butterfly Zizeeria maha (Lepidoptera: Lycaenidae) in southwestern Japan: a reference data set for environmental monitoring. Journal of Asia-Pacific Entomology, Elsevier, vol. 20, issue 4, pp. 1333-1339, Dec  2017. (DOI: 10.1016/j.aspen.2017.09.016)
5. Kazama M., Ichinei M., Endo S., Iwata M., Hino A., Otaki J.M. Species-dependent microarchitectural traits of iridescent scales in the triad taxa of Ornithoptera birdwing butterflies. Entomological Science, Wiley-Blackwell, vol. 20, issue 1,  pp. 255-269, 23 March 2017. (DOI: 10.1111/ens.12256)
6. Iwata M., Otaki J.M. Focusing on butterfly eyespot focus: uncoupling of white spots from eyespot bodies in nymphalid butterflies. SpringerPlus, Springer, vol. 5, issue 1,  article number 1287 (number of pages: 14), 8 Aug 2016. (DOI: 10.1186/s40064-016-2969-8)
7. Gurung R.D., Iwata M., Hiyama A., Taira W., Degan B., Degan S., Otaki J.M. Comparative morphological analysis of the immature stages of the grass blue butterfly Zizeeria and Zizina (Lepidoptera: Lycaenidae). Zoological Science, Zoological Society of Japan, vol. 33, issue 4, pp. 384-400, Aug 2016. (DOI: 10.2108/zs150171)
8. Iwata M., Otaki J.M. Spatial patterns of correlated scale size and scale color in relation to color pattern elements in butterfly wings. Journal of Insect Physiology, Elsevier, vol. 85, pp. 32-45, Feb 2016.(DOI: 10.1016/j.jinsphys.2015.11.013)
9. Iwata M., Taira W., Hiyama A., Otaki J.M. The lycaenid central symmetry system: color pattern analysis of the pale grass blue butterfly Zizeeria maha. Zoological Science, Zoological Society of Japan, vol. 32, issue 3,  pp. 233-239, June 2015. (DOI: 10.2108/zs140249)
10. Hiyama A., Taira W., Nohara C., Iwasaki M., Kinjo S., Iwata M., Otaki J.M. Spatiotemporal abnormality dynamics of the pale grass blue butterfly: three years of monitoring (2011-2013) after the Fukushima nuclear accident. BMC Evolutionary Biology, BioMed Central, vol. 15, article number 15 (number of pages: 16), 10 Feb 2015. (DOI: 10.1186/s12862-015-0297-1)
11. Iwata M., Ohno Y., Otaki J.M. Real-time in vivo imaging of butterfly wing development: revealing the cellular dynamics of the pupal wing tissue. PLoS ONE, Public Library of Science, vol. 9, issue 2, article number e89500  (number of pages: 15), 21 Feb 2014. (DOI: 10.1371/journal.pone.0089500)
12. Hiyama A., Nohara C., Taira W., Kinjo S., Iwata M., Otaki J.M. The Fukushima nuclear accident and the pale grass blue butterfly: evaluating biological effects of long-term low-dose exposures. BMC Evolutionary Biology, BioMed Central, vol. 13, article number 168 (number of pages: 25), 12 Aug 2013. (DOI: 10.1186/1471-2148-13-168)
13. Iwata M., Hiyama A., Otaki J.M. System-dependent regulations of colour-pattern development: a mutagenesis study of the pale grass blue butterfly. Scientific Reports, Nature, vol. 3, article number 2379 (number of pages: 11), 06 Aug 2013. (DOI: 10.1038/srep02379)
14. Hiyama A., Iwata M., Otaki J.M. Rearing the pale grass blue Zizeeria maha (Lepidoptera, Lycaenidae): toward the establishment of a lycaenid model system for butterfly physiology and genetics. Entomological Science, Wiley-Blackwell, vol. 13, issue 3, pp. 293-302, 26 Sept 2010 . (DOI: 10.1111/j.1479-8298.2010.00387.x)
15. Otaki J.M., Hiyama A., Iwata M., Kudo T. Phenotypic plasticity in the range-margin population of the lycaenid butterfly Zizeeria maha. BMC Evolutionary Biology, BioMed Central, vol. 10, article number 252 (number of pages: 13), 19 Aug 2010. (DOI: 10.1186/1471-2148-10-252 )

(Note:  The title of  books with＊ was written in Kunrei-shiki romanization by me)

1. Iwata M. Nihon to ahurika no yamatosizimi (Chapter 6). In: Tatsuki S., Sato H., Adati T. (eds.) Ahurikakontyugaku—Seibututayôsei to Esunosaiensu, Kaiyusya, Tokyo, March 2019, pp. 89-101.＊
2. Sekimura T., Haruhiko F., Joji M. (Editorial Supervision)『Tyô no  hanmontayôsei to sinka−sôgôteki apurôti−』Kaiyusya, Tokyo, Nov 2017 (in Japanese). (Japanese Translation of Chapter 1 and 5 in this book by Otaki J., Iwata M.) [Original：Sekimura T., Nijhout H.F (eds.). Diversity and Evolution of Butterfly Wing Patterns. Springer, Singapore, September 2017]＊

◆Domestic Conference (Non-Refereed)

 (Note: My name was underlined and highlighted in red. A circle was put in front of a presenter.  For the sake of convenience, the titles of Domestic Conferences with ＊ translated from Japanese to English by me based on the original  titles)

1. ○Iwata M., Hiyama A., Otaki J. Establishment and application of an artificial rearing system for Zizeeria maha. Annual Meeting Program 2018-The Butterfly Society of Japan, Tokyo prefecture, Japan, Dec 2018. （Oral Presentation in Japanese）
2. ○Yuki H., Iwata M., Adati T. Growth comparison of 2 lycaenid species reared  on Fabaceae: toward the investigation of evolvability of diet preferences in Chilades pandava. Kantô kontyûgaku kenkyûkai dai2kai taikai (written in Kunrei-shiki romanization),  1, Tokyo prefecture, Japan, Dec 2018. （Oral Presentation in Japanese） ＊
3. ○Iwata M., Otaki J. Long-term  in vivo observation method in pupal wing tissues. Annual Meeting Program 2017-The Butterfly Society of Japan, Tokyo prefecture, Japan, Dec 2017. （Oral Presentation in Japanese）
4. ○Iwata M., Hiyama A., Otaki J. Evolutionary color and pattern change in Zizeeria maha (Lepidoptera, Lycaenidae) by environmental change. Kantô kontyûgaku kenkyûkai dai1kai taikai (written in Kunrei-shiki romanization),  10, Tokyo prefecture, Japan, Nov 2017. （Oral Presentation in Japanese） ＊
5. ○Iwata M., Hiyama A., Tsuhako M., Otaki J. Evolutionary color and pattern change in Zizeeria maha (Lepidoptera, Lycaenidae) by environmental change. Annual Meeting Program 2016-The Butterfly Society of Japan, A01, Tokyo prefecture, Japan, Dec 2016. （Oral Presentation in Japanese）
6. ○Iwata M., Otaki J. Spatial patterns of scale size in relation to color pattern elements in butterfly wings. The 76th Annual Meeting of the Entomological Society of Japan (Joint meeting of the 76th ESJ and 60th AEZ), L402, Osaka prefecture, Japan, Mar 2016（Oral Presentation in English）
7. ○Iwata M., Hiyama A., Matsumoto A., Otaki J. Evolution and origin of the pale grass blue butterfly Zizeeria maha. The 22nd Annual Meeting of Japan-ICIPE Association, Osaka prefecture, Japan, Mar 2016.（Oral Presentation in Japanese (Invited speaker)）＊
8. ○Hiyama A., Iwata M., Otaki J. Distribution survey in 2015 of Zizeeria karsandra, Z. maha and Zizina otis on Minamidaitojima in the Daito Islands (2015). Annual Meeting Program 2015-The Butterfly Society of Japan,  A06, Tokyo prefecture, Japan, Dec 2015. （Oral Presentation in Japanese）
9. ○Iwata M., Otaki J. Butterfly scale size distribution patterns in relation with wing color patterns. Annual Meeting Program 2015-The Butterfly Society of Japan, A04, Tokyo prefecture, Japan, Dec 2015 （Oral Presentation in Japanese）
10. ○Iwata M., Hiyama A., Otaki J. Mutagenesis experiments of Zizeeria maha (Lepidoptera, Lycaenidae). The 86th Annual Meeting of Zoological Society of Japan, 1I0900, Niigata prefecture, Japan, Sep 2015.（Oral Presentation in Japanese）
11. ○Iwata M., Otaki J. Real-time in vivo imaging of butterfly wing development. The 52nd Annual Meeting of the Biological Society of Okinawa. O-10, Okinawa prefecture, Japan, May 2015.（Oral Presentation in Japanese）＊
12. Iwaata M., Ohno Y., ○Otaki J. Real-time in vivo imaging of butterfly wing development. The 85th Annual Meeting of Zoological Society of Japan, 3C1445, Miyagi prefecture, Japan, Sep 2014.（Oral Presentation in Japanese）
13. ○Matsumoto A., Iwata M., Bidner L., Isbell L. Sleeping-site changes by the predation pressure in the wild anubis baboons. The 30th Annual Congress of Primate Society of Japan, A20, Osaka prefecture, Japan, July 2014.（Oral Presentation in Japanese）
14. ○Hiyama A., Taira W., Iwata M., Iwasaki M., Nohara C., Otaki J. On the mechanism of appearance of unique color-pattern modification types found in the northern limit populations of the pale grass blue butterfly Zizeeria maha. The 67th Meeting of the Kyushu Branch of the Zoological Society of Japan (Joint meeting), P33, Okinawa prefecture, Japan, May 2014.（Poster Presentation in Japanese）＊
15. Hiyama A., ○Iwata M., Otaki J. Climate warming and phenotypic plasticity of butterfly wing color-pattern. FY 2008 result presentation of the 21st Century COE Program of University of the Ryukyus “Comprehensive analyses on biodiversity in coral reef and islands ecosystems”, PG-1, Okinawa prefecture, Japan, Mar 2009.（Poster Presentation in Japanese）

◆International Conference (Non-refereed)

(Note: My name was underlined and highlighted in red. A circle was put in front of a presenter)

1. ○Iwata M., Otaki J. Spatial patterns of scale size in relation to color pattern elements: a possible contribution of polyploidization to pattern determination in butterfly wings . The 22nd International Congress of Zoology, 129, Okinawa, Japan, Nov 2016.（Poster Presentation in English or Japanese）
2.  ○Otaki J., Hiyama A., Taira W., Nohara C., Iwasaki M., Kinjo S., Iwata M. The pale grass blue butterfly in Fukushima. Radiation Monitoring and Conservation of Wildlife after Fukushima, Hokkaido prefecture, Japan, July 2015.（Oral Presentation in English）