14:00 〜 14:15 [5-2-03] Detection of recent temporal change in genetic diversity and structure for a population of endangered butterfly, Luehdorfia japonica *Shouhei Ueda1, Chiaki Nakasuji2, Naoyuki Nakahama3, Tsuyoshi Takeuchi1, Norio Hirai1, Minoru Ishii1 (1. Osaka Metropolitan University (Japan), 2. Osaka Prefecture University (Japan), 3. University of Hyogo (Japan))