Research theme for competitive and other funds (4)：
2021 - 2024 Investigation on "meiofauna paradox" with using echinoderid kinorhynchs
2019 - 2023 近縁な寄主植物への隠蔽的な局所適応が植食性昆虫の種分化を促す効果の検証
2019 - 2021 Test of the "cascade reinforcement" and character displacement on multiple characters of seashore flightless weevils
2016 - 2018 Experimental reproduction of ecological speciation caused by inter-specific hybridization and elucidation of its genetic mechanism
Papers (7)：
Matsubayashi Kei W., Kahono Sih, Hartini Sri, Katakura Haruo. Extremely divergent host plant acceptance with gene flow between sympatric host races of the phytophagous ladybird beetle Henosepilachna diekei. Entomological Science. 2019. 22. 4. 404-412
N. Wachi, K.W. Matsubayashi, K. Maeto. Application of next-generation sequencing to the study of non-model insects. Entomological Science. 2018. 21. 1. 3-11
Kei Matsubayashi, Tetsuo I. Kohyama, Norio Kobayashi, Satoko Yamasaki, Masakazu Kuwajima, Haruo Katakura. Genetic divergence with ongoing gene flow is maintained by the use of different hosts in phytophagous ladybird beetles genus Henosepilachna. Journal of Evolutionary Biology. 2017
Kei Matsubayashi, Sih Kahono, Sri Hartini, Naoyuki Fujiyama, Haruo Katakura. Redescription of the phytophagous ladybird beetle Henosepilachna diekei and descriptions of the related species from Indonesia. Insecta Matsumurana. 2016. 72. 1-16
Hiromu Suga, Wataru Hirano, Toru Katoh, Kei Matsubayashi, Haruo Katakura. Introgression and habitat segregation in a pair of ladybird beetle species in the genus Propylea (Coccinellidae, Coccinellinae) in Northern Japan. Zoological Science. 2016. 33. 6. 603-610
