Daisuke Hayasaka, Kenshin Kato, Masayoshi K. Hiraiwa, Hiro Kasai, Kazutaka Osaki, Retsushi Aoki, Takuo Sawahata. Undesirable dispersal via a river pathway of a single Argentine ant supercolony newly invading an inland urban area of Japan. Scientific Reports. 2023. 13. 1
HIRO KASAI, TAKUO SAWAHATA. Four new saproxylic species of Paranura Axelson, 1902 (Collembola: Neanuridae: Neanurinae) from Japan. Zootaxa. 2023. 5339. 6. 501-519
Kasai Hiro, Osaki Kazutaka, Sawahata Takuo. A new species of Deutonura (Collembola: Neanuridae: Neanurinae) from Wakayama, western Japan. Edaphologia. 2023. 113. 107-113