著者

村井 貞彰

出版者

山形大学

雑誌

山形大学紀要. 農学 = Bulletin of the Yamagata University. Agricultural science (ISSN:05134676)

巻号頁・発行日

vol.2, no.3, pp.169-178, 1957-02-25

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Introduction: The author carried on further investigations on the ecological differences of adults of both species,but on the diumal activity,the period of the appearance,etc.,as is recorded in the primary report,no remarkable differences were seen.As to the distribution area, except Shonai district,Yamagata Pref.,where both the species occur together, the only area newly known is the neighbourhood of the city of Takada, Niigata Pref.,where Scelio muraii alone occurs. In the present paper, the results of the ecological studies of adults of both species are shown. A special study was made on the emergence of adults, the seasonal prevalence,the rate of appearance and the sex ratio. The investigations have been done from 1953 to 1956. Before going further, the author wishes to express his sincere thanks to Prof.Dr. Noboru ABE for the kind guidance given to the author during the course of the present study, and to Dr. Chihisa WATANABE of Hokkaido University,Dr. Tei Ishii of Tokyo University of Agriculture and Technology, and Mr. Shizuo KATO of National Institute of Agricultural Sciences for the kindness given to the author in naming the species and the literature.