島根大学論集. 自然科学

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島根大学論集. 自然科学 10
1961-03-20 発行

松江市近郊におけるショウジョウバエの季節的消長

Note on the Seasonal Activity of Drosophila observed in the Rakuzan Park, Matsue City
Wakahama, Ken-Ichi
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Description
The seasonal activity of Drosophila flies was observed in the Rakuzan Park, Matsue in three successive years (1957-1959). The results of the observations showed three types : type-1 of Spring-type, type-2 of Autumn-type and type-3 of bimodal type. Comparing the present data with the previous observations in Sapporo done by the author and those in Anjyo by Nozawa, there are no species that presented a type common throughout the three localities referred to in the present study.