島根農科大学研究報告

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島根農科大学研究報告 8
1960-03-31 発行

山陰地方における針葉樹の害虫の生理・生態に関する研究(I-1) : マツバノタマバエの分布と被害

Physiological and Ecological Studies on the Insects Injurious of Coniferous Trees in San'in District(I-1) : The Geographical Distribution of the Pine Leaf Gall Midge, Cecidomyia brachyntera SCHWAGE?, and the Damage of Pines Caused by it
三浦 正
ファイル
内容記述(抄録等)
In this paper, the writer summarizes the results of his investigations on the distribution of the pine leaf gall midge, Cecidomyia brachyntera SCHWAGE?, in Japan and particularly in the San'in distnct, and the damage of pines caused by it in Oki Islands, Shimane prefecture.
1) This species is found in various parts of Japan, as shown in Fig.1 and Table 1.
2) The species distributes itself over Shimane prefecture, as for the rest of the Sanin district, it is recorded at Yonago city and Sakaeminato city in Tottori prefecture and Hagi city in Yamaguchi prefecture (see Fig. 2).
3) Thearea damaged by this midge extend s widely over pine forests in Oki Island (see Table 2).