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油松毛虫(Dendrolimus tabulaeformis Tsai et Liu)遍布陕西南北林区,近年来在秦岭(宁陕)、乔山(黄陵)、黄龙山(黄龙县的北寺山、官庄、石堡、瓦子街;宜川县的石台寺、袁家山;韩城县的雷寺庄、西寺山)等林区曾先后发生,造成损失极大;为了了解油松毛虫在陕西的发生情况,作者于1962-1964年,以黄龙山林区北寺山为基点,进行了初步观察,今将观察结果报导如下,希同志们指正。
In recent years, Dendrolimus tabulaeformis Tsai et Liu has been widely distributed in the north and south forest areas of Shaanxi Province. In recent years, Dendrolimus tabulaeformis Tsai et Liu has been widely distributed in the Qinling (Ningshan), Qiaoshan (Huangling), Huanglongshan (Huangsi Mountain, Guanzhuang, ; Shitai Temple in Yichuan County, Yuan Jiashan; Leisi Zhuang and West Temple Mountain in Hancheng County) and other forest areas have occurred in succession, resulting in great losses; in order to understand the occurrence of Dendrolimus punctatus in Shaanxi Province, the author in 1962-1964 In the year, based on the Beisu Mountain in Huanglongshan forest area, preliminary observations were made. The results of the observation are reported as follows, and Comrade Xi is correct.