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球蚜指落叶松球蚜红杉亚种、蜀云杉松球蚜、冷杉迹球蚜三种是我省高山林区红杉、四川红杉、云杉、冷杉、铁杉等人工更新幼林的主要害虫.据宝兴、石棉、沪定、康定、大金、理县、黑水等县调查,落叶松球蚜发生面积占凋查红杉、四川红杉总面积的80%,危害普遍、严重,林木受害以后,年高生长量下降率达19—26%,严重影响林木生长.为寻求防治球蚜的有效方法,适应我省高山林区“山高坡陡、水源奇缺、人烟稀少”的特点,探索球蚜“综合防治”途径,自1978年至1979年,在宝兴柳落沟林区进行了高山林区
Gloeosporium aphids that larch ball aphids sequoia subsp., Spruce pine aphid, fir aphid ball three kinds of highland forest in our province redwood, Sichuan redwood, spruce, fir, hemlock and other artificial regeneration of young forest According to the survey of Baoxing, asbestos, Shanghai Dingding, Kangding, Daijin, Li County and Heishui counties, the occurrence area of larch aphid accounts for 80% of the total area of Sequoia witchesii and Sichuan sequoia, Serious, trees suffer, the annual growth rate of 19-26% decline, seriously affecting the growth of trees.In order to seek effective methods to control the ball aphid, to adapt to the high mountain forest area in our province, “steep mountains, water shortage, sparsely populated” Characteristics, to explore the ball aphid “comprehensive prevention and cure” approach, from 1978 to 1979, in Baoxing Liushugou forest areas were high mountain forest