辽宁省为害柞树的刺蛾及其防治

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一、前言刺蛾类(Eucleid)是果树和林业害虫,喜食柞树,并且种类多、分布广、为害重,大发生时甚至将柞树叶食光,严重影响柞蚕生产。如1974年盖县刺蛾大发生,一墩3年生柞树上有100~300头刺蛾,几个公社的柞蚕场柞树叶被食光,致使柞蚕饥饿而死,造成很大损失;1977~1978年,盖县、营口县等部分柞蚕区刺蛾又大发生,使柞蚕减产。此外,刺蛾类有许多种生有枝刺,常常螫伤蚕民,影响养蚕作业和健康。 I. INTRODUCTION Eucleids are fruit and forestry pests who like to eat oak trees. They have a wide variety of species and are widely distributed and seriously damaging. Eucleids even eat oak leaves in the event of major occurrences and seriously affect the production of tussah. Such as the Gap County, Giant moth occurred in 1974, a piers 3-year-old oak tree has 100 to 300 head moths, several communes Tussah field oak leaves were light, resulting in starvation hung tujiao, resulting in great losses; 1977 ~ 1978 Years, Gaixian, Yingkou County and other parts of tussah turtles occurred again, so that tussah cut. In addition, there are many species of thorn moths born with sticks, often wiping the silkworm, affecting sericulture operations and health.
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