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栗红蚧(Kermes nawae kuwana)又名板栗大球蚧,在我县板栗产区发生较为普遍,严重时对栗树生长、结实影响极大。野板栗和锥栗受害很少。为控制板栗这一主要枝梢害虫,我们从1994~1997年对该虫的生物学特性进行了调查、室内饲养和林间观察,并做了防治试验。 1 危害情况栗红蚧在我县主要危害板栗,以若虫和雌成虫刺吸树液,4~5月上旬雌成虫危害最盛。
Kermes nawae kuwana, also known as the giant chestnut chestnut scales, occurred in my county chestnut producing areas are more common, severe chestnut growth, strong impact. Wild chestnut and chestnut chestnut little damage. In order to control the main branch insect pests such as chestnut, we investigated the biological characteristics of the insect from 1994 to 1997, kept it in the house and observed in the forest, and made the control experiment. 1 Hazard Chestnut red scales in my county the main hazards of chestnut, nymphs and female adults thorn tree sap liquid, 4 May early May adult hardest hit.