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该文对落叶松球果花蝇种团Strobilomyiaspp .的危害特点、延长滞育及不同经营条件下种子园内的发生情况及以前获得的一些未报道的数据进行了补充。调查发现 ,球果产量高时 ,受花蝇危害率较低 ,第 2年花蝇的延长滞育率则高 ;球果产量低时 ,受花蝇危害率较高 ,第 2年花蝇的延长滞育率则低。并对球果花蝇目前的各种防治措施进行了探讨
This article supplemented the hazard characteristics of Strobilomyiaspp., Prolonged diapause and occurrence in seed orchards under different operating conditions and some previously unreported data. The survey found that the high yield of cones was lower in the rate of harm of flower flies, and the prolonged diapause rate of flower flies was higher in the second year. When the output of cones was low, the rate of flower flies was higher. In the second year, Diapause rate is low. At the same time, various prevention and cure measures of flower flies were discussed