摘要
松瘿小卷蛾LaspeyresiazebeanaRatzeburg为害落叶松Larixspp .枝梢 ,在黑龙江省庆安林区两年发生 1代 ,历经 3个年度。当年和第 2年 9～ 10月初分别以幼龄幼虫和老龄幼虫两次越冬 ,第 3个年度 5月初化蛹 ,5月下旬开始羽化 ,5月末至 6月初产卵 ,6月中。
Laspeyresia zebeana attacks branch tips of Larix spp.It has one generation two years in Qingan forest area and overwinters twice as young larva and mature larva in the year and next September.It pupates in the beginning of the third May,emerges the last ten days of May,lays eggs from the end of May to the beginning of June and hatches in the mid and last ten days of June.
出处
《中国森林病虫》
北大核心
2002年第2期30-31,共2页
Forest Pest and Disease
