摘要
油杉吉松叶蜂在云南江川地区1年发生3代,以预蛹在茧壳内越冬;第一代幼虫为害较重。一至三代幼虫为害盛期分别是5月中旬至6月底,8月中旬至9月中旬,11月中旬至12月上旬。成虫活动的最适温度是24℃左右。幼虫受翠绿巨胸小峰的寄生率为42%。
Gilpinia dispa Smith has three generations in Jiangchuan County, Yunnan Province and overwinters as prepupae in cocoons.In three generations, the larvae for the first peneration damaged more seriosly the fortune keteleeria.The damaged peak period of larvae for three generations are from middle May of to the end of June, from the middle of August to the middle of September and from the middle of November to the beginning of December, respectively. The most suitable temperature for the living of adults is about 24℃.Parasitization of a natural enemy, Perilampus prasinus Nikol to the larvae of Gilpina disa Smith is 42%.
出处
《昆虫知识》
CSCD
1996年第4期218-221,共4页
Entomological Knowledge