摘要
对小果垂枝柏大痣小蜂的主要生物学特性进行观察研究,结果表明:小果垂枝柏大痣小蜂在云南省曲靖地区1 a发生1代,以幼虫越冬,翌年4月中旬开始化蛹;6月中旬开始羽化,6月下旬为羽化盛期;成虫产卵于当年生幼嫩小球果种子内,卵于6月中旬开始孵化;幼虫在种子内取食约10个月并随种子同步发育,一生仅取食1粒种子,无转移危害习性。成虫在上午6∶00—9∶00和下午12∶00—15∶00羽化最多,雌雄性比为0.9∶1,雌虫平均寿命为7.1 d,雄虫平均寿命为5.2 d。
The biology characteristics of Megastigmus sp.were mainly reported in this paper.The results showed Megastigmus sp.had one generation per year in Qujing Area of Yunnan Province,overed winters as larvae,and pupated in middle April.The adults emerged time was in middle June,and reached the eclosion peak period was in late June,and the adults layed their eggs in young cones in current year.The larvae hatched in middle June,the larvae grew with cones and took food for 1 seed in life for 10 months,and pupated again. The peak emergence time of the day was 6∶00～9∶00 and 12∶00～15∶00.The adult sex ratio of female to male was 0.9∶1,the average longevity of female adults was 7.1d,and the average longevity of male adults was 5.2 d.
出处
《福建林业科技》
2009年第4期64-66,97,共4页
Journal of Fujian Forestry Science and Technology
基金
昆明市科学技术局基金项目(03H44129号)资助
关键词
小果垂枝柏大痣小蜂
形态特征
生活史
生活习性
Megastigmus sp.
configuration character
life history
life characteristic.
