油松毛虫成虫迁飞特性的研究（Ⅱ）──实验种群迁飞的模拟试验

Study on the Flight Activity of Dendrolimus tabulae formis Adults(Ⅱ)

利用昆虫飞行数据微机采集分析系统研究油松毛虫成虫飞翔能力，模拟测试结果的分析表明：油松毛虫成虫具有一定的飞翔能力，但雌雄蛾飞翔能力差异很大，雄蛾的飞翔能力及可飞翔的日龄均高于雌蛾；不同龄期成虫的飞翔能力亦不同，其中１～３日龄为最适飞行阶段。基于上述分析结果，用逐步回归等数学方法，建立了反映油松毛虫成虫飞翔能力的数学模型。

The flight activity of Dendrolimus tabulaeformis adults is monitored by using com-puter flight mill.The simulated test of the insect flying ability shows the following:there is agreat difference in flying ability between the female and the male moth;the ability of the male issuperior to the female’s,the flight ability of 1～3.day-old is the;trongest.The experimentproves that the Dendrolimus tabulaeformis adults possess certain flight ability,Based on these re-sults,using stepwise regression and other methods,a mathmatical medel of migration of Den-drofimus tabulaefimis adults is put forward.