【摘要】 生物防治是森林保护发展的重要方向之一。利用寄生蜂防治农林业害虫是切实可行的办法。通过对蜂种的体长、千蜂质量、雌雄比、成蜂在不饲喂情况下的死亡率、发育历期等方面的比较,对白蛾周氏啮小蜂进行蜂种选育研究,结果表明:大连市的蜂种综合表现优于沈阳市、抚顺市和营口市的蜂种;在试验中还发现了繁蜂温度、柞蚕蛹质量对繁蜂成功的影响很大。更多还原

【Abstract】 Biological control is an important direction of development for forest protection.Prevention and treatment of pests is feasible in agriculture and forestry.Through comparison on body length,the quality of one thousand bees,sex ratio,situation of bee mortality without feeding of the bee species,development duration of Chouioia cunea were studied.Selection of bee species on Chouioia cunea were conducted.Result shows that overall performance of bee species in Dalian City is optimal than that in Shenyang City,Fushun City & Yingkou City;it is found that temperature for breeding bee,the quality of tussah pupa have the great effect.更多还原