花绒寄甲防治松墨天牛林间试验初报

Discussion On The Test Of Using Dastarcus Helophoroides To Prevent Monochamus Alternatus In Forest

通过花绒寄甲防治松墨天牛林间试验,得出了松墨天牛在新干县被寄生死亡率64.6%,花绒寄甲生物防治效果明显。实验还说明,花绒寄甲寄生老龄幼虫。而且花绒寄甲是一种自然分布的生物天敌,可以在自然界繁殖,释放后随着时间推进,其种群量不断增加,活动范围亦不断扩大,对松褐天牛的寄生概率也会大大增加。因此,用花绒寄甲防治松墨天牛可以起到事半功倍的效果。

Based on the test of using dastarcus helophoroides to prevent monochamus alternatus in forest, it concludes that the mortality parasitization of monochamus alternatus is 64. 6% and the prevention efficiency of the dastarcus helophoroides is significant. The test also shows that dastarcus helophoroides parasitizes on the aged larva. Dastarcus helophoroides is the natural enemy microorganism which is naturally distributed and makes reproduction for larger groups and range of motion with the time delay and the parasitism possibility of the monochamus ahernatus get larger. So it is useful to use dastarcus helophoroides to prevent Monochamus alternatus.