萧氏松茎象的防治试验

Control Tests on the Pine Weevil Hylobitelus xiaoi

萧氏松茎象(Hylobitelus xiaoi Zhang)是危害松科(Pinaceae)植物的主要钻蛀性林业有害生物。对萧氏松茎象受害林分进行注射法、包扎法、涂干法、诱捕法和人工捕杀法防治试验。结果表明:包扎法的效果较好(72.2%),涂干法可以使松树受害率减少40%,1只诱捕器1年可以引诱成虫10头,人工捕杀可以使松树受害率降低87.5%,因此人工捕杀是当前最有效的防治措施。

The pine weevil Hylobitelus xiaoi is an important forest insect pest living on the plants of Pinaeeae. Control tests including injec- tion, banding, daubing, trapping, and manual catching methods were carried out on the weevil. The results show that, trunk banding is a bes- ter method （ control effect 85.7% ） , the control result of trunk injection method is 66.6% , the trunk daubing method can reduce 40% of the damage rate, a trap device can attract 10 adults of the weevil per year, and manual catching is the best method which can reduce 87.5% of the damage rate.