1994～1996年,在马来西亚试验了聚合外激素对油棕害虫三疣独角仙的生物防治效应,并作经济评估。外激素大量捕杀三疣独角仙的最佳密度为1个捕杀器/2hm~2,这种方法可有效地将害虫危害减少到较低程度。与化学防治法(喷杀螨威)相比较,该捕杀法的成本降低了31%,劳力需求也减少了 From 1994 to 1996, the bio-control effect of polymerized pheromones on the unicorns of three oil wilt pests was tested in Malaysia and the economic evaluation was conducted. Pseudostellax horns to kill a large number of extra-hormones the best density of a catcher / 2hm ~ 2, this method can effectively reduce the harmful effects of pests to a lesser extent. Compared with the chemical control method (spray-killing mites), the cost of the kill method was reduced by 31% and labor requirements were also reduced