从常用防治蚧虫的农药中,选择杀螟松、对硫磷、乐果、马拉松、柴油乳剂、石硫合剂、洗衣粉7种药剂,对沙棘上新发现的害虫胡颓子轮盾蚧成虫和2龄若虫分别进行了室内和林地药效对比试验。试验结果表明:以柴油乳剂药效最高,对成、若虫的室内死亡率为100%,林地为78.6%—90%。石硫合剂、乐果、马拉松对2龄雄若虫林地分别为85%、65%和60%。 From the commonly used pesticides for the control of scale insects, fenitrothion, parathion, dimethoate, marathon, diesel emulsion, lime sulfur mixture, detergent 7 kinds of agents, newly discovered pests on the seabuckthorn Elaeagnus rotundus adults And 2 instar nymphs were conducted indoor and woodland comparative efficacy test. The experimental results show that the diesel emulsion has the highest efficacy and the indoor mortality rate of nymphs is 100%. The woodland is 78.6% -90%. Limestone, dimethoate and marathon were 85%, 65% and 60% of the second-instar nymphs respectively.