目的:观察4种苍蝇毒饵的灭蝇效果。方法:在0.343m~3的测试柜内观察苍蝇的LT_(50)及24h死亡率。结果:蝇蟑宁和韩1号毒饵的半数死时间最短,分别为1.10和1.79h,24h死亡率最高分别为98.43％和91.41％,两者差异无显著性。结论:蝇蟑宁毒饵灭效最好,具有推广应用价值。 Objective: To observe the flies-killing effect of four kinds of flies bait. Methods: The flies LT_ (50) and 24h mortality were observed in the 0.343m ~ 3 test cabinet. Results: The results showed that the half-dead time of the bait cockroach and Han-1 baits were the shortest, 1.10 and 1.79 h, respectively, the highest 24 h mortality rates were 98.43% and 91.41% respectively. There was no significant difference between the two groups. Conclusion: The flies cockroach poison bait best effect, with the promotion and application value.