目的测试1%呋虫胺饵剂对德国小蠊的杀虫药效。方法利用方箱装置进行1%呋虫胺饵剂室内药效试验,同时测试该饵剂模拟现场药效,连续观察至投饵后第12d。结果 1%呋虫胺饵剂对德国小蠊室内药效半数致死中时(LT50)为0.86d,校正死亡率为97.34%,对德国小蠊模拟现场试验LT_(50)为1.48d,死亡率为96.52%。结论 1%呋虫胺饵剂对德国小蠊具有触杀和胃毒活性,是良好的卫生杀虫剂。 Objective To test the insecticidal efficacy of 1% dinotefuran bait on German cockroach. Methods The indoor efficacy test of 1% dinotefuran bait was carried out by using a square box device. Simultaneously, the efficacy of the bait was simulated and observed on the 12th day after feeding. Results The indoor efficacy of 1% DF was 0.86d, corrected mortality was 97.34%, LT_ (50) was 1.48 days in simulated field test to German cockroach, mortality was 96.52%. Conclusions 1% dinotefuran bait has contact and stomach toxicity to German cockroach, which is a good sanitation insecticide.