益必添(Esbiothrin简称EBT),是一种最优化的丙烯菊酯异构体比例组合的产品,具有极强的触杀和薰杀性;对雄性小白鼠的LD_(50)为263mg/kg。近年来,国内广泛用于蚊、蝇、蜚蠊等害虫的防制并收到理想效果,但用于毒杀跳蚤尚乏报道。本文就EBT对方形黄鼠蚤速杀及特效进行了室内实验,为现场防制提供了参考依据。 Esbiothrin (EBT), an optimized combination of allethrin isomers, has very high contact and lethality; LD 50 for male mice is 263 mg / kg. In recent years, the domestic widely used in mosquitoes, flies, cockroaches and other pests control and receive the desired effect, but for the poisoning fleas still lack of coverage. In this paper, EBT on the square-shaped rat flea speed kill and special effects of laboratory experiments conducted for the field control provides a reference.