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目的研究右旋苯醚菊酯对蜱的防护效果。方法直接接触和现场实验。结果日本血蜱和波斯锐缘蜱接触被0.9%右旋苯醚菊酯处理的白布5 min,死亡率达100%,草原革蜱接触7 min,死亡率达100%,卵形硬皮和残缘璃眼蜱接触9 min,死亡率达100%。右旋苯醚菊酯处理的白布保存1个月,5种蜱接触1 min,24 h死亡率为100%;保存2个月,5种蜱接触1 min,波斯锐缘蜱24 h死亡率为100%,其他蜱的死亡率为73.3%~86.7%。着喷洒0.9%右旋苯醚菊酯杀虫剂的服装在蜱密度较高的草地连续行走3 h,身上未染蜱。结论右旋苯醚菊酯对蜱有很好的防护效果。
Objective To study the protective effect of T-Tetramethrin against ticks. Methods Direct contact and field experiments. Results Japanese blood and Persimmon ticks were exposed to 0.9% 4-phenoxybenzthiazide for 5 min, the mortality rate was 100%, and the mortality reached 100% after the contact of the grass ticks for 7 min, and the oval scleroderma and the residual Eyelash contact 9 min, the mortality rate of 100%. The white cloths treated with 4-hydroxyphenylthrin were stored for 1 month, 5 ticks were exposed for 1 min, and the mortality rate was 100% for 24 h. After 2 months of storage and 1 contact for 5 ticks, the 24 h mortality rate 100%, other ticks mortality was 73.3% ~ 86.7%. Garments sprayed with 0.9% Tert-butylphenothrin insecticide continued to walk for 3 h in the grass with higher tick density without ticks. Conclusion Tetrandrine has a good protective effect against ticks.