Abstract: Objective To investigate the efficiency and practicability of bow-shaped clamps in field control of Spermophilus undulatus, and to provide a reference basis for deratization in future. Methods With the large-size clips as a control, bow-shaped clamps and the trap-day method were used to capture S. undulatus in Guertu plague surveillance sites in Wusu county of Xinjiang Uygur Autonomous Region from May to July, 2018. The χ² test and t test were used to compare the capture rate and installation efficiency of different methods. Results The azimuth angle of bow-shaped clamps was one time larger than that of the large-size clips. The mean capture rate of bow-shaped clamps was higher than that of the large-size clips (P=0.000), and the installation efficiency of bow-shaped clamps was two times than that of the large-size clips. Conclusion Bow-shaped clamps have the features of large azimuth angle, strong anti-escape function, simple installation, and no need for baits. Therefore, they can be used to control S. undulatus.

Key words: Bow-shaped clamp, Spermophilus undulatus, Rat capture efficiency

摘要： 目的 了解和评价弓形夹现场捕获长尾黄鼠的效果和实用性，为今后灭鼠工作提供参考依据。方法 2018年5－7月在新疆维吾尔自治区乌苏市古尔图鼠疫监测点以大号板夹为对照，使用弓形夹采用夹日法进行长尾黄鼠捕获试验，χ²检验比较不同方法的捕鼠率，t检验用于布设工效比较。结果 弓形夹现场捕获长尾黄鼠时方位角比大号板夹增大l倍，平均捕鼠率高于大号板夹（χ²=54.130，P=0.000），布夹工效是板夹的1.87倍。结论 弓形夹具有捕鼠方位角广、防脱逃功能强和布放简单等优点，适宜在长尾黄鼠防治工作中大面积推广使用。

关键词: 弓形夹, 长尾黄鼠, 捕鼠效果