当动物靠近诱饵时，就会触动托盘，带动笼门落下，把动物困在笼内，又不对它造成伤害。
When the animal reached for the bait, the tray would be tripped, and the doors would fall down, trapping the animal unharmed inside the box.
结论：以腐鱼为诱饵的诱蝇笼诱蝇效果好于糖醋诱饵，建议在蝇密度监测时采用混合诱饵。
Conclusion: the efficacy of catching flies by fly trap with canker fish as baits was better than with brown sugar-vinegar. We suggest that mixed bait be adopted in the surveillance of fly population.
方法 采用捕蝇笼糖醋诱饵诱捕法。
Methods Cage traps with sugar and vinegar baits were used to capture flies.
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