褐雨燕：燕科的各种捕食昆虫的黑色小鸟，与蜂鸟有亲缘关系，因其长而强劲的翅膀和快速飞行而著称。
Any of various small, dark, insect-eating birds of the family Apodidae, related to the hummingbirds and noted for their long, strong wings and swift flight.
褐背小萤叶甲是烟田蓼科杂草的重要天敌，对蓼科杂草具有良好的自然控制作用。
Galerucella grisescens is an important natural enemy which could significantly control Polygonaceae weeds in tobacco fields.
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