A predatory bird; a predatory mammal; a predatory insect.
食肉性鸟类；肉食性哺乳动物；食肉昆虫。
Any of various often brightly colored, predatory insects having a long slender body and elongated wings that fold together when the insect is at rest.
豆娘一种颜色鲜艳的食肉昆虫，身体细长，歇息时伸长叠在一起的翅膀。
Most of them are phytophagous insects and important pests in agriculture and forest; others are predatory insects and are insect enemy and potential resources for biocontrol.
大多数螽蟖为植食性种类，是重要的农林害虫，部分类群为捕食性种类，是重要的昆虫天敌和生物防治的潜在资源。
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