predacious shining black or metallic terrestrial beetle that destroys many injurious insects 同义词：carabid beetle,
例句与用法
1.
Even at less than 10mm , this “ small ” ground beetle larva is a huge and powerful predator to the tiny springtail in its jaws 这种“小”步行虫的幼虫虽然体长不足10毫米，可对于被它擒在颚中的微小的弹尾虫来说，却是雄伟有力的掠食者。
2.
Ladybird propylaeajaponica & harmonia axyridis , ground beetle pseudoophonus griseus and ant lion chrysopidae were dominant natural enemies migrating with insect pests 龟纹瓢虫propylaeajaponica &异色瓢虫harmoniaaxyridis ,步甲pseudoophonusgriseus和草蛉是伴随害虫迁飞的主要天敌。
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