“beetle”的意思、由来-百科全书

beetle

any of more than 350,000 species of insects, making it the largest order in the animal kingdom. Beetles are principally characterized by their special forewings, which are modified into hardened wing covers (elytra) that cover a second pair of functional wings. The order includes some of the largest and smallest insects and is the most widely distributed insect order. Most feed either upon other animals or upon plants, but some eat decaying matter.

Some beetles are of great economic importance. Both adults and larvae may destroy crops, timber, and textiles and spread parasitic worms and diseases. Other beetles are valuable because they prey on insect pests. Although the name beetle applies to all coleopterans, some are known by other common names such as weevil, borer, firefly, chafer, and curculio. See coleopteran for a detailed description of this important insect order.

词条	beetle
释义	beetle any of more than 350,000 species of insects, making it the largest order in the animal kingdom. Beetles are principally characterized by their special forewings, which are modified into hardened wing covers (elytra) that cover a second pair of functional wings. The order includes some of the largest and smallest insects and is the most widely distributed insect order. Most feed either upon other animals or upon plants, but some eat decaying matter. Some beetles are of great economic importance. Both adults and larvae may destroy crops, timber, and textiles and spread parasitic worms and diseases. Other beetles are valuable because they prey on insect pests. Although the name beetle applies to all coleopterans, some are known by other common names such as weevil, borer, firefly, chafer, and curculio. See coleopteran for a detailed description of this important insect order.
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