Spider beetle

Spider beetles are the approximately 500 species of beetles in the subfamily Ptininae of the family Anobiidae. They are sometimes considered a family in their own right, which is then called Ptinidae. Spider beetles have round bodies with long, slender legs, and lack wings. They are generally 1–5 mm long. Both the larvae and the adults are scavengers. They reproduce at the rate of two to three generations per year.

单词	Spider beetle
释义	Spider beetle 原声例句科学60秒听力 2015年8月合集 To find out, researchers hit the compost heap, and they collected some 600 slugs and 400 centipedes, spiders, beetles, flies and locusts. 为了一探究竟，研究人员扒开了肥料堆，收集到大约600只鼻涕虫，400只蜈蚣、蜘蛛、甲虫、苍蝇及蝗虫。英语百科 Spider beetle Spider beetles are the approximately 500 species of beetles in the subfamily Ptininae of the family Anobiidae. They are sometimes considered a family in their own right, which is then called Ptinidae. Spider beetles have round bodies with long, slender legs, and lack wings. They are generally 1–5 mm long. Both the larvae and the adults are scavengers. They reproduce at the rate of two to three generations per year.
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