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这是某报刊登的一张蝉蜕变过程的照片,题为《金蝉破蛹》。可是,蝉有蛹吗?回答这个问题,还得先了解一下“完全变态”和“不完全变态”两个昆虫类别。“完全变态”指昆虫的个体发育过程,经过卵、幼虫、蛹、成虫四个时期。蝶、蛾等,就属于完全变态昆虫。而“不完全变态”指昆虫的个体发育过程,只经过卵、幼虫和成虫三个时期。常见的不完全变态昆虫有蝗虫、蟋蟀等。
This is a newspaper published a photo of cicada transformation process, entitled “Golden cicada broken pupae.” However, the cicada pupa it? Answer this question, you have to find out the “completely abnormal” and “not perfect metamorphosis” two insect categories. “Completely abnormal ” refers to the individual development of insects, after the eggs, larvae, pupae, adult four periods. Butterflies, moths, etc., are completely perverted insects. And “incomplete pervert ” refers to the individual development of insects, only through the eggs, larvae and adults three periods. Common imperfections insects are locusts, crickets and so on.