The nonfeeding stage between the larva and adult in the metamorphosis of holometabolous insects,during which the larva typically undergoes complete transformation within a protective cocoon or hardened case.

• 蛹全变态昆虫从幼虫到成虫的变形时期的不进食阶段，这一阶段内，幼虫在一种起保护作用的茧或硬壳中独特地完成变形的全过程。