云杉阿扁叶蜂AcantholydapiceacolaXiaoetZhou的幼虫隐藏于虫粪结成的虫巢内，在取食针叶时将头、胸伸出虫巢，停息或受惊扰时即缩回。由于虫巢质地紧密、不易拉开，因此确定该虫龄期及发育进度很困难。曾有报道云杉阿扁叶蜂幼虫龄期为5龄[1]，而各龄期幼虫取食量及虫体大小未 The larvae of AcantholydapiceacolaXiaoetZhou, a spider of AcantholydapiceacolaXiaoetZhou, are hidden in the wormhole formed by insect feces. When the needles are fed, the head of the needle and the chest extend out of the wormhole and retract when stopped or disturbed. As the nest texture close, not easy to pull out, so to determine the age and development of the worm is very difficult. It has been reported that the spruce A flat leaf bee larvae age of 5 years [1], and the larvae of all ages feeding and body size did not