本文记述了采自浙江省临安县西天目山地区20种刺蛾幼虫的外部形态并编制成检索表,其中详细记述了13种刺蛾幼虫的外部形态和主要寄主。可供识别及防治刺蛾类害虫和进一步研究其系统分类时参考。 This paper describes the external morphology of 20 species of larvae collected from the West Tianmu Mountain area in Lin’an County, Zhejiang Province and prepares a search form that details the external morphology and host hosts of 13 species of larvae. It can be used as a reference for identifying and controlling the thorn moth pests and further studying its systematic classification.