The first and second-stage larvae were characterized by their abruptly thinned tail ends and the third-stage larvae were characterized by a pair of inverted U-like structures of the head.
第一、二期幼虫的特征为尾尖骤然尖细，第三期幼虫的特征为头部具一对倒“U”形棕色结构。
In the second and third stage larvae two longitudinal alae on the lateral side are present, which have never been described by previous authors.
第二期幼虫及第三期幼虫的身体两侧具有纵侧膜的构造，是前人没有描述过的。
The present paper gives the key to the third stage larvae of the most common necrophagous flies, including 11 species, belonging to 4 families.
本文提供上海地区最常见嗜尸性蝇类三龄幼虫图解检索表，共4科11种。
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