The larvae may be excreted in the faeces.

幼虫会连同粪便排出。

Waste derived from human activitirs, such as rapeseed placentiform from the extraction of rape oil;fruit faeces from the extraction of fruit juice;chicken excrement from the scall farming of chickens.

摘废弃物是人类为满的产物，如菜籽饼来于油菜籽取油，果渣来于水果取汁，鸡粪来于规模化养鸡。