The egg is oval-shaped, white or yellowish. The larva is apodous, cylindrical and tapering at both ends. The length of the last instar larva is, as a rule, in the order of 2–3 mm. The tracheal system is metapneustic in the first instar early age and amphipneustic in the subsequent stages. The pupa is variable, from barrel shaped, to a more elongated shape. The outer surface can segmentation and is more or less smooth or wrinkled. The color varies from black to brown to yellowish white.