Citheronia regalis moth courtesy of John Campbell. Regalis fly from late June to mid-August.
Pairs remain coupled until the following evening.
Upon seperation, the females begin ovapositing shortly after dark. Incubation lasts 7-10 days with larvae becoming visible through transparent eggshells a day or so before emergence. Warmth hastens incubation and larvae are relatively large upon emergence. Female regalis will readily ovaposit on the insides of brown paper grocery bags. My experience has been that the early instar larvae are not very clingy, and they sometimes fall to the bottom of the sleeve if disturbed.