Eumorpha achemon
(Drury, 1773) Sphinx

Eumorpha achemon third or fourth instar, Windham Centre, Norfolk County,
July 27, 2011, Lynda Amorim

When the immature pinkish-red larva sent by Lynda sheds its skin to move into its final instar, it will lose its anal horn, and may become a rather drab, light brown or become a bright orangey-brown. I have not seen pictures of any that retain the reddish hue in final instar.

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