Sphinx luscitiosa (Clemens' hawkmoth) is a moth of the family Sphingidae. It is found from Nova Scotia south to New Jersey, west through Michigan, Wisconsin and the northern plains to Alberta, Saskatchewan and Montana and south to Utah. It has been taken as far north as Yukon. The wingspan is 56–80 mm. There is one generation per year with adults on wing from June to July. The larvae feed on Salix, Populus, Malus, Fraxinus, Morella and Betula species.