NamingCtenucha virginica Esper, 1794
Ctenucha latreillana Kirby, 1837
Sphinx virginica, Charpentier, 1830
DistributionIt is endemic to eastern North America, from Newfoundland south to Virginia. According to the University of Alberta, there has been a westward expansion in the last 60 years as it is has reached the Canadian Rockies. and is now found in all Canadian provinces.
Labrador and Newfoundland to Virginia, west to Utah, north to British Columbia (has expanded westward greatly since 1950, and now occurs in every Canadian province).
HabitatAdults fly by day but also by night and can be attracted to lights.
ReproductionTwo generations per year; overwinters as a larva beneath leaf litter/matted grasses.
FoodLarvae feed on a variety of host plants including various grasses, irises, and sedges. Adults drink nectar from flowers including goldenrod.
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