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Digital Guide to Moth Identification

8901167807Sphinx canadensis – Canadian Sphinx Moth – Boisduval, 1875

Nelson Poirier
Distribution: In Canada from New Brunswick west to Manitoba, thence southward to Wisconsin, Missouri and Tennessee. It appears to stay west of the Appalachians, and is not recorded from Maryland.
Seasonality
and Size:
Flight period is May to September, with 2 broods in the southern portions of its range. The wingspan is 70 - 85 mm.
Larva and
Host Plants:
Larva is a greenish hornworm and, according to Wagner, often mottled with brown. Photos are needed to document the appearance of this species. Foodplants include black ash, white ash, lilac and blueberry.
Description/
Field Marks:
  • forewing gray-brown or yellow-gray with black streaks along and between the veins.
  • interrupted white subterminal line.
  • hindwing dark with white bands.
References
Data compiled and contributed by Nolie Schneider from references cited.

Sphinx canadensis
Janice Stiefel
Sphinx canadensis
LG – Jim Troubridge
Sphinx canadensis
90mm – Jim Vargo

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