The Twin-spotted Sphinx Moth is typically 1.7 inches to 3.2 inches (45mm to 83mm) in size and has the following descriptors / identifiers: blue eyespot; pink hindwings; wavy lines on brown wings; Y-shaped dark mark on wings; flying; big.
Territorial Area Map (Visual Reference Guide)
The map below showcases (in blue) the states and territories of North America where the Twin-spotted Sphinx Moth may be found (but is not limited to). This sort of data can be useful in seeing concentrations of a particular species over the continent as well as revealing possible migratory patterns over a species' given lifespan. Some species are naturally confined by environment, weather, mating habits, food resources and the like while others see widespread expansion across most, or all, of North America.