The Yellow-shouldered Slug Moth is also known by the name(s) of: Orche-winged Hag Moth.
The Yellow-shouldered Slug Moth is typically 0.3 inches to 0.5 inches (10mm to 13mm) in size and has the following descriptors / identifiers: brown; white; black; white line; tail up; headstand; ekg; ecg; small; tiny; flying.
It has a typical diet of the following: apple; beech; elm; oak; willow
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Territorial Area Map (Visual Reference Guide)
The map below showcases (in blue) the states and territories of North America where the Yellow-shouldered Slug 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.