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Heterocampa umbrata
Moth
Notodontidae, Heterocampinae, Heterocampa umbrata.
Always tough ones, quite variable within the species and markings/pattern not always clear for an ID. I am pretty sure it is Umbrata and tried to add the best matching links, but anyway, cross-checking yourself is never a bad IDea ;-)
https://bugguide.net/node/view/1245970/b...
https://bugguide.net/node/view/1202351/b...
https://bugguide.net/node/view/1414903/b...
https://bugguide.net/node/view/1131115/b...
https://bugguide.net/node/view/1105251/b...
https://bugguide.net/node/view/487549/bg...
The whole bulk:
https://bugguide.net/node/view/391/bgima...
http://mothphotographersgroup.msstate.ed...