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Photo#337008
American Dagger Moth - Acronicta americana

American Dagger Moth - Acronicta americana
Chappaqua, Westchester County, New York, USA
September 17, 2009
Size: 1.5" (38mm)
Found resting on grill cover. Must have fallen off from maple tree above the grill.

Moved

Moved
Moved from ID Request.

probably ready to pupate
When caterpillars are ready to pupate, many of them leave their foodplant and wander around looking for a safe place to build a cocoon. At this time of year, they can be found in all sorts of unlikely places - even crossing roads and climbing buildings.

 
Thanks for the insight.
Now that you've mentioned it, they are everywhere except on their foodplants (plus the leaves are falling).

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