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Giant Silk Mothswierd moth
My son works at a golf course in Sun Valley, Idaho, where he photographed this beautiful moth. What is it?
Signed, Fascinated by the lovely bug.
Hi Fascinated,
This is a Columbia Silkmoth or Glover’s Silkmoth, two subspecies of Hyalophora columbia. We are not skilled enough to tell which subspecies this really is.
Update: (03/21/2008)
Daniel
The Hyalophora from Sun Valley, Idaho, is Glover’s, Hyalophora columbia gloveri … H. columbia columbia flies further north and east of both the moths depicted. There are state by state checklists on the WLSS. For $40.00 it is an amazing reference.
Bill Oehlke
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