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In Westwood by porch light; elevation 5100ft, Lassen County, California, USA
June 8, 2007
Size: Wingspan 21mm
Not sure about this one. Closest MPG photos are Eupithecia mutata & Eupithecia johnstoni. Comments welcome!

DNA results:
ID to genus provided by BOLD Systems via DNA. A species match was not made. The nearest DNA matches were Eupithecia johnstoni and Eupithecia columbiata both at 99.84% similarity. An image comparison with these species here on Bug Guide and at MPG did not provide any comfortably close looking matches. But 99.84% similarity is real close!

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