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Photo#193575
1214 Smerinthus cerisyi - One-eyed Sphinx 7822 - Smerinthus ophthalmica - female

1214 Smerinthus cerisyi - One-eyed Sphinx 7822 - Smerinthus ophthalmica - Female
Bay Center 98527 Willapa, Pacific County, Washington, USA
June 21, 2008
Size: wingspan ~90mm
DSCF7287.JPG Laying eggs
Locality: Coastal SW Washington State at the edge of Willapa Bay
geo:lat=46.624389 geo:lon=-123.949728
She started extruding eggs at about one per minute and after the photo flew off outside, I assume to finish. A large beautiful moth.

Moved
Moved from One-eyed Sphinx.

Tentative ID based on your barcoded specimens from the same location and the appearance is more like that of ophthalmica though there does appear to be a form of true cerisyi which can approach this.

You could try raising the egg
You could try raising the eggs on their foodplants- willow and poplar

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