Ceanothus Silk Moth

.5s at f13.0, ISO:200, Canon Mark III 1Ds w/180mm, 1.4x converter

The Ceanothus Silkmoth (Hyalophora euryalus) is a moth of the Saturniidae family. It is found in the dry intermountain valleys and interior of British Columbia (as far north as Prince George along the Fraser River) south to Baja California. The wingspan is 89-127 mm. Adults are on wing from January to July depending on the location. There is one generation per year.
Pt. Reyes National Seashore, CA