I beleive this is actually Orgyia definita but I would need to see the genitalia to be 100% sure. It is not O. pseudotsugata. Just wondering, this is a great picture and I wa wondering if I could use it(and some of your others) on my web site(Lymantriidae.com)?
![Douglas Fir Tussock Moth (Orgyia pseudotsugata) [Lymantriidae , Orgyiinae]](https://a4.pbase.com/u14/lilwings/small/4530682.905mothid7.jpg)