Same here Linda! I saw an RA flitting around the pellitory in my yard but couldn't get close enough for a look-see to what plant it was on. The pellitory is literally popping up all over my yard and although I tried to find eggs - there was just so much of it I couldn't find anything.
Did the RA lay an egg on the leaf top or underside?
Did you read anything about the egg staying green? Maybe it turns white after white after a day or two? I know the guava skipper and brazilian skipper lay eggs that are light green but they turn to a mauve color after a day or two.
~ Cat