Name: Christine North East Texas (Zone 7b) Shine Your Light!
Jeanne, I can't be sure but looking at the form of your butterflies, they look like Sulphurs. That is, if they are yellow. Not sure on the variety. If they are white, they might be Cabbage Whites like everyone is seeing right now.
May your life be like a wildflower, growing freely in the beauty and joy of each day --Native American Proverb