Thanks, Steve. There's definitely something going on, but I'm not sure what. I posted one with banding here of one with clearly banded antennae. I find both forms at the same time next to each at my house. I don't know if it's a M/F difference, just variation, or they are different species. With a flash, there is a lot of difference in the way the wings of an individual look, due the the reflective/refractive nature of the scales. Apparently there are many undescribed species and much confusion within this group. JF Landry published a long paper on some of these, but I don't have access to it here.