“Almost always a brighter orange-brown than Variegated Fritillary” writes Jeffrey Glassberg about Mexican Frits in his A Swift Guide to Butterflies of North America (Princeton University Press, 2017). This was one of a pair of mated Mexican Fritillaries. The other one remains hidden under those cool wings. We were in the National Butterfly Center in Mission, Texas, some 2 miles north of the U.S. – Mexican border.
When I saw them, just some inches above the ground, my friend shared that they were Mexican Fritillaries! That got my attention, for they so look like Variegated fritillaries. Glassberg’s field guide highlighted the difference between the species. Mexican Frits lack much detail in the center of their dorsal hindwings, and they are so much “brighter” than Variegated.
I spent several unforgettable days in the Lower Rio Grande Valley, each day making the acquaintance of many Lifers for me. There were times too, when others in the NBC shared that folks just a little earlier had seen Dingywings and other butterflies that I’ve not ever seen before. No regret there, for I was a Happy Boy! in the LRGValley. I came to see and I saw!