I don't know, but that's never stopped me from replying before..

I had a few offspring given to me that were Mexican (mainland Mexico) crossed with what I think was a Calif desert rosy of some sort. The babies grew into something similar to what you have. Very attractive and had fantastic appetites, but not a real treasure for most rosy enthusiasts. I liked them though.

I did see a pickled roadkill specimen at the Univ of LaPaz in Mexico that looked like a cross between a trivirgata and a myriolepis, kind of like yours look but with a much straighter and more narrow top stripe. But pickling can alter colors, so who knows.