Strange peppered roach head marking on new female

One of my peppered roaches molted into an adult yesterday and she part of her head marking is light! She's acting normal and looks alright other than that, so I'm not really too worried about her, more curious what could cause this? Is it just a different marking or could it have been caused by damage as a nymph? I've only had these peppereds for a couple months, but before that I don't think they were super well taken care of. The five other adults have normal looking head markings.

Either way, she's so gorgeous. My mom named her Queenie!

Queenie.jpg
 
Follow up question: Will she figure out how to put her hind wings away? It's been 4 days and she still hasn't
Sometimes they just don't fold their wings properly when molting, and they get stuck that way. Often happens if they're disturbed during the molting process.
 
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