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Looks like a Fritillary species, but I can't figure out which. Seems to have more yellow than the Zerene Fritillary in my book.
Found in alpine meadow with purple aster.
Have you looked at the Great Basin Fritillary Speyeria egleis? What tools should I be using to differentiate between species of Frittilarys? They are all so remarkably similar
Thank you Arne.roysland and Mark Ridgway for your suggestions. I keep getting stumped when I look at how much yellow is on the wings and how filled in the dark brown edge of the hindwing is. Is this one of those butterflies that is nearly impossible to ID without a picture of the underside of the wing as well?