The large Edward’s Fritillary is uncommon in the southern part of Alberta. Look for them in July and August.
The showy Edward’s is distinguished from other large fritillaries by the distinctly concave outer margin of the forewing. The wingspan is 60 to 70 mmm (2 ½ to 2 ¾ in.). The uppersides of the wings sport the distinctive orange and black pattern of all fritillaries. The hind wing underside has a greenish ground colour decorated with large elongated silver spots.
The caterpillar has a yellow back and grey sides marked with a black stripe and yellow mottling. Like most other fritillaries, it feeds on violets at night.
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Where to find Edward's Fritillaries in Alberta
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