Identification: Forewing long and slender with pointed apex, color dull yellow with thick white stripes running length of wing; main stripe begins near base in upper half of wing and splits into two in AM area, each branch splitting again in PM area; another stripe begins near base in lower half of wing and runs straight to anal angle; hindwing uniformly white and very large, about three times width of forewing
Wing Span: 2.5 cm
Flight: June and July
Range: New Mexico, Arizona, and Colorado
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