Complex sentence: It is distinguished from other subspecies of "G. lygdamus" by its slightly different patterning on the underside of the wing, an earlier flight period, subspecies as described was the southern slope of the Palos Verdes Peninsula in coastal Los Angeles County.
Split into simpler sentences: It is distinguished from other subspecies of "G. lygdamus" by its slightly different patterning on the underside of the wing and an earlier flight period. The subspecies was described from the southern slope of the Palos Verdes Peninsula in coastal Los Angeles County.