. Bulletin. Natural history; Natural history -- Montana. 40 BULLETIN UNIVERSITY OF MONTANA. THE ALEXANDRA SULPHUR. Eurymus alexandra, Edwards, Fig. Fig. 36 Eurymus alexandra, female with expanded wings; male showing unaer side. From specimens taken at Bigt'ork. Butterfly—Expanse of wings of females inches, 50-60 mm.; of males, inches, 45 mm. Male pale canary yellow, the black border much narrower than in philodice or eurytheme; a fine yellow line borders the black on outer margin; base of wings, thorax and abdomen with considerable black; anterior of thorax, antennae and legs r
. Bulletin. Natural history; Natural history -- Montana. 40 BULLETIN UNIVERSITY OF MONTANA. THE ALEXANDRA SULPHUR. Eurymus alexandra, Edwards, Fig. Fig. 36 Eurymus alexandra, female with expanded wings; male showing unaer side. From specimens taken at Bigt'ork. Butterfly—Expanse of wings of females inches, 50-60 mm.; of males, inches, 45 mm. Male pale canary yellow, the black border much narrower than in philodice or eurytheme; a fine yellow line borders the black on outer margin; base of wings, thorax and abdomen with considerable black; anterior of thorax, antennae and legs roseate; under side of fore wings much paler than upper, uniform: under side of hind wings pale greenish gray, sprinkled with black scales; discal cell of hind wing silver, without rings; black border above showing through wing from below. Female larger than male, without black border above; sometimes the apex of fore wings is sprinkled with black, giving indica- tions of markings; wings paler than in male, sometimes almost white; discal spot in fore wings black, oval, sometimes with yellow splash in the middle; on hind wing orange yellow, usually double; under side, silvery gray, yellow only at the base and on inner margin of the prim- aries; discal spot of hind wings silvery, with brown margin. Discal spot of fore wing dark brown with light spot m center; the roseate of the male repeated on the female, continuing around the outer border of the wings. Early Stages—Caterpillar uniformly yellowish-green, with a white band on each side, broken with orange dashes running through it. The chrysalis resembles that of philodice, is yellowinsh green, darkest on the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original University of Montana (Missoula); University of Montana (Missoula). Biological series. Missoula : Uni
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