. Bulletin. Natural history; Natural history -- Montana. Fig. 50. Argynnis nevadensis, lower side. THE HESPERIS FRITILLARY. Argynnis hesperis, Edwards. Fig. ±>.g. 51. Argynnis iiesperis, upper and lower surfaces. Butterfly—The male on the upper .side of the wings is fulvous, shaded with dark fuscous for a short distance from the base. The black spots of the median band are rather broad, and seem to coalesce through dark markings along the nervules. The under side of the fore wings is pale ferruginous, tinged with a little buff at the tips. The under side of the hind wing is dark ferrug
. Bulletin. Natural history; Natural history -- Montana. Fig. 50. Argynnis nevadensis, lower side. THE HESPERIS FRITILLARY. Argynnis hesperis, Edwards. Fig. ±>.g. 51. Argynnis iiesperis, upper and lower surfaces. Butterfly—The male on the upper .side of the wings is fulvous, shaded with dark fuscous for a short distance from the base. The black spots of the median band are rather broad, and seem to coalesce through dark markings along the nervules. The under side of the fore wings is pale ferruginous, tinged with a little buff at the tips. The under side of the hind wing is dark ferruginous with a narrow buff sub-marginal band. Ground color of the female is paler than the male. In neither are the light spots marked with silver; they are opaque, yellowish white. Ex- panse, inches, 57-61 mm. Early Stages—The life history remains to be learned. Distribution—The butterfly is found among the mountains of Colo- rado and . 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 : University of Montana
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