. Bulletin. Natural history; Natural history -- Montana. 5G BULLETIN UNIVERSITY OF MONTANA. THE LETO BUTTERFLY. Argynnis leto, Edwards. Figs. 38, 43, 44, Fig. 44. Argynnis leto, male. Butterfly—The male on the upper side is a dull fulvous with the characteristic black markings of the genus; the basal area is darker. The under side of the fore wings is plae fulvous upon which the mark- ings of the upper side reappear. Both wings on the under side, are shaded with brown toward the base; the hind wings are traversed by a sub-marginal band of light straw yellow. The female is marked as the ma
. Bulletin. Natural history; Natural history -- Montana. 5G BULLETIN UNIVERSITY OF MONTANA. THE LETO BUTTERFLY. Argynnis leto, Edwards. Figs. 38, 43, 44, Fig. 44. Argynnis leto, male. Butterfly—The male on the upper side is a dull fulvous with the characteristic black markings of the genus; the basal area is darker. The under side of the fore wings is plae fulvous upon which the mark- ings of the upper side reappear. Both wings on the under side, are shaded with brown toward the base; the hind wings are traversed by a sub-marginal band of light straw yellow. The female is marked as the male, but the general color is pale straw yellow, and all the darker markings are deep blackish brown, those at the base of both wings being broad and running into one another, so that the inner half of the wings appear to be broadly brownish black. On the under side it is also marked the same as the male, but with the dark portions blacker and the lighter portions pale yellow. The marginal row of light spots on the hind wings appears on the under side as silver crescents; there are three rows of silver spots on the brown part of the wing. Expanse to inches, 64 to 83 mm. Early Stages—Unknown. Distribution—It occurs in California, Oregon and Montana. In Mon- tana it is found on both sides of the mountains. In the western part it is abundant about Flathead lake. It is a beautiful insect, demanding the attention of the collector, frequenting the more open woods, skirting the bushes by the roadsides, or frequenting the sunny open places in the woods. It has been taken, in addition to that mentioned, at Mount Lolo, Missoula, the Mission Mountains, and the Yellowstone Park by Elrod, at New Chicago by Douglass, at Helena by Brandegee, and at Miles City by Elrod. A male was collected at Miles City in July, 1893, and a female in Yellowstone Park in September, 1894, both identified by Edwards. It is likely to be found in most parts of the state, and will ornnament any. Plea
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