. Bulletin. Natural history; Natural history -- Montana. 120 BULLETIN UNIVERSITl OF MONTANA. THE CHRYXUS BUTTERFLY. Oeneas chryxus, Westwood. Plate X, also Plate 1. Butterfly—Expanse, to inches. 44 to 57 mm. Light brown above, usually with darker color on the basal and median areas of both fore and hind wings, leaving a broad band of lighter color. A narrow dark brown or brownish black outer margin on both pairs of wings. Outer edges fringed with dashes or crescents. Edge of costa usually mottled. Wings on under side beautifully mottled with white and dark brown, a heavier band of al
. Bulletin. Natural history; Natural history -- Montana. 120 BULLETIN UNIVERSITl OF MONTANA. THE CHRYXUS BUTTERFLY. Oeneas chryxus, Westwood. Plate X, also Plate 1. Butterfly—Expanse, to inches. 44 to 57 mm. Light brown above, usually with darker color on the basal and median areas of both fore and hind wings, leaving a broad band of lighter color. A narrow dark brown or brownish black outer margin on both pairs of wings. Outer edges fringed with dashes or crescents. Edge of costa usually mottled. Wings on under side beautifully mottled with white and dark brown, a heavier band of almost black crossing both wings near the center, making an acute angle toward outer edge near the middle of fore wing. One to several eye spots, some pupiled with white, which show above as dark brown or black. The plate shows some of the variations of the species. Distribution—The insect is found over a wide territory, from Hudson Bay and British Columbia to Colorado, the light colored variety invalida in Nevada and California. It has been taken in the state by Cooley in Gallatin county at 9,400 feet, and at Missoula; by Brandegee at Rimini near Helena and at Cascade on the Missouri river; Douglas collected it in the Tobacco Root range; Elrod has specimens from Missoula, from Mount Lo Lo, from Geyser Basin in the Yellowstone Park, and from the Swan range. The species is alpine. It has not been taken below 5,000 feet at Missoula, and above this is quite common. It has frequently been- seen in the Swan range above G,000 Fig. 92A. Oeneas uhleri, var. varuna; lower surface on left, upper surface on right; natural size. THE VARUNA ARCTIC Oeneas uhleri Reakirt, var. varuna, Edwards. Butterfly—Expanse, to inches, 38 to 45 mm. The butterfly is among the smallest of the Oeneas group. It is light tan colored above, with a narrow dark grown border on both wings. Edges with light fringe, broken by the brown. On the under surface the wings are mottled with brown, stro
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