. Bulletin. Natural history; Natural history -- Montana. Fig. 103. Epargyreus tityrus, upper (left) and lower (right) surfaces. Butterfly—Expanse, to inches, 43 to 50 mm. Upper surface dark brown. The fore wings are crossed by an oblique yellow band of four large, spots, from the middle of the costa to near the posterior angle, where it ends in a rounded spot. Beyond there is a narrow spot in the first median interspace extending from vein to vein. Fringes gray and brown at the edge of veins. Underside aboue the same, but this hind wings have a conspicuous silvery white band in the m


. Bulletin. Natural history; Natural history -- Montana. Fig. 103. Epargyreus tityrus, upper (left) and lower (right) surfaces. Butterfly—Expanse, to inches, 43 to 50 mm. Upper surface dark brown. The fore wings are crossed by an oblique yellow band of four large, spots, from the middle of the costa to near the posterior angle, where it ends in a rounded spot. Beyond there is a narrow spot in the first median interspace extending from vein to vein. Fringes gray and brown at the edge of veins. Underside aboue the same, but this hind wings have a conspicuous silvery white band in the middle, nearly reaching the cosa; palpi brown, slightly yellowish beneath. Early Stages—The egg is nearly globular, flattened at the base, with fifteen ridges from the base to apex. Color white, with a bright red spot at apex. The young larva is orange; head short, a few scattered over the body. It feeds upon the common locust, rose, acacia, wistaria, and a species of wild bean. Distribution—It is found quite generally over the entire United States, more abundantly eastward. In Montana it has been taken by Wiley at Miles City, by Brandegee near Helena, and by Elrod at Flat- head lake. Genus COCCEIUS. THE NORTHERN DUSKY-WING, Cocceius pylades, Fig. 103A. Cocceius pylades, slightly 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


Size: 1786px × 1399px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookc, bookcentury1900, bookdecade1900, booksubjectnaturalhistory