. Studies in natural history. Natural history; Natural history. 58 IOWA STUDIES IN NATURAL HISTORY j^mib. elongate ovate, flattened on its posterior surface, blunt. Pri- maries trigonate with the outer margin rounded, rather narrow. Vein 5 intermediate between 4 and 6; L. D. C. not tubular, faint. Secondaries rounded; apex prominent and anal angle slightly produced. Hind tibiae with one pair of spurs; mid- dle tibiae spined. Males with- out secondary sexual struc- tures. Fig. 19. 1. CARTEROCEPHALUS PALAEMON Papilio palaemon Pallas, Reise I, 471, 1771. Papilio paniscus Fab., Syst. Ent. Fig. 19.
. Studies in natural history. Natural history; Natural history. 58 IOWA STUDIES IN NATURAL HISTORY j^mib. elongate ovate, flattened on its posterior surface, blunt. Pri- maries trigonate with the outer margin rounded, rather narrow. Vein 5 intermediate between 4 and 6; L. D. C. not tubular, faint. Secondaries rounded; apex prominent and anal angle slightly produced. Hind tibiae with one pair of spurs; mid- dle tibiae spined. Males with- out secondary sexual struc- tures. Fig. 19. 1. CARTEROCEPHALUS PALAEMON Papilio palaemon Pallas, Reise I, 471, 1771. Papilio paniscus Fab., Syst. Ent. Fig. 19. Butleria pvrus Edw. a. Club of -01 -__- antenna, b. Hind tibia, c. Neueration, d. Ool, 1770. Hind tibia of Carterocephalus palaemon Papilio brontes Denn. & Schiff. Wien Verz. 160, 1776. Hesperia mandan Edw., Proc. Ent. Soc. Phil, n, 20, pi. v, f. 1, 1863. Hesperia mesapano Scud., Proc. Bost. Soc. Nat. Hist, xi, 383, 1868. Cyclopides skada Edw., Trans. Am. Ent. Soc. in, 196, 1870. Stereoptes skada Edw., Trans. Am. Ent. Soc. in, 214, 1871. Scudder, Butt. New Eng. n, 1569, 1889. Elwes & Edwards, Rev. Or. Hesp. 167, 1897. Holland, Butterfly Book 342, xlvti, f. 1, 1898. Canada, Mountains of New England and Rocky Mountains; June. Cal- ifornia, Montana. Europe and Asia. Fort Providence, Mackenzie, July (Cary). Yukon Territory (Winn). Genus BUTLERIA Kirby Butleria Kirby, Syn. Cat. 624, 1871. Type Carterooephalus exornatus Felder. Dalla Mab., Gen. Ins. xvii, 107, 1904. Type Cyclopides eryonas Hew. Very similar in structure to Carterocephalus but with two pairs of spurs on the hind tibiae. Fig. 19. Butleria was first characterized by Watson (P. Z. S. 1893, 79) but according to Mabille his description does not fit the geno- type. Mabille in turn characterized the genus to correspond with the typical species in vol. xvii of the Genera Inseetorum,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration
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