92 



IOWA STUDIES IN NATURAL HISTORY 



Pamphila rurea Edw., Proc. Acad. Nat. Sci. Phil. 1862, 58. 

 Eesperia Jciowah Reakirt, Proc. Ent. Soc. Phil. \n, 150, 1866. 

 Hesperia osylca Edw., Trans. Am. Ent. Soc. I, 288, 1867. 

 Pamphila osceola Lint., 30th Rep. N. Y. Mus. Nat. Hist. 170, 1878. 

 Scudder, Butt. New Eng. n, 1739 and in, 1865, 1889. 

 Holland, Butterfly Book 360, pi. xlvt, f. 31, 1898. 

 Wright, Butt. W. Coast 247, pi. xxxi, f. 442, 1905. 

 Oberthiir, Etudes ix, (1), pi. ccxl, f. 2093, 1913 (type). 

 United States and Southern Canada; May to July. 



$ form IHMACULATUS 

 Pamphila vestris, var. immaculatus Williams, Ent. News xxv, 267, 1914. 



Described from the Jemez Mts., New Mexico. I have seen it from the 

 White Mts., Arizona, but not from more northern localities. As the name 

 implies, it lacks the whitish spots usually found on the primaries of the 

 female. 



Genus ATRYTONOPSIS Godman & Salvin 

 Atrytonopsis G. & S., Biol. Cent.-Am., Rhop. n, 497, 1900. Type 

 Hesperia deva Edw. 



Palpi upturned ; 

 third joint moderate, 

 oblique, not concealed 

 in vestiture of second. 

 Antennae slightly less 

 than one-half as long 

 as primaries ; club 

 moderate, longer in 

 female than male ; 

 apiculus shorter than 

 thickness of club in 

 male, equal to it or 

 longer in female. Pri- 

 maries of male apic- 

 ally produced; costa 

 nearly straight; outer margin slightly rounded; apex rounded- 

 acute. Secondaries rounded; outer margin flattened at end of 

 cell; anal angle slightly lobed; length from humeral angle to 

 anal angle greater than through cell in male and less in female. 

 Cell of primaries three-fifths as long as wing; vein 5 curved at 

 base, nearer to vein 4 than to 6; L. D. C. almost transverse; 

 M. D. C. scarcely visible, very oblique; vein 2 almost inter- 



SS^ 



Pig. 28. Antenna] clubs: a. Atrytonopsis deva Edw., 

 b. A pittacus Edw., c. A. edicardsi B. & McL)., f. 

 Oligoria maculata Edw. h. Lerodea eufala Edw., Pal- 

 pi, d. A. deva Edw., g. Mastor bellus Edw., i. Le- 

 rodea eufala Edw., e. Detail of neuration : end of cell 

 of primaries, Lerema accius S. & A. 



