HESPERIDAE: PAMPHIUDI. 1859 



joints, of which about seventeen form a large and long, depressed, cylindrical chib, 

 comprising about two-fifths of the whole antenna, increasing very gradually in size, 

 and bluntly rounded at apex, four or Ave naked joints entering into the diminution of 

 size, with no sign of a crook; its stoutest part is just before it begins to taper, where 

 it is about three times as stout as the stalk, and the joints are about four times as 

 broad as long; on the stalk they become hardly twice as long as broad. Palpi very 

 stout but pretty long, the apical joint very slender and elongated, porrect; the middle 

 joint alone is as long as the eye, cylindrical and stout, being about four times as long 

 as broad and nearly straight, the apical joint not much shorter, very slender, tapering 

 to a fine point at base, not more than a fourth as broad as the middle joint. 



Wings ample, the fore wings triangular, about two-thirds as long again as broad, the 

 lower outer angle falling not much within the middle of the outer half of the costal 

 margin ; costal margin straight beyond the basal arcuation ; outer margin straight, ex- 

 cepting at the roundly angulated tip. Cell nearly two-thirds the length of the wing; 

 third superior subcostal vein arising at about the middle of the wing. Hind wings tri- 

 angular, with gently and regularly arcuate outer margin, the inner and costal margins 

 of about equal length. Subcostal fork arising slightly nearer the base than the first 

 subcostal fork. 



Fore legs very small. Fore femora fully as long as the hind femora, a little longer 

 than the fore tibiae ; the latter not much longer than first joint of fore tarsi, and with 

 an exceedingly small epiphysis ; first joint of tarsi as long as the three following to- 

 gether. Hind tibiae about a third longer than hind femora, and al)0ut two-thirds as long 

 as the tarsi, with two pairs of spurs; first tarsal joint considerably longer than the 

 remaining joints together. Claws minute, very strongly arcuate, the paronychia form- 

 ing a simple, equal, curved, round-tipped lobe beside and below it, of the same length. 



This genus of stiff-looking skippers is composed so far as known of only 

 a couple of forms, differing only in their size and the extent of the mark- 

 ings ; they occur in the eastern Rocky Mountain region and eastward to 

 the Mississippi valley, between latitudes 38° and 50°. They are simply 

 marked with exceedingly short antennae and long club, and presumably be- 

 long to the first section of Pamphilidi as separated in this work, though 

 nothing is known of their earlier stages. The butterflies appear on the 

 wing once, in early summer. 



OARISMA POWESHEIK. 



Hesperia poxoesheik F&Tk., Amer. ent, ii: Thymelicus garita pars Edw., Cat. Lep. 



271-272 (1870). Amer., 49 (1877) . 



Oan"s?napoioesAiei"Scudd.,Syst. rev. Amer. Ancyloxypha garita pars Streck., Cat. 



butt., 54 (1872). Amer. Macrolep., 175 (1878). 



Thymelicus poweshiek French, Butt. east. 



tr. S. 301 (1886). Figured by Glover, HI. N. A. Lep., pi. Q. 



Thymelicus poxeeschiek'EAv;.,CaX. diurn. fig. 3, ined. 



Lep. Amer., 67 (1884). [Not Hesperia garita Reak.] 



Imago. Head tufted above with bright tawny hairs, mingled at the base with many 

 black scales, especially posteriorly ; under surface of palpi with silvery white scales 

 through which pass many black hairs ; antennae bright tawny, the under surface of 

 the club pallid ; thorax covered with mingled brown and tawny hairs, beneath with dull 

 silvery scales and white hairs ; the femora and tibiae the same, excepting that the upper 

 surface of the tibiae is very dirty yellow, as also nearly the whole of the tarsi. 



Wings above rich dark brown with mulberry reflections. Fore wings heavily marked 

 ■with bright golden tawny along the whole costal margin as far downward as the cell 



