HESPERIOIDEA OF A3IERICA 



49 



as long as inner, strong-ly curved; vein 11 arising just beyond 

 middle of cell and reaching costa before end of cell. ;Male 

 with tibial tuft but no costal fold. Fig. 17. 



Gesta appears to belong in T ha twos; 

 the figure of the genitalia in the Biologia 

 is distinctly of the Thanaos type. 



1. CHIOMARA ASYCHIS 



Papilio asychis Cramer, Pap. Exot. rv, 87, pi. 



cccxxxrv, E, F, 1781. 

 Pyrgus georgiim Eeakirt, Proc. Acad. Nat. Sci. 



Phil. 1868, 88 (fide G. & S.). 

 Biol. Cent. -Am., Ehop. n, 453, pL 91, ft. 1, 2, 3, 1899 ; p. 741, 1901. 



Texas, Arizona, October. I have one specimen from Commba, Brazil, 

 taken in March. 



Fig. 1". Chiomara asychii 

 Cramer. Xeuratioa of primary 



Genus THAXAOS Boisduval 

 Thanaos Boisd., Icones 240, 1832-3. TjT)e Hesperia juvoialis 



Fab. 

 Scudder and Burgess, Proc. Bost. Soc. Xat. Hist, xm, 282-306, 



pi. 1870. 

 Skinner, Trans. Am. Ent. Soc. xl, 195-221, 1914. 



Palpi large, exceeding front 

 by about length of head; vesti- 

 ture shaggy; third joint stout 

 and roughly scaled. Antennae 

 moderate ; club fusiform, curv- 

 ed. Costa of primaries slightly 

 convex, flattened along fold ; out- 

 er margin in most species evenly 

 rounded, in some more strongly 

 curved opposite cell ; relative 

 vddth of primaries variable. Cell 

 scarcely two-thirds as long as 

 wing; vein 5 intermediate, 7 to 

 11 in the distal third of the 

 cell, 11 ending beyond end of cell 

 U. D. C. less than half as long 



Fig. 18. Thanaos. a. Xeuration of juven- SLS M. D. C. Secondaries Vapi- 

 alis, b. Outer margins of wings of 1,1 • • -,1 it, 



funeraiia able lu sizc and shape, broad out- 



