HESPERIOIDEA OF AMERICA 



49 



as long as inner, strongly 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 Thanaos; 

 the figure of the genitalia in the Biologia 

 is distinctly of the Thanaos type. 



Fig. 17. Chiomara a-sychia 

 Cramer. Neuration of primary 



1. CHIOMARA ASYCHIS 



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



ocoxxxiv, E, F, 1781. 

 Pyrgus georgina Reakirt, Proc. Acad. Nat. Sci 



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

 Biol. Cent.-Am., Rhop. n, 453, pi. 91, ff. 1, 2, 3, 1899 ; p. 741, 1901. 



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

 taken in March. 



Genus THANAOS Boisduval 

 Thanaos Boisd., Icones 240, 1832-3. Type Hesperia juvenalis 



Fab. 

 Scudder and Burgess, Proc. Bost. Soc. Nat. 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 

 width 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 

 .. Neuration of ■/ ..- as M. D. C. Secondaries vari- 



alis, b. Outer margms of wings of aWe ^ gize ^ shape> br()ad out . 



