42 IOWA STUDIES IN NATURAL HISTORY 



9. HESPERIA DOMICELLA 



Syrichtus domicella Erichson, Schomb., Reise. n. Guiana in, 604, 1848. 

 Pyrgus nearchus Edw., Papilio u, 26, 1882. 

 Holland, Butterfly Book 327, pi. xlvii, f. 19, 1898. 



Arizona, August and September. 



This and the four following species, formerly placed in Eeliopetes, have 

 both the costal fold and tibial tuft in the males. 



10. HESPERIA ERICETORUM (Plate I, Fig. 4^,6$) 



Syrichtus ericetorum Boisd., Ann. Soc. Ent. France (2)| X, 313, 1852. 

 Syrichtus alba Edw., Proc. Ent. Soc. Phil, vi, 206, 1866. 

 Wright, Butt. W. Coast 250 pi. xxxi, f. 456, 1905. 



Oberthiir, Etudes de Lep. Comp. vi, 339, pi. clxxxvn, f. 1210, 1912 (type). 

 California, April to August. Arizona, July. 



11. HESPERIA MAC AIR A 



Pyrgus macaira Reakirt, Proc. Acad. Nat. Sci. Phil. 1866, 334. 

 Syrichtus oceanus Edw., Trans. Am. Ent. Soc. in, 213, 1871. 

 Leuoochitonea locutia Hew., Exot. Butt., Leuch. t. 2, ff. 19, 20, 1875. 

 Brownsville, Texas; June. 



12. HESPERIA LAV I AN A 



Leucochitonea laviana Hew., Desc. Hesp. 48, 186$. 

 Leucochitonea pastor Felder, Verh. z.-b. Ges. "Wien xix, 476, 1869. 

 Pyrgus leca Butler, Trans. Ent. Soc. London 1870, 510. 

 Texas, June and July. 



13. HESPERIA NIVELLA 



Leucoscvrtes nivea Scud, (not niveus Cr.), Syst. Rev. 52 (73), 1872. 

 Leucoseirtes nivella Mab., Bull. Soc. Ent. Belg. xxvii, lv, 1883. 

 Leucochitonea orbigera Mab., Le Nat. X, 242, 1888. 

 Biol. Cent.-Am., Rhop. n, 446, pi. 90, ff. 22-24, 1897. 

 Brownsville, Texas; June. 



Genus SYSTASEA Butler 

 Systasea Butler, Edw., Can. Ent. ix, 120, 1877. Type, Leucoch- 

 itonea pulverulenta Folder. 

 Celotes G. & S., Biol. Cent.-Am., Rhop. n, 452, 1899. Type 

 Pholisora nessus Edw. 

 Palpi porrect, moderate; second joint slightly hairy; third 

 slightly drooping in dried specimens. Antennae about one-half 

 as long as primaries; club moderate, curved, fusiform, rather 

 blunt. Primaries with a costal fold in the male; costa slightly 

 curved ; outer margin curved, with a shallow excavation before 



