42 IOWA STUDIES IN NATURAL HISTORY 



9. HESPERIA DOMICELLA 



Syrichtus domioella Erichson, Schomb., Eeise. n. Guiana iii, 604, 1848. 

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

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



Arizona, August and September. 



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

 both the costal fold and tibial tuft in the males. 



10. HESPERIA ERICETORUM (Plate I, Fig. 4 5,6$) 

 Syrichtus ericetorum Boisd., Ann. Soe. Ent. France (2); x, 313, 1852. 

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

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

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



California, April to August. Arizona, July. 



11. HESPERIA MACAIRA 



Fyrgus macaira Eeakirt, Proc. Acad. Nat. Sci. Phil. 1866, 334. 

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

 Leuoochitonea locutm Hew., Exot. Butt., Leuch. t. 2, fl. 19, 20, 1875. 

 Brownsville, Texas; June. 



12. HESPERIA LAVIANA 



Leucochitonea laviana Hew., Desc. Hesp. 48, 1868. 

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

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

 Texas, June and July. 



13. HESPERIA NIVELLA 



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

 Leucoscirtes nivella Mab., Bull. Soe. Ent. Belg. xxvii, lv, 1883. 

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

 Biol. Cent. -Am., Rhop. ii, 446, pi. 90, S. 22-24, 1897. 

 Brownsville, Texas; June. 



Genus SYSTASEA Butler 

 Systa^ea Butler, Edw., Can. Ent. ix, 120, 1877. Type, Leucoch- 

 itonea pnlverulenta Folder. 

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

 PhoUsora 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 



