270 PROCEEDINGS OF THE VATIONAL MUSEUM. vol.38. 



Genus MIACORA Dyar. 



MIACORA DIFFIDENS, new species. 



Head and thorax soiled rusty white, abdomen blackish gray. Fore 

 wing whitish gray in ground, overlaid with drak gray except below 

 median vein and beyond end of cell; a red-brown shade in submedian 

 space across vein 2; strigae black, rather dense, but obscured by the 

 dark ground, a conspicuous streak from near anal angle up perpen- 

 dicularly to costa and another submarginal one running down from 

 near the apex. Hind wing brownish black. Expanse, 52 mm. 



One male, Zacualpan, Mexico, August, 1909 (R. Miiller). 



Type. Cat. No. 13040, U.S.N.M. 



Allied to Mlacora tropicalis Schaus, but smaller and darker. 



GenusGlVIRA Walker. 



GIVIRA FLAVESCENS Dognin. 



Eugivira flavescens Dognin, Ann. Ent. Soc. Belgique, vol. 48, 1904, p. L22. 



A specimen from Santa Rosa, Slate of Vera Cruz, Mexico (\Y. 

 Schaus). agrees well with a specimen from San Salvador labeled by 

 Mr. Dognin. 



Genus HYPOPTA Hlibner. 



HYPOPTA SALOME, new species. 



Lighl gray, the abdomen dark. Fore wing mottled with white on 

 the gray ground, especially at end of cell, below median vein and in a 

 double series of submarginal spots; no strigae; a rounded triangular 

 brown-black spot in submedian space below center of vein 2. Hind 

 wing powdered with dark gray, lighter between the veins. A row of 

 terminal black dots on both wings. Expanse, 33 mm. 



One male. Mi-ant la, Mexico. May, L909 (K. Miiller). 



Type. Cat. No. 13042, U.S.N.M. 



Allied to Hypopta pulverosa Sampson from Santa Lucia, Wesl 

 Indie-, but without the coarse strigae. The antennas in both species 

 are very shortly pectinated. 



HYPOPTA CHILODORA, new species. 



Dark gray, fore wing gray, powdery, the costa strongly dusted 

 with white; two lines across the wing of raised scales, white within, 

 blackish without: inner line slightly oblique, crossing the end of the 

 cell, where it is somewhal bent; outer line a little more oblique, 

 situated submarginally. Hind wing a little lighter gray, unmarked. 

 Expanse, 31 mm. 



Five males, two female-, Mexico City, Mexico. February, March, 

 and November, L908, and February, 1909 (R. Miiller). 



Type. Cat. No. i:;i»|.:. C.S.N.M. 



The antenna? of the male have long pectinations. 



