On new Genera and Species o/*Pyralidae. 423 



XLV. — Descriptions of new Genera and Species of Pyralidaj 

 contained in the British- Museum Collection. By W. 

 Warren, M.A., F.E.S. 



Subfamily Chri'sauginx. 

 Chrysauge, Hub. 

 Type C. divida, Hub. Ex. Sehrn. 



Chrysauge latifasciata. 



Vhrysauge bifasciata, Wlk. ii. p. 368, var. b. 



Resembles bifasciata 7 Wlk., but all the black markings are 

 twice as broad. 



Chrysauge catenulala, sp. n. 



Resembles bifasciata, Wlk., but the two dark transverse 

 fasciae of the fore wing are finer and the black border of the 

 hind wing is traversed by a more or less distinct, fine, chain- 

 like, yellow band, very conspicuous in the male, but restricted 

 in the female. 



Four examples from S. Paolo, another from British Guiana. 



Chrysopiiila, Hub. 

 Type C. auriscutalis } Hub. Zutr. figs. 465, 4G6. 



Chrysopiiila basilinealis, sp. n. 



Resembles C. auriscutalis } Hub. ; distinguished by the 

 straight black bar which runs obliquely from the base of the 

 fore wings below the costa to the inner margin before the anal 

 angle. 



Two examples in the British-Museum collection, both from 

 Espiritu Santo. The female is quite perfect ; the male is 

 smaller and much faded, the deep orange tints of the female 

 being quite lost ; fortunately the pectinated antennae are left. 



Nachaba, Wlk. 

 Type iV. congrualis, Wlk. xix. p. 835. 



Nachaba carbonalis, sp. n. 



Fore wings bronzy brown-black, finely freckled with irides- 

 cent scales. Hind wings yellow, with all the margins blackish, 



29* 



