PYRALID.E, SUBFAMILY HYrSOTROPIN^. 81 



curved and about twice the length of head ; frons with pointed 

 conical prominence; antennae of male typically with rather long 

 uniseriate branches, the shaft with sinus at base containing a 

 ridge of scales. Fore wing iiariow, the apex rounded, the termen 

 evenly curved ; vein 2 from towards angle of cell ; 3 and 5 from 

 angle, 4 absent ; 6 from below upper angle ; 8, 9 stalked : 10, 11 

 fi'om cell. Hind wing with vein 2 fl-om just before angle of cell ; 

 3 and 5 stalked, 4 absent ; 6, 7 shortly stalked ; 8 closely 

 approximated to 7 but not anastomosing with it. 



Sect. I. Palpi of male obliquely upturned and hollowed out to receive tlie brush - 

 like maxillary palpi ; autennse pectinate with uniseriate branches, the shaft 

 with sinus and ridge of scales at base. 



(1) tOnORTONCECA LEUCOCRASPIA, Sp. n. 



Head and thorax whitish suftused with rufous ; abdomen white 

 tinged with rufous and dorsally suffused with fulvous yellow 

 towards base; palpi white in front; pectus, legs, and ventral 

 surface of abdomen white tinged with rufous. Fore wing- 

 creamy white slightly tinged with rufous ; a white costal fascia, 

 narrowing to a point at apex, slightly irrorated with rufous and 

 defined below by a luther diffused rufous streak ; the veins 

 white defined on each side by fine rufous streaks ; a fine rufous 

 streak in snbmedian fold. Hind wing semihyaline white. 



Algeria, Hammam-es-Salahin {Wcdsingham). 2 cT , 3 5 type. 

 Exp. 30-34 mm. 



Larva. White with numei^ous red-brown lines interrupted at 

 the incisures, the head and 1st thoracic somite wholly i-ed- 

 brown. Feeds in the stems of a reed-like grass. 



Sect. II. Palpi of male obliquelj' upturned and not hollowed out to receive the 

 maxillary palpi, which are filiform ; antennse of male laminate and ciliated 

 with slight sinus at base of shaft, but no ridge of scales. 



(2) tCHORTONCECA MINIMELLA. 



Meliarpha mmimella Hmpsn. Rom. Mem. viii. p. 392, pi. 52. 

 f. 11 (1801). 



Borneo, Pulo Laut ; Celebes, Talaut I. ; N. Australia. 



Sect. III. Palpi of male downcurved and extendirig about three times length of 

 head, not hollowed out to receive the maxillary palpi which are filiform ; 

 autennaj of male laminate and ciliated, with a sinus at base of shaft con- 

 taining a ridge of scales. 



(3) *Chorton(eca minoralis. 



Anerastia minoralis Lower, Tr. R. Soc. S. Austr. 1903, p. 52. 

 Queensland. 



(4) Chortonceca eurysticha. 



Anerastia eurysticha Turner, Pr. R. Soc. Queensl. xviii. p. 119 

 (1903). 



Proc. Zool. Soc— 1918, No. YI. 6 



