NOVITATES ZOOLOGICAE XXVI. 1919. 97 



Gen. Echidgnathia nov. 

 Type, E, vilrifasciala. 



Proboscis aborted and non-functional ; palpi obliquely upturned and liardly 

 reaching to vertex of head, the 1st joint with long scales in front, the 2nd and 

 3rd with spinous hair at extremities, the 3rd short ; frons smooth ; antennae 

 of female thickened, dilated towards extremity and ending in a minute tuft of 

 hair ; fore tibiae with some spinous hair above, the mid and hind tibiae at the 

 spurs and tarsi at extremity of 1st joint with tufts of scales and spinous hair ; 

 abdomen with lateral tufts of scales except towards base. Forewing narrow, the 

 apex rounded, the termen evenly curved ; veins 2, 3, 4, 5, 6 all well separated ; 

 7, 8 stalked ; 9, 10, 11 from cell. Hindwing with vein 3 from well before angle 

 of cell, but nearer 5 than 2, 4 absent ; 6 from above middle of discocellulars ; 



7 from upper angle of cell ; 8 concealed in a fold. 



Echidgnathia vitrifasciata. 



t Tinlhia vitrifasciata Hmpsn., A.M.N. H. (7) vi. p. 1.50 (1900). 

 Mashoualand. 



Gen. Thyranthrene nov. 

 Type, T. obliquizona. 



Proboscis aborted and not functional ; palpi upturned to well above vertex 

 of head, the 1st and 2nd joints fringed with long hair in front, the 3rd with some 

 hairs towards tip, which is acuminate ; frons smooth with tufts of scales at 

 sides and above, the vertex of head with some rough hair ; antennae of male 

 bipectinate with rather long branches diminishing to before tip where the shaft 

 is dilated and terminates in a minute tuft of hair ; tibiae and the 1st joint 

 of hind tarsi above fringed with rather long hair ; abdomen with rather large 

 lateral tufts of scales except at base, the anal tuft large. Forewing Father narrow, 

 the apex rounded, the termen evenly curved ; veins 2, 3, 4, 5, 6 all well separated ; 

 7, 8 stalked, 9, 10, 11 from cell. Hind-wing with vein 3 from just before angle of 

 cell, 4 absent ; 6 from just above middle of discocellulars ; 7 from upper angle, 



8 concealed in a fold. 



(1) Thyranthrene obliquizona. 



t Lepidopoda obliquizona Hmpsn., P.Z.S. 1910. p. 506. pi. 41. f. 8. 

 TS.'E. Rhodesia. 



(2) f Thyranthrene metazonata n. sp. 



(J. Head, thorax, and abdomen black -brown, the hair on vertex of head pale 

 brown, the frons white with some pale brown above, the palpi white with some 

 of the hair in front of 1st and 2nd joints black, the 3rd joint brownish 

 ochreous, the antennae with the shaft above and branches brownish white, the 

 abdomen with white and ochreous line on penultimate segment, the anal tuft 

 with some ochreous and white at middle ; fore tibiae with some pale brown hair, 

 the tarsi brownish white above, the mid tibiae with the hair towards base and at 

 extremity pale brown and white, the tarsi white, the hind tibiae with the hair on 

 upperside pale brown and white, the tarsi white ; ventral surface of abdomen 

 with the segments fringed with brownish-white scales. Forewing black -browTi ; 



7 



