On new Pyralidge /roTw the Khasia Hills. 107 



MastogeniuSy sp. 



Niger, nitidus, convexus, crebre punctatus. 

 Long. 2^ mill. 



Hah. Hong Kong. 



This species much resembles M.feliXj but is black. The 

 thorax is more rounded at the sides, much resembling the 

 thorax of some Cardioi^hori. The presternum has a distinct 

 trace of the antenna! groove ; the surface appears smooth, 

 the punctures distinct, separated from each other by about 

 two diameters of a puncture ; the fine lines bordering the 

 sternum gently curved. Tarsi with the basal joint about 

 equal to the two following taken together. 



Mastogenius^ sp. 



Niger, nitidus, crebre sat fortiter punctatus. 

 Long. 3 mill. 



Hah. . Keceived from the " Entomological Club." 



Very close to the preceding, but much more strongly 



punctured. The head is much more distinctly sulcate. The 



thorax a little more convex. 



XVI. — New Species o/Pyralidte from the Khasia Hills. 

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



[Continued from vol. xvii. p. 466.] 



S ubfamily Ptsa ustin^. 



Genus Syllythria, Hiibn. 



Syllythria metallica, sp. n. 



Fore wings yellow ; the costa and hind margin broadly 

 metallic purple ; a black discal spot and another before it in 

 the cell ; anteniedian, median, and postniedian lines blood- 

 red, united in places by bluod-red lines along the veins; the 

 purple marginal line tinged with red internally ; fringe 

 yellow, with red base. Hind wings white, somewhat yellow- 

 ish tinged ; a metallic purple blotch on hind margin in 

 middle, preceded by some red scales. Head, face, thorax, 

 and abdomen yellow, with red scales intermingled. The 

 ■whole surface of both wings and of body is dusted with 



