COSSUS. — DUOMITUS. 307 



large red spots below the origin of vein 2, the upper tinged with 

 black. 



Hab. Sikhiin. Exp. 52 rnilliin. 



Genus DUOMITUS. 



Duomitus, Butl. Ann. N. H. (5) vi, p. 68 (1880). 

 Xyleutes, Hiibn. Verz. p. 195 ( 1818), gen. non descr. 

 Chalcidica, Hiibn. Verz. p. 197 (1818), gen. non descr. 

 Hinnaeya, Moore, Lep. Ceyl. ii, p. 153 (1883). 



Type, D. ceramicus, Wlk. 



Range. S. America; S. Africa; India; Ceylon; Aniboina; 

 Australia ; New Britain. 



Palpi minute ; antennae of male with proximal half bipectinated, 

 the distal half simple, wholly simple in female. Legs without 

 spurs. Wings long and narrow ; fore wing with the areole very 

 large ; vein 11 given off from 10. Hind wing with no bar between 

 veins 7 and 8 ; veins 4 and 5 given off separately ; the fork of the 

 veinlets in the cell of both wings broad. 



657. Duomitus niger, Moore, A. M. N. H. (4) xx, 1877, p. 348 ; id. Lep. 



Ceyl. ii, pi. 143, figs. 2, 2 a (larva) ; C. 8f S. no. 1594. 



$ . Head and thorax black, thickly irrorated with grey scales ; 

 abdomen black. Tore wing black, thickly irrorated with grey scales, 

 leaving a black patch beyond end of cell. Hind wing black, 

 irrorated with grey scales towards centre of outer area. 



Larva ochreous white ; pupa red-brown. The " Black Borer" 

 of Coffee-planters. 



Hab. Nilgiris ; Ceylon. Exp. 60 millim. 



658. Duomitus ceramicus, Wlk. Cat. xxxii, p. 587. 



Duomitus ligneus, Butl. Ann. N. H. (5) vi, p. 68 ; id. III. Het. vi, 

 pi. 108, fig. 3 ; C. $ S. no. 1599. 



Head, thorax, and abdomen pale ochreous brown, more or less 

 suffused with black ; patches of black scales at each side of meta- 

 thorax. Tore wing pale ochreous brown ; costa with some black 

 striae ; some black streaks in and below the cell ; outer area 

 marbled with black ; a large irregular whitish patch at outer angle 

 extending towards apex as a series of decreasing spots suffused 

 with black ; some black streaks beyond the cell towards apex. 

 Hind wing fuscous, slightly marbled with black ; some diffused 

 pale marks at centre of outer margin. 



Hab. Sikhim; JN"ias ; Ceram. Exp. 104 millim. 



659. Duomitus strix, Cram. Pap. Exot. ii, p. 77, pi. 145 a. 

 Zeuzera signata, Wlk. Cat. vii, p. 1537; C. fy S. no. 1597. 

 Zenzera bubo, Butl. A. M. N. H. (5) x, 1882, p. 228. 



S . Head, thorax, and abdomen black, grizzled with grey scales ; 



x2 



