( 45 ) 



Genns Autanthema gen. nov. 



Tongue present ; frons smooth, with a slight tni't above, thinly scaled below; 

 palpi upturned, the second segment broadly scaled in front, the third pointed ; 

 antennae of <S filiform, simple, in both sexes nearly as long as forewing ; thorax 

 smoothly scaled ; the metathorax with a flattened tuft ; two small tufts on basal 

 segments of dorsum ; pectus and femora woolly ; forewing of equal width through- 

 out ; the costa curved, apex rounded, termen curved ; veins 7, 8, 9 quite shortly 

 stalked; hindwing with veins 3, 4 stalked; the coloration in the sexes different. 

 Type : ^1. dicersicolor spec. nov. 



101. Autanthema diversicolor spec. nov. 



(?. Forewing . bright olive green in basal half, crossed by a wavy white line 

 near base, and limited by a white line running from costa before middle to inner 

 margin before anal angle, angled outwards at ujjper end of cell, then sinuate, 

 vertical below 2 ; beyond this line bright blue, becoming deep blue mixed with 

 black before the white subterminal line, which forms a white blotch at anal angle 

 running out into the fringe, and is followed by a blue-black spot on costa and 

 a blue-black band below vein 6, the apex and apical fringe being white ; some 

 black terminal lunules between veins 2 and 6 ; fringe grey from 6 to 2, white above 

 and below. 



Hindwing : black ; the fringe grey, paler in apical half. 



Head, shoulders, patagia, and dorsal tufts on basal segments olive green ; 

 thorax green and white ; abdomen orange. 



Underside of both wings black with the apical fringes white. 



? . Forewing : with a deep green patch at base of costa, followed by an oblique 

 baud of pale fawn-colour speckled with green, edged by the white inner line, which 

 is angled outwards on subcostal vein, indented on median, then excurved ; outer 

 line as in the c?, but bent inwards below vein 2 to beyond middle of inner margin ; 

 the area between the lines deep green ; the area beyond outer line bright brick-red, 

 edged by the diffuse white subterminal line, which is less distinct than in the cJ, 

 and is followed by a red spot at costa and reddish baud from to 2, where there 

 are black terminal lunules ; fringe red in middle, white at each end. 



Hindwing : black ; the fringe brick-red, black below vein 2. 



Head pale green ; shoulders and patagia dull ferruginous ; thorax white tipped 

 with ferruginous orange ; the basal tufts of dorsum orange ; abdomen green overlaid 

 with yellow. 



Underside of both wings black in basal half, dull red in outer. 



Expanse of wings : S 28 mm. ; ¥ 32 mm. 



1 c?, 3 ? ? from Upper Setekwa River, Snow Mts., Dutch New Guinea (Meek). 



Genus Tridentifrons gen. nov. 



Tongne absent ; frons produced into a conical process ending in front in a 

 trifid beak ; the frons itself and the vertex above rough-haired ; palpi porrect, the 

 second segment densely rough-haired, the third short, rounded, depressed ; antennae 

 of cJ (?), of ? lamellate, with short fine bristles ; abdomen elongate ; forewing 

 elongate triangular, the costa slightly arched at base, the apex prominent, termen 

 obliquely curved, hardly crennlate ; neuratiou normal. Type : T. insuLaris spec. nov. 



