Zygaenidae from Sumatra, Ceram, and Neiu Guinea 275 



blue. Abdomen dark metallic green. Legs black, scaled with metallic 

 blue. 



Length of fore wing : 17 mm. 



Dutch New Guinea : Mount Kunupi, 6,000 feet, November to 

 December, one S . 



8. Eterusia semiflava sp. nov. 



Allied to risa Doubl., but with basal half of both wings yellow in 

 the ? . 



? . Upperside with proximal half primuline yellow (xvi), distal half 

 black. Yellow area of fore wing sharply defined, ending well before 

 vein 2 ; in two specimens with some brown basal scaling, leaving a 

 narrow band of yellow. Veins in distal half striped with Brussels 

 brown (iii). Hind wing with yellow area angled outwards at 

 vein 4. 



Underside of fore wing with basal yellow half and blue-black distal 

 half. A yellow discoidal spot. Hind wing with distal area greenish- 

 yellow, bearing blue-black spots ; one in end of cell and produced 

 apically, its upper edge parallel to costa, a small spot near base of 

 cellule 4, a larger one in 3, and a still larger one in 2, a streak behind 

 vein 2, and a more distal spot in lc. 



Head and antennae black ; basal segment of antennae, palpi, and 

 vertex dark metallic blue-green ; collar narrowly red, edged with black 

 and dark metallic blue. Thorax dark metallic blue- green, patagia 

 yellow. Abdomen deep blue ringed with yellow-white. Legs fuscous, 

 femora dark metallic blue, 



Length of fore wing : 20 mm. 



S.W. Sumatra : Mount Korintji, 7,300 feet, August to September, 

 1921, five 2 ? . 



9. Eterusia picturata sp. nov. 



Distinguished by the brilliant metallic-blue proximal area of the 

 hind wing. 



3- . Upperside of fore wing Vandyke-brown (xxviii), crossed by a 

 narrow pale-yellow band from costa before the middle to just before 

 the lower submedian, bent distad at lower edge of cell, and narrowing 

 posteriorly. Hind wing with proximal half metallic cerulean-blue (viii) 

 to upper edge of cell and base of vein 2, slightly invaded by the black- 

 brown colour on the submedian and separated by a black line from a 

 discal broad band of mustard-yellow (xvi). The yellow discal band 



