110 U.S. NATIONAL MUSEUM BULLETIN 25 7 



8. A subrectangular transverse blotch on costa at 3/4, a broad terminal band; 



ground color whitish ochreous (New Guinea) . . . . C. lignisquama 



No large blotches along posterior part of costa, no terminal band. Ground 



color white (Fiji) C. gypsota 



9. More than one larger dark spot in disc 10 



Only one larger dark patch or suffusion in disc 11 



10. Some four discal spots of diverse size; very large species (36 mm) (Solomon 



Is.) C, tetrarcha 



About 16 raised big scale tufts, edged with whitish and with metallic violet. 

 A species of moderate size (16-18 mm) (India) C. myrmecias 



11. Small dark fuscous or blackish irregular dots along costa in 2-3 transverse 



rows beyond cell and raised tufts along edges of cell 12 



No raised dark tufts along edges of cell 13 



12. Transtilla circular, with two pairs of sclerotized or spined cusps (Assam). 



C. pleurophanes 



Transtilla, two semicordiform plates, with only one pair of sclerotizations 



(Java) C. roepkei 



13. An invert-trapezoidal well-defined dark patch in center of disc, a dark streak 



along basal third of dorsum (New Ireland) C. nesographa 



Discal patch irregular, no dorsal streak 14 



14. Antenna in both sexes lamellate (Solomon Is.) C. thrombota 



Antenna in cf unipectinate (2>0, in 9 stout, serrulate (New Guinea). 



C. narcodes 



Copromorpha smaragdarcha, new species 



Figures 137, 572 



Male, 14.5 mm. Head light ochreous. Antenna light ochreous, 

 banded with brown above (imperfect). Palpus with median segment 

 roughly edged below, terminal segment over 1/2; dark fuscous olive, 

 median segment with a light ochreous apical ring, terminal segment 

 whitish, with a dark fuscous-oUve median ring. Thorax olive, paler 

 at apex (abdomen mounted). 



Forewing ovate-sub truncate, dilated, broadest at 2/3, costa little 

 curved at extreme base, straight along 2/3, gently angulate and promi- 

 nent at that point, last third slightly slanting but little curved, apex 

 broadly rounded, termen rounded, vertical. Greenish olive, indis- 

 tinctly spotted and clouded with fuscous-green tinge, more distinct 

 in certain lights; indication of raised tufts of scales, especially along 

 the closing vein; posterior fourth of wing less olive, more fuscous- 

 brown tinged; costa with a suffused dark olive-green-fuscous streak, 

 becoming paler posteriorly; four small sub triangular white spots along 

 posterior third of costa, first of these ill defined; seven or eight slender 

 unequally spaced, undulating transverse streaks of shining emerald 

 green and prismatic scales, irregular, partially obliterate, some of them 

 interconnected; smaU tufts of blackish-fuscous scales on veins, forming 

 an irregular somewhat zigzag transverse band halfway between cell 

 and termen. Cilia dull dark greyish fuscous with little contrasting 

 basal, postmedian, and subapical fuscous-olive lines. 



