MICROLEPIDOPTERA OF PHILIPPINE ISLANDS 109 



Agric. India, Ent. ser., vol. 11, p. 55 {Trychnostola syn.). — Clarke, 1955, 

 Catalogue . . . Microlepidoptera . . . Meyrick, vol. 2, p. 516. 

 Trychnostola Turner, 1916, Trans. Roy. Soc. South Australia, vol, 40, p. 502 

 (type species: lichenitis Turner). 



Type species: Copromorpha gypsota Meyrick, 1886 (Fiji). 



Since apparently a very old group of the Lepidoptera is concerned, 

 variability of the genital structures may be expected. This varia- 

 tion, however, in the males at least, is so great that at present the 

 genus Copromorpha seems to be heterogeneous. There are forms with 

 simple, bifid or tiifid valvae, with simple or furcate uncus. Oiu" 

 present knowledge of the group is not sufficient, though, for a sub- 

 generic division of the known species — ^unless almost every species of 

 which males are available be indicated as a type of a new subgenus; 

 this would hardly be natm-al. Discovery of additional material will 

 eventually bring a solution to this problem. 



Key to the Asiatic Species of Copromorpha 



1. Ground color of forewing dark reddish grey or fuscous 2 



Ground color of forewing yellowish green, olive green or fuscous olive 



green 3 



Ground color of forewing light, whitish ochreous or pale grey, without any 



olive or green tinge 5 



Ground color of forewing pure white, slightly dusted and further marbled 



dark fuscous C. mistharnis, new species 



2. Forewing dark reddish grey, with rows of whitish dots, edged with fuscous 



posteriorly (Fiji) C. pyrrhoscia 



Forewing fuscous (dark fuscous scales with light bases), with about seven 

 series of ochreous-yellow tufts, edged fuscous and metallic purple (Ceylon). 



C. efflorescens 



3. Forewing rather dark fuscous olive green, with several emerald green 



metallic, narrow, transverse streaks; smaller species, 14.5 mm. 



C. smaragdarcha, new species 



Forewing light yellowish green with dark markings; larger species, 24-27 



mm 4 



4. Uncus, a long and slender hook; transtilla unarmed, inverted-cardiform 



(Java) C. phytochroa 



Uncus shorter, top arrowhead-shaped; transtilla with two sclerotized lateral 

 spines (Borneo) C. bryanthes 



5. Forewing only with a blackish-fuscous large spot on base of costa, mixed 



with emerald-green scales C. dialithoma, new species 



Forewing without a basal patch or with a basal patch and other mark- 

 ings 6 



6. Forewing with distinct spots or blotches in disc 7 



Forewing without dark discal markings, whitish ochreous, with numerous 



yellowish scale tufts, edged fuscous and metallic purple (Ceylon). 



C. metallitis 



7. Large markings only costal, along anterior, or along anterior and posterior 



parts of costa 8 



Large markings either only in disc or only along posterior part of costa . 9 



