MICROLEPIDOPTERA OF PHILIPPINE ISLANDS 125 



with a dilated base and a few bristles, median sublanceolate, and 

 dorsal acute. Anellus not developed. Aedeagus rather long, but 

 weak. 



Timyridae 



Key to the Pliilippine Genera of Timyridae 



1. Forewing with a subdorsal groove in cf , scaled from base to tornus; labial 



palpus with median segment bearing a dense projecting tuft of scales. 



Frisilia 



Forewing without such groove; labial palpus with median segment sometimes 



thickened, but if tufted, then flagellum of antenna dilated 2 



2. Labial palpus in male sometimes strongly tufted, with an apical pencil of 



hairs; antenna in male with flagellum dilated, in female thickened with 



scales Tisis 



Not thus 3 



3. Hindwing with apex strongly narrowed, forming a slender process 1/3 the 



length of wing, termen rectangularly bent below this .... Placanthes 

 Hindwing with apical third not so much narrowed 4 



4. Forewing with vein 3 separate Homaloxestis 



Forewing with vein 3 stalked with 2 or absent 5 



5. Antenna 3/4 Prosodarma 



Antenna 1 or over 1 6 



6. Head smooth, shining; posterior tibia with a more or less distinct triangular 



stiff tuft above wing; light yellow with bluish-leaden markings. 



Canthonistis 

 Not thus Lecithocera 



Tisis Walker, 1864 



Tisis aiiricincta, new species 



Figures 158, 199, 598 



Male, female, 21-26 mm. Head in male dark purple brown, ver- 

 tex, collar and thorax light fuscous, face yellow. Antenna in male 

 with scape slightly thickened, flagellum along basal part strongly 

 dilated and flattened into an ellipse, thence gradually attenuated; 

 deep purple, becoming brownish posteriorly, a white band at about 

 2/3. Palpus in male with terminal segment very long, recurved and 

 ending in a long expanded pencil of hairs; light yellow, pencil purple 

 fuscous mixed with pale yellow, terminal segment outwardly and 

 externally with a well-defined streak of brilliant metallic green silver. 

 Head in female purple greenish, shining, face yellow. Antenna in 

 female with scape slender, elongate and clavate, flagellum thickened 

 with roughly appressed scales except toward tip which is slender; 

 scape light tawny with top anthracite black, with leaden shine, 

 flagellum anthracite black, leaden brilliant above, deep purple with 

 green and blue reflections in certain lights, top white. Abdomen in 



