120 U.S. NATIONAL MUSEUM BULLETIN 257 



Metathrinca sinutnbra, new species 



Figures 163-164, 590 



Male, 18 mm. Head, palpus, and thorax snow white; palpus rather 

 long, sickle-shaped, terminal segment just over 1/2. Antenna bipecti- 

 nate, pectinations long-ciliate, inner pectinations 5, outer 3; white, 

 scaled above, pectinations blackish, cilia white. Abdomen whitish. 



Forewing suboval, rather broad, costa straight in middle, apex 

 and termen rounded. Glossy snow white, edge of costa along basal 

 sixth very narrowly dark brown. Ciha snow white. 



Hindwing and cilia snow white, thinner scaled. 



Male genitalia: Tegumen sclerotized, bilobed, lobes triangular. 

 Gnathos strong, arms dilated at base, hook broad, truncate. Valva 

 moderate, obliquely truncate, cucullus moderately pointed. Harpe, 

 a little curved long hook with dilated and hairy base. Anellus large, 

 dilated before base, aedeagus little curved, cornutus a single stout 

 spike. 



Material examined : Luzon, Benguet Subprov., Klondyke, 800 ft., 

 22.III.1912 (A.E. Wileman), 1 cf, holotype, genit. slide 4693 (BM). 

 Allied to Metathrinca iridostoma, new species, but with white palpi 

 and different genitalia. Tips of wdng of the unique specimen are 

 damaged. 



Odites Walsingham, 1891 



Key to the Philippine Species of Odites 



1. Forewing with veins 3 and 4 stalked O. brachyclista 



Forewing with veins 3 and 4 separate 2 



2. Forewing rounded, with apex indefinite 3 



Forewing pointed 5 



3. Pale creamy yellowish; discal stigma black 4 



Pale ochreous; discal stigma orange or brownish O. pancyclia 



4. Antennal pectinations 5, flagellum and pectinations blackish or brownish; 



median segment of palpus thickened, spindle-shaped; hindwing cilia dark 



around apex O. periscias 



Antennal pectinations 4, flagellum and pectinations whitish, pale brownish in 

 certain lights only; median segment of palpus less thickened, less distinctly 

 spindle-shaped; hindwing cilia light around apex. 



O. homocirrha, new species 



5. Forewing with vein 8 to costa just before apex, 7 and 8 longer than their 



stalk O. apicalis, new species 



Forewing with vein 8 to costa well before apex, 7 and 8 as long as their 

 stalk 6 



6. Veins 2 and 3 in forewing connate; thorax pale ochreous. 



O. perissa, new species 

 Veins 2 and 3 remote; thorax blackish . . O. perissa atrimersa, new variety 



