164 U.S. NATIONAL MUSEUM BULLETIN 257 



Scaeothyris pseusta, new species 



Figures 382-383, 477, 634 



Male, 21-24 mm; liolotype, 24 mm. Head light ochreous yellow, 

 antenna dark fuscous. Palpus fuscous. Thorax dark purplish brown, 

 metathorax pale yellow posteriorly. Legs yellowish fuscous. Ab- 

 domen fuscous. 



Forewing oblong, broadly sublanceolate, costa little curved, apex 

 pointed, termen long, gently rounded, very oblique. Unicolorous 

 glossy light tawny with a slight pale fulvous tinge, faintly suffused 

 with darker tawny fuscous towards base; a minute faint fuscous line 

 along discoidal vein. Cilia brighter, light fulvous tawny. 



Hind wing whitish fulvous, with a faint vinaceous tinge, veins and 

 margin narrowly darker. Cilia light ochreous. 



Male genitalia : Tegumen and uncus symmetrical, the latter double, 

 two curved, sclerotized arms. No gnathos. Valva with a strongly 

 sinuate, membranous sacculus half and a weaker cucullus half, 

 ending in a short and knoblike, punctulate cucullus. AnneUus 

 strong, dorsaUy developed into a sclerotized and projecting roof, 

 anellus lobes rising, slender, S-shaped, tips bristly. Aedeagus huge, 

 curved dorsoventrally and also to the left side; cornuti, two slender 

 unequal streaks of fine spines. 



Material examined: Mindanao, Davao Prov., east slope of Mt. 

 McKinley, 3000 ft., 14.IX.1946 (CNHM Philippine Exped. 1946-47, 

 H. Hoogstraal), Icf, holotype, genit. slide 5790; 13 and 25.IX.1946, 

 2 cf, paratypes, genit. slide 5760. 



Superficially the species resembles Haplotinea subochraceella (Wal- 

 singham), a very common species. 



Cosmopteryginae, new status 



Key to the Philippine Genera of Cosmopteryginae 



1. Forewing with vein 6 stalked with other veins 2 



Forewing with vein 6 separate Limnaecia 



2, Forewing with 7 and 8 out of 6, 5 separate Cosmopteryx 



Forewing with 5, 7 and 8 out of 6 Pyroderces 



Limnaecia Stainton, 1851 



Limnaecia acontophora Meyrick, 1922 



Figures 233, 635 



Limnaecia acontophora Meyrick, 1922, Exotic Microlepidoptera, vol. 2, p. 573 

 (9). — Clarke, 1955, Catalogue . . . Microlepidoptera . . . Meyrick, vol. 1, 

 p. 34. 



Distribution: liuzon, Manila. 



