MICROLEPIDOPTERA OF PHILIPPINE ISLANDS 105 



in certain lights, a creamy transverse antemedian streak, an oblique 

 dark fuscous lateral streak on each side, tips of tegulae and tufts on 

 metathorax white. Abdomen glossy whitish ochreous. 



Forewing with veins 3 and 4 stalked, 8 and 9 stalked ; oblong sub- 

 triangular, costa gradually curved throughout, apex pointed, termen 

 sinuate, oblique. Whitish, densely suffused with pale tawny and 

 slightly dusted with dark fuscous; markings dark brown. Two small 

 distant spots at base of costa connected by darker suffusion; a third, 

 larger costal dot at 2/5 ; three smaller, more approximated dark brown 

 dots along third fourth of costa, and three or four suffused and faint 

 grey dots along posterior fourth; an inwards-oblique slender transverse 

 crest in disc beyond base; a patch of irregular dark markings and 

 crests in posterior two-thirds of cell, becoming paler and suffused 

 posteriorly; anterior edge of this patch formed by two small, high, 

 semilunar transverse crests, concave outwardly, one in cell, another 

 below ceU; an irregular dark brown terminal line from apex to tornus. 

 Cilia greyish creamy tawny. 



Hindwing with veins 3 and 4 stalked ; glossy ochreous white. Cilia 

 ochreous white. 



Male genitalia: Tegumen broad, cylindrical, ventrally a long curved 

 bristly "socius-lobe" and below this another, small, narrowed "gnathos 

 lobe". Uncus strong slender, little hooked. Saccus large, triangular. 

 Valva with sacculus part dilated and oval, concave, to 1/3, top form- 

 ing a sclerotized blunt knob, separated by a split; cucuUus very slender, 

 clavate, with a moderate transverse not modified ridgelike fold at 

 base. Aedeagus rather short, spoon-shaped, body broad, oval, con- 

 cave, with a thick fringe of bristles along apical haff, stalk slender. 



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

 McKinley, 5600 ft., 16.IX.1946 (CNHM Phmppine Exped. 1946-47, 

 H. Hoogstraal), 1 cf, holotype, genit. slide 5738; same locality, 

 14.IX.1946, 1 cf , paratype, without abdomen. 



Meridarchis oxydelta, new species 



Figures 138, 143, 581 



Female, 24.5 mm. Head creamy white. Antenna brown, scape 

 mixed with creamy white. Palpus long, subascending along basal 

 half, porrected posteriorly; dark brown, less than apical half of median 

 segment creamy white, sprinkled with dark brown, terminal segment 

 creamy, slightly sprinkled with brown, flattened laterally, obtuse, oval. 

 Thorax creamy, in center and along edge slightly suffused with 

 brownish. Abdomen creamy, laterally dark brown by more or less 

 confluent dark brown transverse stripes. 



Forewing oblong, rather narrow, moderately dilated, costa gently 

 curved at base, little curved posteriorly, apex pointed and produced, 



