276 U.S. NATIONAL MUSEUM BULLETIN 25 7 



without a crest. Posterior tibia in female with thin and long, smoothly 

 appressed hairs above. 



Forewing rather broad, oblong-ovate, apex and termen rounded. 

 All veins present, lb furcate, 2 from about 1/3, 3 from 1/6, 4 from angle, 

 7 and 8 out of 9, 7 to termen, 11 from middle, cell rather narrow. 



Hindwing elongate-suboval, 1, cilia 1/2. Vein 2 from just beyond 

 middle of cell, 3 from 3/4, 4 from angle, 4-7 parallel, discoidal vein 

 receding above base of vein 6, a parting vein in cell, single, to base of 5. 



Type species: Exaxa rectilinea, new species. 



Very distinct by peculiar neuration. 



Exaxa rectilinea, new species 



Figures 438-439, 465-466, 771 



Female, 22.5 mm. Head pale yellow. Antenna pale yellow, finely 

 ringed with brownish. Palpus pale yellow, upper edge of basal and 

 median segments brownish, spines black. Thorax deep fuscous 

 yellowish, with broad lateral edges pale yellow, a rounded large pale 

 yellow apical patch. Abdomen light ochreous. 



Forewing elongate-oval, costa gently curved anteriorly, straight in 

 middle, strongly curved before apex, apex rounded, termen rounded, 

 oblique and very short. Pale ochreous yellow, markings formed by 

 dark fuscous, bro^vnish, and fuscous-yellomsh dusting. Base of costa 

 with a moderate dark fuscous suffused spot, rather irregular, with lower 

 edge extended as an irregular streak or area of sparse dark brown dust- 

 ing above cell; posterior half of cell with an anteriorly attenuated 

 streak with a dark brown spot on end of cell, the streak not exceeding 

 one- third of cell mdth; this streak connected posteriorly by a lighter 

 and less dense suffusion with upper half of termen, and not exceeding 

 vein 6; an irregular streak from cell to apex, between veins 6 and 7; 

 irregular bands of fuscous-brownish dusting along costa before apex 

 and along posterior half of dorsum, respectively; a broader streak 

 along fold from base to middle of wing, at base irregularly dilated and 

 more or less extended along and above anterior part of dorsum. 

 Cilia pale yellow, irrorated vnth dark fuscous, a more or less inter- 

 rupted subbasal dark fuscous band. 



Hindwing pale golden yellow, suffused with pale piu^plish fuscous. 

 Cilia glossy pale golden yellow. 



Female genitalia: Ovipositor very long and slender. Sterigma 

 hardly modified, indication of an oval plate. Colliculum apparently 

 a slender long tube. 



Material examined: Luzon, Mt. Makiling (Baker), 1 9, holotype, 

 genit. slide 5293 (USNM). 



