126 U.S. NATIONAL MUSEUM BULLETm 257 



male dark brown, anal tuft pale fuscous, touched with ochreous 

 laterally; in female abdomen bronze brown. Pleurae of thorax 

 polished brilliant black. Anterior leg in male deep purple; coxa and 

 femur elongate, flattened; tibia with a thick, triangular flat patch of 

 purple-metallic scales, with anthracite-greenish shine; median leg yel- 

 low at base and below, above black with brilliant greenish shine; 

 posterior tibia and first joint of tarsus elongate, thickened with 

 roughish, dark brown hairs, purplish in certain lights. Legs in female 

 yellow, partly suffused with deep purplish brown, with small patches 

 of shining scales. 



Forewing oblong-suboval, rather narrow, dilated along basal third, 

 costa curved anteriorly, less curved posteriorly (more so in male), in 

 female slightly concave in middle, apex obtusely pointed, termen 

 gently curved, little oblique. Deep purple, posteriorly strewn with 

 metallic purplish scales with prismatic reflections in certain lights. 

 Markings yellow. A slender median transverse band, slightly out- 

 wards-oblique, gently outwards-convex, gradually dilated downwards; 

 a narrow marginal streak along posterior fifth of costa, in apex and 

 along termen to tornus, along lower half twice as broad. Cilia dark 

 purplish brown. 



Hindwing deep bronze brown, in male costal half light grey fuscous; 

 a narrow line of yellow dusting around apex and along termen. Cilia 

 dark bronze brown. 



Male genitalia: Tegumen moderate, appearing hexagonal. Uncus, 

 the usual beaked hook. Valva moderately broad; costa with an 

 elongate prominence at base; harpe, a longitudinal small ridge of 

 denticulations below and before middle of costa. Sacculus 1/2, 

 sclerotized, with basal third slightly prominent, top gradually nar- 

 rowed. Cucullus semioval, with a smooth terminal ridge, covered 

 with short spinules. Aedeagus large and thick, with numerous trans- 

 verse folds or ridges (or cornuti?). Anellus lobes unequal, left shorter 

 and rounded at top, right longer, siclde-shaped. 



Female genitalia: Ninth segment sclerotized. Ostium wide, asym- 

 metrical, lameUa postvaginalis with small verrucose folds, lamella 

 antevaginalis only at the right side with a narrowed dark sclerite. 

 Ductus bursae short, coiled; corpus bursae small; signum stellate. 



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

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

 H. Hoogstraal), 1 cf, holotype, genit. slide 5741; 19, allotype, genit. 

 slide 5742; 1 9, paratype. 



Canthonistis Meyrick, 1922 



Canthonistis Meyrick, 1922, Zool. Meded., vol. 7, p. 82; 1925, in Wytsman, 

 Genera Insectorum, fasc. 184, p. 212 — Fletcher, 1929, Mem. Dept. Agric. 

 India, Ent. ser., vol. 11, p. 39. — Gaede, 1937, in Bryk, Lepidopterorum 



