Bulletin - United States National Museum

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 yellow
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 outwards-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 narrowed.
Cucullus semioval, with a smooth terminal ridge, covered
with short spinules. Aedeagus large and thick, with numerous transverse
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, asymmetrical,
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