Bulletin - United States National Museum

MICROLEPIDOPTERA OF PHILIPPINE ISLANDS 223
Male genitalia: Tegumen slender. Uncus recurved, very long,
lobes veiy slender, beset with bifid bristles. Gnathos lobes short.
Subscaphium slender and long. Saccus moderate, top truncate.
Anellus boat-shaped, sclerotized along edges, top obtusely pointed.
Valva oblong-semioval, acutely pointed, costa gradually curved;
valva covered with bifid bristles,
except basal half of sacculus; these
bristles becoming very dense towards base. Process of sacculus
rather large, at 1/3, densely spined. Aedeagus long and slender, top
denticulate.
Material examined: Luzon, Sorsogon, 1 cf, genit. slide 5300,
holotype (USNM).
Synanthedon sphenodes, new species
Figures 350, 704-705
Male, 15 mm. Head with face snow white, a dense flat tuft on
vertex shining metallic blue green, projecting between antennae
over face. Antenna black, yellowish below (flagellum broken).
Palpus slender, rather long, obliquely ascending and little curved,
terminal segment long, obtusely pointed; pale yellow, laterally suffused
with light purplish. Thorax piu-plish, patagia bright coppery
bronze, plem-a pale yellow, pecten and coxae mixed with dark grey.
Legs bright shining pm-ple, mixed with yellow; anterior coxa yellow,
internal edge dark grey, anterior tibia suffused with yellow except
a subapical piu^ple ring; median and posterior coxae dark grey, femora
dark piu"ple; median tibia yellow with a piu-ple apical thu-d and
piu-ple- suffused knee; posterior tibia with narrow median and apical
whorls of yellow bristly scales: spurs yellowish internally. Abdomen
purple, dorsum with a strong indigo-blue shine, sternites 1-3 pale
yellow, segments 3 and 5 with narrow posterior lines, sternites of
other segments with golden-yellow posterior bands; valvae whitish;
anal lateral tufts very large, flat, black.
Forewing narrow, costa before apex obliquely rounded. Dark
purple. A triangular piu"ple spot on extreme base; costa with a
streak as far as cell and vein 9; posterior half of terminal area pale
ochreous, more or less densely strewn with deep pm'ple, less densely
between veins 5-7; a narrow band along dorsum; a line along lower
edge of cell;
terminal veins blackish purple; a rather broad, slightly
inwards-oblique and gently narrowed black-purple band along discoidal
vein. Remaining parts of wing colorless hyaline, being the
cell, a narrow subbasal area, and five slender cells beyond discoidal
vein, viz., below stalk of veins 7 + 8, 6, 5, and 4, respectively; upper
of these cells longer, top slender and rounded, three following cells
equal, tops obtuse, lower cell broadest, shorter, and truncate. Under-