Bulletin - United States National Museum

74 U.S. NATIONAL MUSEUM BULLETIN 25 7
the most pronounced Papuan element in the present collection—and
with it,
in the microlepidopterous fauna of the Philippines.
Key to the Philippine Species of Peridaedala
1. Forewing with ground color ochreous orange ... P. crocoptila, new species
Forewing with ground color green 2
2. Forewing with black markings 3
Forewing with not only black markings 4
3. Forewing with numerous rounded spots . ... P. melanantha, new species
Forewing with several partly furcate short and narrow strigulae.
P. stenoglypha, new species
4. A small species (13 mm), with a narrow pale green forewing and a thickened
costal fold reaching to beyond middle .... P. physoptila, new species
Larger species (19-21 mm) with a moderately broad, deeper green forewing
5
5. Forewing with an almost vertical clavate subapical costal spot.
Forewing with this spot fasciate, inwards-oblique.
P. dendrochlora, new species
P. thylacophora, new species
Peridaedala dendrochlora, new species
Figures 86, 544-545
Male, 19-21 mm. Head whitish green. Antenna tawny, finely
ringed with pale ochreous, base of flagellum with a moderate notch,
suffused with blackish, scape whitish. Palpus whitish, median segment
touched with orange, with a jet-black elongate, wedge-shaped
longitudinal mark towards middle of upper edge, basal segment with
black tip; palpus long, porrected, apical segment slender, obtuse,
slightly drooping, long. Thorax whitish green, mixed with light
olive green, center whitish, apex deep ochreous tawny. Abdomen
pale slate grey, towards base becoming touched with ochreous, pencils
of long blackish hair-scales along sides,
directed caudad.
Forewing elongate-subtruncate, dilated, costa with a moderately
broad, thickened fold to 1/2, moderately curved along this fold, less
curved posteriorly, apex pointed, termen sinuate, concave above,
abruptly rounded beneath.
Pale moss green, markings well defined,
blackish brown, on the inside narrowly edged with black, on the outside
broadly edged with glossy greenish white. Costal fold unmarked,
tawny, becoming darker at base, along extreme costal edge black;
dark markings shaped as follows: a small vertical lozenge beyond
base, a vertical pair of larger semioval spots beyond 1/4; a crescentic
mark from 3/5 of costa, lower portion dilated and semioval, directed
basad and fdling out upper part of posterior third of cell, a long
wedge-shaped process below costa posteriorly; a smaller crescentic
spot below preceding, parallel to cell; a round spot beyond end of cell;
a dot below end of fold, three equidistant marks on posterior fourth