Bulletin - United States National Museum

228 U.S. NATIONAL MUSEUM BULLETIN 25 7
Distribution: Mindanao.
The type specimen is in the British Museum.
Sura Walker, 1856
Key to the Philippine Species of Sura
1. Deep metallic blue; hindwing with hyaline patches forming a continuous
marginal band from base to apex
S. cyanolampra, new species
Metallic blue green; hindwing with hyaline patches only on basal half.
Female, 48 mm.
Sura tetrapora, new species
Figures 345, 713-714
S. tetrapora, new species
Head, and thorax apparently black with a strong
blue-metallic shine (rather strongly denuded). Palpus strongly ascending,
basal segment brushy, black, median and terminal segments
with appressed scales, grey mixed with whitish scales. Antenna
tawny-fuscous, apex below tinged light fulvous tawny. Abdomen
brilliant metallic blue black, posterior edge of second segment laterally
narrowly slate grey, anal tuft apparently purple (rubbed), venter
yellow. Legs purple (rubbed).
Forewing very narrow and long; purple black, rather dull, dorsum
from beyond base to above lower edge of cell suffused with brilliant
blue green, this color beyond cell extended and occupying entire wing
breadth, limited by vein 10 and by a rounded purple-black dull patch
beyond cell which extends 1/4 distance between cell and termen and
does not descend below vein 4; a narrow small hyaline streak below
cell from beyond base (cilia entirely missing).
Hindwing brilliant violet blue with green gloss in certain lights,
base of wing dull purple black, hyaline spots extended, glossy, very
pale yellow; first in cell, from base to just before base of vein 2, end
elliptical; second between fold and vein Ic, from base to well beyond
middle of this vein, end rather pointed; third below fold, from well
beyond base, to before middle of fold, end truncate; fourth between
lb and margin, from well beyond base to 2/3 of this vein, end pointed.
Female genitalia: Ovipositor small but strong. Postapophyses
with a narrow basal third. Eighth segment strongly sclerotized,
lower edge forming dark rods, sternite slender, top rounded, flanked
by long narrow longitudinal folds. Ostium biu-sae not modified.
Colliculum, a small dark cup. Corpus bursae large, elongate pearshaped,
simple.
Material examined: Luzon, Prov. Limay, Bataan, XI.1924 (B.C.
Clark), 1 9, holotype, genit. slide 5304. Characteristic by the hyaline
streaks in the forewing, by the foiu* hyaline fields in the hindwing
and by the big size.