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. 



S. tetrapora, new species 



Sura tetrapora, new species 



Figures 345, 713-714 



Female, 48 mm. Head, and thorax apparently black with a strong 

 blue-metallic shine (rather strongly denuded). Palpus strongly as- 

 cending, 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 pear- 

 shaped, 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. 



