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 fore- 

 wing 5 



5. Forewing with an almost vertical clavate subapical costal spot. 



P. dendrochlora, new species 

 Forewing with this spot fasciate, inwards-oblique. 



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 seg- 

 ment 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 



