XII, D, 2 Muir: Derbidse of the Philippine Islands 89 



c'. Veins of tegmina brown; apex of male genital style forming a long, 



blunt spine turned inward pseudojavana. 



a^ Wings rudimentary, not reaching to the end of abdomen. 



d*. Antennas not longer than head and thorax together. Veins of tegmina 

 yellow; anal segment of male longer than broad, subquadrate, nar- 

 rowing to apex which is emarginate punctieosta. 



dr. Antennae distinctly longer than head and thorax together. 



e\ Three rows of black spots on dorsum of abdomen dorsopunetata. 



e". Without such black spots. 

 f^. Anal segment of male long, narrow, apex subacute; antennje 



with dark band near apex pseudopiincticosta. 



/^ Anal segment of male with rounded apex or with small emar- 

 gination. 

 g^. Medioventral process of male pygophor triangular... .flavicornis. 

 g'\ Medioventral process of male pygophor lanceolate. 



pseudoflavicornis. 



g^. Medioventral process of male pygophor spatulate with acute 



apex staii. 



Peggiopsis dorsimaculata sp. nov. 



Male. — Wings reaching beyond apex of abdomen; antennse 

 about as long as head and thorax together, flattened, sense 

 organs most numerous along the raised edges. Ochraceous, 

 thorax slightly fuscous, abdomen lighter, antennse yellow with 

 red sense organs, the second to sixth abdominal tergites each 

 with a row of raised black spots (sense organs?), anal segment 

 tinged with red. Tegmina hyaline, very slightly fuscous, sub- 

 costa, radius, and media red, median sectors and cubital veins 

 brown, fuscous over basal portion of costal and radial cells, 

 darker fuscous over radial cross vein, base of sectors, apex of 

 third sector, and subcostal cell; wings fuscous hyaline with 

 brown veins. 



Medioventral process of pygophor lanceolate, the length about 

 twice the breadth; anal segment lanceolate, length about four 

 times the width, apex blunt, apical third turned ventrad; anus 

 about one third from base, dorsal surface longitudinally ridged 

 from base to anus; genital styles reaching to bend in anal 

 segment, base narrow, wide distad of middle, ventral edge 

 sinuate, a carina near, and parallel to, ventral edge, dorsal edge 

 roundly ampliate on apical two thirds, a small transverse carina 

 between dorsal edge and ventral carina, apex narrowly truncate, 

 the corners forming broad points, those on the right styles more 

 pronounced than those on the left. 



Female unknown. 



Length, 4 millimeters; tegmen, 13. 



Mindanao, Davao (Baker). 



