XII, D, 2 Muir: Derbidse of the Philippine Islands 61 



secretion, yellowish, veins darker; wings fuscous with darker 

 veins, opaque with waxy secretion. 



Pregenital sternite short at sides, median third of posterior 

 edge produced into lanceolate process reaching a third from apex 

 of styles; anal segment short, broadly lanceolate, not reaching 

 to apex of genital styles, anus in middle. 



Length, 2.5 millimeters; tegmen, 4. 



Palawan, Puerto Princesa (Baker). 



Genus LAMENIA Stal 



Lamenia albicosta sp. nov. 



Female. — Vertex slightly longer than wide, subantennal pro- 

 cess forming a semicircular plate. Dark fuscous brown or 

 black ; antennse, subantennal plate, clypeus, rostrum, and a broad 

 posterior margin on pronotum yellow; legs and abdominal ster- 

 nites light brown, front femora and bands on front tibiae fus- 

 cous. Basal half of tegmina fuscous, apical half fuscous on 

 veins extending into cells, a white band along costa widening 

 at end of costal cell. 



Pregenital sternite with median third of posterior edge slightly 

 produced, apex of production truncate. 



Length, 2.75 millimeters ; tegmen, 5. 



Luzon, Tayabas, Mount Banahao (Baker). 



Lamenia bakeri sp. nov. 



Male. — Dark shining brown or black, antennae, legs, and base 

 of abdomen lighter, first and second tibiae with fuscous bands. 

 Tegmina dark, shining brown or black, a long yellowish spot on 

 costa at end of costal cell with a dark spot in the middle of it. 



Ventral edge of pygophor straight, lateral edges angularly 

 produced; anal segment large, length about three times the 

 width, anus in basal third, sides subparallel to about middle then 

 gradually converging to the obtusely pointed apex, in lateral 

 view ventral edge straight; genital style long, narrow, curved 

 upward, sides straight on basal half then gradually narrowing 

 to the acutely pointed apex ; a small, sharp spine arises from the 

 inner surface near the base. 



Length, 3 millimeters; tegmen, 4. 



Female. — Similar to the male in color and size. Posterior 

 edge of the pregenital sternite slightly produced from sides to 

 middle third, which is produced into a subconical process with 

 an obtuse apex and a slightly constricted base and with its disk 

 raised into a small round knob. 



Mindanao, Davao (Baker). 



