XII. D, 2 Muir: Derbidse of the Philippine Islands 69 



fuscous; front and middle femora fuscous; abdomen reddish. 

 Tegmina hyaline, semiopaque with waxy secretion, basal half 

 light yellow, apical half fuscous, darkest in apical cells, a 

 small black mark at base of costal cell, four fuscous marks 

 across apical half of costal cell, a dark mark over cross vein at 

 base of last median sector; veins yellowish on basal half, red- 

 dish, bordered with yellowish, in fuscous apical half; wings 

 slightly fuscous with darker veins. Ventral edge of pregenital 

 sternite produced angularly from sides to middle; anal segment 

 small, anus at apex; a pair of short processes with a couple 

 of hairs on apex of each arises from near apex on the ventral 

 margin. 



In profile the head of this species is not produced so far as 

 in K. media Muir and is more conical; antennae as in media. 



Length, 2.25 millimeters; tegmen, 4.25. 



Luzon, Laguna, Los Baiios (Muir). 



A damaged female from Mindanao, Butuan (Baker), is simi- 

 lar to this species. 



Kaha pseudomedia sp. nov. 



Male. — Head and antennae as in Kaha leefmanii Muir. Dark 

 shiny brown, tinged with red. In lateral view the vertex, basal 

 portion of face, and a small angular mark in middle of face 

 (most distal portion of head) white, rest of head brown, darkest 

 around eye; subantennal plate and shoulder keel light; median 

 carina of pro- and mesonotum lighter ; legs light. Tegmina dark 

 fuscous; four small, angular, white marks in apical portion of 

 costal cell, the distal three being crossed by the red transcostal 

 veins; two semihyaline patches in basal median cell, another 

 in clavus, veins reddish, apical ones brightest; wings light fus- 

 cous, veins browTi, a dark mark on the cross vein which arises 

 from fourth median sector. 



Ventral edge of pygophor straight, lateral edges slightly and 

 roundly produced ; anal segment long, narrow, subparallel-sided, 

 bent ventrad at a right angle a little distad of middle; anus just 

 distad of bend, apex truncate with a minute spine at each 

 corner, straight basal portion sloping from middle to sides; 

 styles long, narrow, apices rounded and turned dorsad, ventral 

 edge subangularly produced before middle, dorsal edge produced 

 into a small process about middle, basal portion of process 

 round, with small hairs, distal portion produced into a small 

 spine. 



Female. — Posterior edge of pregenital sternite angularly pro- 

 duced from sides to middle, disk subconically produced in 



