110 The Philippine Journal of Science im 



with a broad whitish spot toward the middle. Pleurae with a 

 rounded whitish spot between the last two pairs of coxse. Scu- 

 tellum black ; mesophragma with a less distinct yellowish spot on 

 each side. Halteres black, with the stalk yellowish toward the 

 base. Abdomen with the pale crossband on the second seg- 

 ment as in P. suspirans, but besides with a broad yellowish band 

 on the hind borders of third and fourth (in the male narrowly 

 interrupted in the middle, in the female divided into two spots) ; 

 also a smaller yellow spot on each side of fifth segment. On the 

 venter all the segments after the second one with a broad yellow 

 band at the hind border or a broad spot on each side; last seg- 

 ment in the male produced in the shape of a long, conical yellow 

 protuberance. Male genitalia black and black-haired above, dark 

 yellowish pilose below, with a yellow, longitudinal, middle stripe 

 and two yellow tubercles at tip below. Ovipositor black, the 

 terminal lamellae dark yellow at tip. Hind femora in male 

 narrowly, in female with the basal half, yellow. Wings as in 

 P. suspirajis ; the triangular whitish spot at base of the two 

 basal cells more developed ; the first posterior cell usually stalked 

 at base. 



Luzon, Laguna, Los Banos and Paete (Baker). 



106. Pselliophora prsefica sp. nov. 



An entirely black species, with unicolorous legs and wings. 



Male. — Length of body, 15 millimeters; of wing, 16. Head 

 black, but the underside of rostrum and a broad border at the 

 hind margin of eyes reddish yellow ; palpi black and black-haired ; 

 antennse entirely black, with the appendices of flagellum provided 

 with scanty dark pubescence. Thorax entirely black even on 

 collar, scutellum, and mesophragma; dorsum rather opaque, 

 pleurae shining; the rather long hairs on postalar calli and 

 scutellum black. Halteres black, with black pubescence on the 

 stalk. Abdomen entirely black, even on center, with rather long 

 black pubescence; genitalia entirely black and black-haired. 

 Legs entirely black, even on the coxae, and black-pubescent, hind 

 femora distinctly thickened. 



Wings uniformly darkened, with strong metallic reflections; 

 squamae black ; basal pubescence of the axillary angle long, soft, 

 and black. Veins black, but the basal vein of the discoidal cell 

 appears whitish or somewhat light in color; first posterior cell 

 sessile at base; fourth posterior cell short, much narrowed at 

 end, more than twice as broad at base as at end. 



Mindanao, Butuan (Baker). 



