THE PHÖKIDAE OE FORMOSA. 
533 
long as the width of the head. Palpi clear yellow, large and projecting, 
compressed and with long stout bristles apically. Proboscis very thick 
and stout, heavily chitinized; nearly as long as the headheight. Thorax 
rather slender, narrowed behind, its surface quite shining ; along the 
sides of the mesonotum with unusually stout macrochætæ. One pair of 
dorsocentral macrochætæ and four marginal scutellar bristles ; the scu- 
tellum very transverse and evenly arcuate on its posterior margin. 
Abdomen bare, opaque ; second segment elongated, without bristles at 
its sides. Ovipositor pale testaceous, thickly hairy. Legs slender, the 
posterior femora not or but slightly thickened. Anterior coxæ elongated, 
almost as long as their femora, yellowish brown in front and piceous 
behind ; femora piceous 
externally, but remainder 
of front legs brownish, 
their tibiæ each with an 
external bristle at the 
middle. Middle legs brown, 
the coxæ and femora 
except tips, piceous ; tibiæ 
each with a pair of bris¬ 
tles at the basal third 
and another smaller sin¬ 
gle bristle before tip ; the hind surface of the tibia on its apical third 
furnished with overlapping rows of decumbent bristles. Hind legs black, 
except knees and tarsi which are honey-yellow ; each tibia with two single 
bristles just external to the hind edge, one at the basal third and the 
second barely beyond the middle. Wings (fig. 2) hyaline, with their 
extreme tips distinctly infuscated ; veins black. Costa barely exceeding 
the middle of the wing, its cilia very short and fine, but not so very 
closely placed ; first vein ending distinctly, but not much closer to the 
tip of the third, than to the humeral cross-vein ; third vein bare, its 
fork close to the tip and very weakly divergent so that the second vein 
ends close to the third and forms a very narrow cell ; fourth vein with 
a moderate curve toward its middle and broadly recurved at apex ; fifth 
and sixth diverging and nearly straight ; seventh curved to follow the 
edge of the wing. Halteres black, yellow at extreme base. 
One specimen from Chip Chip, January 1909. 
This species approaches closest, perhaps, to the European Ph. ab¬ 
dominalis Fall, and Ph. curvinervis Becker, and like the former has 
reddish color on the abdomen. From both it differs in the pedal chæto- 
taxy, from the former by the color and venation of the wings, and 
