THE PHORIDAE OF FORMOSA. 
553 
removed from the wing tip as is the tip of the fifth ; fifth and sixth 
veins weakly sinnate ; seventh nearly straight. Halteres testaceous. 
Described from a single specimen taken at Polisha, during Decem¬ 
ber, 1908. 
This is a very stout-bodied species with rather large wings. 
Aphiochæta recta n. sp. 
Female. Length 1*75 mm. Black, the mesonotum piceous, the legs 
varied with brownish testaceous and the wings faintly brownish. Front 
quadrate, black, somewhat grayish pollinose ; median frontal line deeply 
impressed and ocellar tubercle present. Middle of lower frontal margin 
with two large proclinate bristles and a more approximate pair of very 
minute ones just below these. Bristles of next row above reclinate, 
forming a pair at each anterior angle of the front, placed close together 
near the anterior edge, the lateral one almost touching the eye. Middle 
row of four equidistant bristles forming a straight transverse line, with 
the lateral bristles very near the eye margin ; ocellar row as usual, its 
bristle moderately large. Àntennæ rather small, rounded, piceous, with 
a densely pubescent arista distinctly longer than the head-height. Palpi 
deep yellow, small, cylindrical, with a few large bristles apically and 
small ones along the underside. Cheeks each with two stout downwardly 
directed macrochætæ. Postocular cilia slender, not enlarged. Mesonotum 
piceous, clothed with sparse brown recumbent hair and fringed on the 
lateral margin by several stout macrochætæ ; one pair of small dorso- 
central macrochætæ. Scutellum long, less than twice as wide as long, 
with a single pair of stout marginal bristles. Mesopleura entirely bare. 
Coxæ and front legs brownish yellow; middle and posterior femora 
piceous. Legs slender none of the tarsi noticeably thickened; middle 
and posterior tibiæ weakly setulose, the setulæ forming a single line 
just inside the posterior edge of the tibia. Wings hyaline, with a slight 
brownish tinge ; costal vein reaching somewhat beyond the middle of the. 
wing, its bristles rather short and moderately densely placed. First vein 
ending midway between the humeral cross-vein and the tip of the 
second; second entering the costa its own length before the apex of 
the latter and forming a moderately large cell at the furcation ; fourth 
vein not strongly curved, more distinctly so at the base and indistinctly 
recurved at the extreme tip ; fifth vein slightly sinuate ; wing tip 
midvay between the apices of the fourth and fifth veins ; sixth vein 
strongly sinuate ; seventh less distinctly so. Halteres pale brown, darker 
on the pedicel. 
