Platychirus. 



217 



poslerior side, after it a row of long, fine, black hairs, decreasing in 



length towards the apex; some of those at the base curved forwards 



at the end; below there are long hairs on the basal part; front tibiæ 



moderately and evenly dilated from base towards tip, the posterior 



apical corner drawn somewhat out; they are a little 



brownish on the posterior margin above the middle 



and whitish on the apical half, below they are a little 



blackish towards apex, especially at the anterior corner, 



and with a couple of small, black, transverse lines at 



the apex; they are short-haired, only at the basal half 



of the posterior margin there is a fringe of longer, 



blackish or yellow hairs; front tarsi moderately dilated 



and slightly decreasing in breadth towards the apex, 



metatarsus a little longer than the two following joints; 



the tarsi are yellow, metatarsus white on the basal 



half, a little blackish at the base below and the three 



first joints with a more or less distinct dark point 



below. The middle trochanters have short, black 



bristles at the apex; middle fem.ora with short, incon- 



spicuous, yellow hairs on the anterior side and usually 



more or fewer about the middle towards below are 



black and bristly, but these may also be wanting; on 



the postero-ventral side there is a conspicuous fringe 



of long, black or chiefly black hairs, and below some 



stronger, bristly hairs, but there are no recurved hairs 



below the apex; middle tibiæ very slightly undulated, 



with a fringe of long, somewhat curled, blackish hairs 



on the antero-ventral margin, longest towards the base, and with a 



short fringe on the postero-ventral margin in the basal half; hind 



femora with relatively long, yellow hairs on the antero-ventral side; 



hind tibiæ short-haired, with a short, inconspicuous antero-dorsal 



fringe; hind metatarsus only slightly thickened. Wings slightly to 



rather strongly brownish tinged. Squamulæ dirty whitish to brownish, 



with a yellow fringe. Balteres yellow. 



Female. FVons rather broad (but varying in breadth), æneous 

 or bluish æneous, with greyish side dust spots, connected at the eye- 

 I margins with the pruinosity on epistoma; it is pale-haired with dark 

 hairs across in front of the ocelli. Epistoma white-haired. Thorax 

 brightly shining, short-haired. Abdominal spots mainjy as in the male, 

 [the fifth segment with distinct, not small spots, slxth segment black. 

 Anterior legs yellow, hind legs coloured as in the male, but not rarely 

 much paler with only slight and faint dark markings on the middle 



Fig. 109. 



P. clypeatus d", 



right front leg 



from below. 



X 20. 



