154 



Syi'phidae. 



Fig. 76. Head of C. honesfa d. 



side below the antennæ and with longish, pale hairs on the sides; it 

 is hollowed below the antennæ, the central knob rather prominent 

 but not large, somewhat pointed, and between it and the mouth edge 



the epistoma somewhat hollowed; it is 

 slightly descending and the lower part 

 not nmch protruding. Eye-margins broad, 

 grey pruinose, with short, yellow hairs. 

 Oceiput grey pruinose with whitish, above 

 more yellow hairs, and here besides with 

 long, black hairs. Antennæ black, third 

 joint more or less brownish, not small, 

 squarely roundish with the upper margin 

 straight or almost concave; arista not 

 long, thickened in the basal half and 

 very short-pubescent. Thorax blackish 

 æneous, flnely punctate, shining; it is 

 clothed with not long, yellow or greyish 

 yellow hairs more or less intermingled with black, the latter some- 

 times predominant on the middle; there are notopleural, postalar and 

 scutellar marginal bristles, but they are rather weak and not much 

 conspicuous. Pleura with longish, black or downwards more or less 

 pale hairs. Abdomen æneous black, shining, second and third seg- 

 ments dull black on the disc but broadly shining at the sides; abdomen 

 has longish, erect, yellow hairs, longest at the sides and towards the 

 base; on the middle of second and third segments are short, black, 

 depressed hairs, and the yellow hairs on the middle of fourth segment 

 are also depressed. Genitalia rather large, yellow-haired. Venter a 

 little greyish pruinose with longish, pale hairs. Legs black, extreme 

 apex of femora and the basal part of tibiæ yellowish or reddish yel- 

 low, most obscurely on hind tibiæ. The long hairs on femora for the 

 most part black behind front femora, for the rest chiefly pale; the 

 hairs on tibiæ mainly pale on front tibiæ, black on posterior tibiæ 

 except the usual golden pubescence; hind femora densely black setulose 

 beneath except at the base; hind metatarsi not thickened. Wings 

 brownish tinged, most towards the anterior margin and on the middle; 

 upper marginal cross-vein curved above, the upper angle about rect- 

 angular. Squamulæ whitish with a yellow margin and fringe. Halteres 

 yellow, the knob blackish. 



Female. Eyes short-hairy. Frons moderately broad, widening 

 downwards, trisulcate; it is yellow-haired. vertex with some dark hairs. 

 Antennæ with the third joint larger than in the male, likewise squarely 

 roundish. Thorax with short, decumbent hairs which are as in the 



I 



