Ghilosia. 



179 



Fig. 90. Head of 



C. carbonaria d". 



low hairs, frons black-haired. Epistonia a little pruinose below the 

 antennæ, for the rest slightly pruinose, shining; it is much hollowed 

 below the antennæ, the central knob not large but very prominent, 

 between it and the mouth edge the epistoma 

 somewhat hollowed and the lower part much 

 prominent and rather considerably descending. 

 Eye-margins not broad, a little pruinose, with 

 somewhat short, white hairs. Occiput grey 

 pruinose, the colour stopping below the eye ; 

 the hairs white below, yellow above, and 

 here besides some long, black hairs. Antennæ 

 small; third joint red or brownish red, not 

 at all longer than broad; arista distinctly 

 but very short-pubescent. Thorax black or 

 someAvhat bluish black, finely punctate, shin- 

 ing; it is clothed with somewhat long, erect, 

 black hairs and shorter, pale hairs ; the short 

 hairs are longest on the front part and mav 

 here almost reach the long hairs in length, they are short behind 

 and on scutellum, and here more or less black, and the long hairs 

 are here three to four times as long as the short; the long hairs are 

 longest behind and on scutellum. There are indistinct notopleural 

 and supraalar bristles and more distinct postalar bristles; the scutellar 

 marginal bristles are long and distinct, though fine. Pleura with long, 

 yellow hairs, at the top of mesopleura some black, more bristly hairs. 

 Abdomen somewhat long, parallel-sided and rather flat; it is black or 

 bluish black, shining but duU on the disc of second segment and 

 partly on third, hore most broadly towards the hind margin; it is 

 clothed with long, erect, yellow hairs, on most of the duU parts are 

 short, black hairs and also the fourth segment has short, black hairs 

 on the disc. Venter black, shining, with yellow hairs, long on second 

 segment, short on the rest except at the hind margin of third segment. 

 Genitalia shining, with yellow hairs. Legs black, anterior knees and 

 extreme apex of anterior tibiæ reddish, but generally very obscurely; 

 the hairs behind front femora black, on the posterior femora yellow 

 in front, white on the posterior side, but at the apex some black 

 hairs ; the hairs on tibiæ dark except the usual golden pubescence on 

 front and hind tibiæ below ; the hairs on anterior tarsi somewhat 

 long; hind femora densely and somewhat strongly black-setulose 

 beneath; hind metatarsi a little thickened. Wings somewhat long, 

 anterior margin a little more distinctly spinulose than usual ; they are 

 rather strongly brownish tinged, especially on the apical half but also 



12* 



