IPHIAULAX AND CHAOLTA. 37 



are opaque, closely rugose ; their furrows distinct, closely stri- 

 ated. Legs covered with short fuscous hair, the fore tibiae and 

 tarsi with a pale pile. 



The abdomen is slightly longer than the head and thorax 

 united ; broad in the middle, narrowed at base and apex, the face 

 is alutaceous ; the face is bordered laterally by a wide furrow ; 

 basal joint of hind tarsi thickened, not quite as long as the follow- 

 ing 2 united ; the furrow on the pronotum is continued down the 

 centre of the propleuras, where it is only crenulated on the top. 



Belongs to the group of I. trichiosoma Cf. Journ. St. Br. 

 R. A. Soc, 1903, P. 118. 



Iphiaulax veneus, sp. nov. 



Black ; the wings hyaline, the base of both smoky, the stigma 

 and nervures black ; the 3rd. abscissa of the radius distinctly 

 longer than the basal 2 united ; 3rd. abscissa of cubitus shortly, 

 but distinctly, longer than the 2nd.; recurrent nervure clearly 

 separated from the 1st. transverse cubital nervure ; area on 2nd. 

 abdominal segment reaching near to the middle of the segment 

 gradually narrowed to a sharp point ; the base smooth, the rest 

 longitudinally closely striated and with the sides sharply mar- 

 gined ; 1st. abdominal segment smooth and shining in the centre, 

 the sides and apex rugosely punctured; the depressed edges 

 aciculated outwardly, the apical half deeply depressed. The 2nd., 

 3rd. and 4th. segments are closely rugosely punctured and irreg- 

 ularly striated ; the striae on the base of the 2nd. run into reti- 

 culations ; on its basal half, mid-way between the middle and 

 outerside, is a striated shallow, longitudinal furrow ; the suturi- 

 form articulation deep, closely, strongly striated ; the other 2 

 furrows are not so clearly defined ; the apical segments are 

 smooth and shining. The abdomen is ovate, as long as the thor- 

 ax and distinctly wider than it. Legs closely covered with short 

 pubescence ; the hinder more densely than the others ; the basal 

 joint of the hind tarsi thickened, as long as the following 2 united. 



Face irregularly aciculated ; clypeus surrounded by fur- 

 rows, the upper transverse and narrower than the lateral ; 2 short 

 longitudinal keels run into it. Palpi black, covered with white 

 pubescence ; the apical 3 joints of maxillary testaceous ; man- 



R. A. Sop;,- No. 42,(1904. 



