540 A Monograph of Cidicidae. 



be equal and simple, not uniserrate as figured by Kertesz. The 

 flat head scales in the Hungarian specimens are more creamy 

 than those from Britain. 



Mr. C. O. Waterhouse has recently taken the larvae in the 



New Forest. 



Aedes nigrescens. n. sp. 



Head, thorax and abdomen dark brown, legs dark brown ; a 

 tuft of spines at the apex of the tibiae. 



J . Deep brown with dull narrow-curved pale scales and 

 pale brown upright forked scales ; palpi and proboscis deep 

 brown, palpi short ; antennae brown, the segments rather long. 



Thorax deep brown, scantily clothed with paler brown narrow 

 curved scales, paler ones on each side in front ; with a few long 

 deep brown chaetae ; scutellum deep brown, with narrow-curved 

 dull scales and four large median dark border-bristles ; meta- 

 notum rich brown ; pleurae deep brown. 



Abdomen deep blackish-brown, unhanded, some of the lateral 

 scales rather outstanding ; basal segment with long dark hairs, 

 those of the posterior borders of the segments short and pale 

 brown. 



Legs deep brown, unhanded, base and underside of femora 

 pale \ apex of tibiae with a small tuft of scales and bristles and to 

 some extent the apices of other segments show slight tufting ; 

 ungues small, equal and simple. 



Wings with the fork-cells short, the first sub-marginal cell 

 longer and narrower than the second posterior cell, its base 

 nearer the base of the wing, its stem about half the length of 

 the cell ; stem of the second posterior cell nearly as long as the 



Fig. 246. 

 Wing of Aerie* nigrttcens. 9- n. sp. 



cell ; posterior cross-vein much longer than the mid, nearly twice 

 its own length distant from it ; scales dense, especially on the 

 branches of the first sub-marginal cell, the third vein with 

 broader median scales and darker than rest of the wing. 



