182 INSECUTOR INSCITIv^i MENSTRUUS 



plate emargiiiate ; basal appendages large, quadrately capitate. 

 Types, two males and two females, No. 21571, U. S. Nat. 

 Mus. ; Parr Shoals, South Carolina, August 1 and 18, 1915, 

 bred from larvae in a grass pond (T. H. D. Griffiths). No 

 larvae were sent. 



17. Culex (Mochlostyrax) pose, new species. 



Female. — Head with gray flat scales, shining white in a 

 strong light, white on the margins of the eyes and the sides; 

 narrow curved yellowish scales posteriorly, reaching the front 

 margin at vertex; erect forked scales pale brownish. Integu- 

 ment of mesonotum blackish, rather sparsely clothed with 

 narrow curved scales, varying from brown to light golden, 

 under the lens showing paired blackish spots in front in a 

 uniformly golden surface, the posterior third with four diffused 

 golden lines on a dark ground. Abdomen black scaled, with 

 basal segmental white bands, rather narrow and a little irreg- 

 ular, widening on the sides ; the band on the second segment 

 triangularly produced in the middle ; venter whitish scaled, the 

 last segments with weak blackish apical bands. Legs black, 

 femora white beneath nearly to tips; tips of femora and tibiae 

 narrowly pale. Wing scales black, those on the forks of sec- 

 ond vein narrowly ovate outwardly, many linear ones on basal 

 part of fork. 



Type, female. No. 21572, U. S. Nat. Mus. ; Dallas, Texas, 

 November 11, 1905 (W. E. Hinds). 



Genus CLIMACURA Howard, Dyar and Knab 



18. Climacura melanurus Coquillett. 



Culex (Climacura) melanurus Howard, Dyar and Knab, 

 1. c, iii, 453, 1915. 



This species inhabits the eastern United States. It is pecu- 

 liar in passing the winter in the larval stage in the small water 

 holes in boggy land where it lives. The eggs are laid singly. 

 The species is rare, though widely distributed in swampy 

 regions. 



