REPORT ON MOSQUITOES. 



-^55 



This species ranks fairly among the pestiferous forms, but it 

 is less troublesome than any of the others. It is not so readily 

 controlled, however, as the 'house mosquito and sometimes causes 

 trouble in jurisdictions outside of those in which it breeds. The 

 methods of dealing with it are elsewhere set out. 



CULEX SIGNIFER, COQ. 



The White Lined Mosquito. 



A medium sized black moscjuito with the liind tarsi broadly 

 white banded at each end of the joints, the last one being entirely 

 white; the bands of the front and mid-tarsi are very narrow, 

 if present at all, and are confined to the apices of the joints, save 

 the first one on the mid-tarsi. The beak is unhanded. ' The 

 thorax is black, marked with narrow white lines. The wings 

 are grayish, with a distinct white spot at the cross vein, and the 

 abdomen is dark brown, with white lateral marks which tend to 

 cross the dorsal surface. 



Description of the Adidt. 



This is a mosquito of moderate build, measuring 5-5.5 mm., 

 = .20-22 of an inch, in length, excluding the proboscis, which 

 is not quite half the length of the body. The head is velvety 

 black with some white scales scattered on the central part and a 

 clearly defined white border to the eyes. The proboscis is nar- 

 row at the base, becoming dilated toward the tip ; black, with 

 white scales scattered at the sides, forming a black median line. 

 The palpi in the female (fig. yy. 2) are a little over one-third the 

 length of the proboscis, three jointed, the basal twO' joints long 

 and slender, black with a few white scales, the terminal one very 

 small and wholly white. In the male (fig. 41, 7) the palpi are 

 slender, as long as the proboscis, three jointed, the basal joint 

 long, the terminal one ver}^ small ; in color black with some white 

 scales, the base of the second joint and all of the third white; a 

 few long bristles on the last two joints. The female antennae 

 are black with scattered white scales ; in the male they are black 

 with silky brown plumes. 



The thorax is velvety black with fine white hairs over the 

 surface and long lateral black ones ; there are two bluish white, 

 narrow dorsal vitt?e on the anterior two-thirds ; two similar 

 arcuate lateral ones extending the entire length of the thorax 

 and two broken ones on the posterior half which extend forward 



