174 



STEGOMYIA FASCIATA 



[CH. 



The larva. The egg gives birth to a small, colourless, and 

 very active larva, which occasionally swims and wriggles along 

 the surface of the water in the same manner as certain Ano- 

 phelines. This larva under favourable conditions grows rapidly, 

 and after a succession of moults attains the pupal stage. 



Fig. 49. Larva and Pupa of Stegomyia fasciata, with enlarged parts. (After 

 Howard.) 



The larva of Stegomyia may generally be distinguished by 

 two characters, viz. its comparatively colourless appearance 

 and the short black respiratory syphon, one-quarter the total 

 length of the abdomen. The larvae of Culex are darker coloured 



