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 Ste^omj'ia/asciate, 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 Ctilex are darker coloured 



