75 



Larvae which may be mistaken for those of 

 mosquitoes are : 



I. Chironomtdae. — The larva of Chironomus 

 is a red Avorm-like creature (blood worms). On 

 the prothorax it has a pair of feet armed with 

 hooks (Fig. 20). 



X •"•/Wei't-* «„(( e 



Fig. 21. Larvae of an Anopheline (lejt) and Culex (right) 



2. Ephemeridae (May-flies). — The larvae of 

 certain small Ephemridae may, at first glance, be 

 mistaken for mosquito larvae. There is no real 

 resemblance, and the triradiate tail of the ephemera 

 larva and the tracheal gills distinguish it (Fig. 20). 



3. Dixidae. — The larva of Dixa rather closely 

 resembles the larva oiAnophelines, though not other 

 mosquito larvae (Fig. 20). Ventrally it has pseudo 

 pods on the fourth and fifth segments. 



Examination of the Larva 



Culex (Fig. 21). — Obtain some Culex larvae 

 from any source and place in a glass vessel. 



