488 



Malaria 

 MOSQUITOES AND MALARIAL FEVER 



In order that the student may be able to differentiate with 

 reasonable accuracy such mosquitoes as come under his observation, 



6 c 



Fig. 191. Various mosquitoes in attitudes of repose: a, Culex pipiens; b, 

 Myzorrhynchus pseudo-pictus; c, Anopheles maculipennis (Manson). 



Halteres 

 First abdominal segment 



Proboscis 



Palp 



-Eye 

 Occiput 



Prothorax 

 Mesothorax 

 Scutellum 

 ."Metathorax 



Abdomen 



Basal lobes 



First tarsal segment 



Fig. 192. External morphology of a female mosquito (Manson). 



use must be made of tabulations, to correctly use which, however, 

 the student should have some familiarity with insect structure and 



