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, 



m b a c 



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

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



Proboscis 



Halteres 

 First abdominal segment 7 



Basallobes 



First tarsal segment 



■^— Tarsi 



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 



