CONTENTS 



PAGE 



Introduction 7 



General Life Habits 9 



How a mosquito bites lO 



Structure and Classification 1 1 



Table to determine species of mosquitoes i8 



Table to determine mosquito larvae 20 



Character differences between Acdcs stiiiiulaiis (female) and Aedes 



cantator (female) 2^ 



Character differences between Ciilc.v pipicns (female) and Cuter sal- 



'Inarius ( female) 24 



Character differences (larval) between Anopheles quadriiiiaculatus and 



Anopheles punctipennis 24 



Eye and hand-lens key to adult mosquitoes of the more common species 25 



Diagram to determine species of adult mosquitoes 26 



Diagram to determine species of mosquito larvae 28 



Eye and hand-lens key to larvae of the more common species 30 



Mosquito Species 31 



Economically important 31 



Salt-marsh group 31 



The white-banded salt-marsh species (Aedcs sollicitans) 31 



The small salt-marsh mosquito (Acdes taeniorhynchus) 35 



The brown salt-marsh mosquito {Acdes cantator) 36 



The unhanded salt-marsh mosquito {Culex salinarius) 41 



Importance of the salt-marsh group 44 



Control of the salt-marsh group 50 



Natural 50 



Fish as the natural enemies of the salt-marsh mosquito 50 



Artificial 55 



Nature of the problem ; 55 



Actual work of control 58 



Treatment of the open salt marsh 58 



Treatment of the enclosed salt marsh 71 



The enclosed, non-shrunken and sewage-free salt marsh.... 71 



The enclosed, shrunken but non-polluted salt marsh 80 



The enclosed, shrunken and polluted salt marsh 81 



The house-mosquito group 82 



The house mosquito {Culex pipiens) 82 



The white-dotted mosquito {Culex restuans) 87 



Control of the house-mosquito group 88 



Determining the size of the area 88 



Survey and mapping the permanent breeding places 89 



Creation of organization to carry out the practical work 89 



Evaluating the effect of the work in terms of density of mos- 

 quitoes on the wing 9^ 



(4) 



