Air tubes of Culicid larvae 



Air tube of larva of yellow fever mosquito, Stegomyia fasciata 

 Fabr. X55 



Air tube of larva of house or rain barrel mosquito, Culex pipiens 

 Linn. xS5 



Air tube of larva of salt marsh mosquito, Culex sollicitans 

 Walk, x 4 5 



