VI 



Other (lenera of Xortli Ainerican Mosquitoes 



HAVING siveu a full cousidcrutioii to the common 

 mosquitoes of the genus Culex, which includes by 

 far the majority of all of the mosquitoes ■which in- 

 hal)it North America, and having- paid special attention 

 to the forms of the g-enus Anopheles, which comprises all 

 the species which have been proved to carry the malarial 

 germs, and having also told the story of the yellow-fever 

 mosquito, there remain for brief consideration the mos- 

 quitoes of the six additional genera known to occur in the 

 United States. The structural peculiarities of these six 

 g-enera are described in full in Chapter X., and since they 

 are f.ew in nunil)er of species, and since until recently all 

 of them w(>re unknown except in i\\v adult condition, this 

 consideration must necessarily be brief. 



Genus Psorophora Desvoidy 



The insects of this genus are large mosquitoes, and 

 only one species, l^oropliora c'dlaia of Fabricius, inhabits 

 the United States. In this insect the paljn in the male 

 are long-er than the proboscis, while in the female they 

 are less than one-half as long as the proboscis. The 



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