SOME REPRESENTATIVE INSECTS 



385 



" swat the fly " is a good one, but if we " swat " the first flies of 

 the spring the results are all the more effective. 



Fig. 198.— Representatives of the. Order Diptera. 



n slirW^r'^fK""'. ''""'« '""" "' "^'"'^ "^ P^^'^^'"'^ '"> grasshoppers (./ Fig 174 

 p. 351). Below, the house-fly, Musca domesUca, showing adult dud<, (Ipff* Iai 

 maggot (right). (From Farmers' Bulletin No. 459, US Dept Agr ) " 



Mosquitos have assumed great importance since it was dis- 

 covered about 1895 that the parasite which is the cause of malaria 

 passes a part of its life cycle in the body of certain species of 



