ARTHROPOD A 



8 9 



a pest of mosquitoes is a reflection upon the ownership or upon the local 

 government. 



The house-fly, Musca domestica, Fig. 69. An even more serious pest 

 than the mosquitoes are the flies, the house-fly, in particular. This 

 only too familiar animal has, until recent years, been regarded as rather 



PIG. 68. Culex pungens; full-grown larva at left; pupa at right. 

 (From Howard, Mosquitoes of the United States.) 



Enlarged. 



an innocent little nuisance that tickled us when we wanted to sleep, 

 and got into our food. That this idea is still somewhat prevalent is 

 seen in the attitude of the average person toward flies and roaches; 

 if the comparatively harmless roach finds its way into our soup we throw 



