GRASS-HOPPER CONTROL 



141 



were carefully weighed both before and after drying. It was found 

 that in drying the weight was reduced to about 31 per cent of the 



Fig. 38. — One peck dried gias-s-hoppers. Net weight two pounds. 



original weight, but that they expanded enough in bulk to make a 

 bushel weigh only eight pounds when thoroughly sun dried. 



A total of one thousand insects taken at random by handfuls from 

 different lots caught at Salem revealed that a bushel of forty pounds 

 contained about 85,340 individual insects. 



This one thousand were separated for species with the following 

 results. 



Red leg grass-hopper (Melanoplus femur-rubrum) male 294 



Red leg grass-hopper (Melanoplus femur-rubrum) female.... 239 



Differential grass-hopper (Melanoplus dlfferentalis) male.... 12 



Differential grass-hopper (Melanoplus differentalis) female.. 10 



Differential grass-hopper, Nymphs (Melanoplus differentalis) 194 



Dicromorpha viridis male 18 



Dicromorpha viridis female 6 



