38 : 
In brief, the burning or destruction otherwise of the stubble, oc- 
casional rotation of crops, and possibly the burning of surplus straw 
in spring, would completely destroy this insect, or keep it so 
thoroughly under control that its injuries could no longer be reck- 
oned of any importance; and fortunately the usual wingless condi- 
tion of the pest, makes it possible for each individual to defend 
himself without liability to have all his efforts disappointed by the 
neglect of others. 
