TOBACCO INSECTS 



113 



the surfaces of the leaves ; two or more generations 

 in a season ; also works in tubers of potatoes. 



Control — Clean cultivation; rotation of crops; 

 probably arsenical sprays. 



OTHER INSECTS INJURIOUS TO TOBACCO 



Cut worms (several species). 

 False tobacco bud worm (Heliofhis obsolefa). 

 Tobacco bud worm {Chloridea virescens). 

 Tobacco ''suck-fly" {D icy phiis minimus). 

 Cigarette beetle (Lasioderma serricorne). 



