INSECTS INJURIOUS TO TOBACCO. 219 



be seeded in crimson clover at the last working. This 

 would serve a twofold object by revealing the exact location 

 of larva3 in the area nnder cultivation by their attack upon 

 corn, when they could be destroyed largely by frequent 

 harrowing and rolling, and by affording a most excellent 

 soil crop to turn down the following spring, which would 

 be a decided advantage to the tobacco; that if it is found 

 necessary to have tobacco following grass, it should be 

 broken in the spring as early as jDOssible, and frequently 

 rolled and harrowed, at the same time delaying the setting 

 of the plants as long as possible in order to destroy and 

 starve the larva3 within the ground. ^^ 



INJURING THE STEM. 



The Spined Tobacco-bug {Eusclnstus variolarius). 

 Prof. H. Garman has found a small bug, which he has 

 termed the Spined Tobacco-bug, doing more or less injury 

 to plants in Kentucky, and as this insect is widely dis- 

 tributed throughout the country, it probably does more or 

 less damage elsewhere, though never a serious pest. Con- 

 cerning its work, he says:* ^' Occasional plants in tobacco- 

 lields are at times observed to haA'e become suddenly 

 wilted, the leaves hanging limj), much as if the stalk had 

 been severed. After a time they recover again, aiid, beyond 

 a temporary check on their growth, appear to have suffered 

 but little injury. If such plants are searched carefully 

 while still wilted, a flat, brown bug with each side of the 

 body produced into an angle, or sharp spine, will be found 

 upon the stalk along the base of the leaves. It is very shy 

 and keeps out of sight, hence any brisk movement on the 

 injured plants is likely to cause it to dro^) to the ground 



* Bulletin No. 66, Ky. Agr. Exp. Sta., p. 33. 



