New York Agricultural Experiment Station. 501 



tempted to climb np the sides, and hence prevented their reach- 

 ing the top. In this case the furrows were made promptly and 

 hence nearly the entire crop was saved. The (nterpillars were 

 first seen in the field of rye shown on the left. 



In pasture fields where the surface of the ground is compara- 

 tively even and the soil is firm, the caterpillars can be crushed by 

 a heavy roller. Spraying of the infested crops with a strong 

 mixture of Paris green and water may also be resorted to. It is 

 usually unnecessary to spray more than a strip about a rod wide 

 in advance of the caterpillars. Where possible the poisoned por- 

 tion of the crop should be burned to prevent possible danger of 

 injury to stock. Plate LI is from a photograph taken in an in- 

 fested field of corn, showing the work of the poison in protecting 

 the crop. A heavy roller was also used in this field, but the soil 

 was too light for the best results by this method. 



Additional Notes. 



Since the above paper was written, we have received replies to 

 a list of questions which we sent to numerous correspondents in 

 the state. These replies indicate that in a large majority of cases 

 the worms were most abundant in sections where grass lands 

 are extensive; also that the worms were usually first observed 

 in fields of winter rye, and that rye, oats and corn were the 

 crops most seriously injured. 



We also sent circular letters to the Entomologists of the vari- 

 ous stations, including a short list of (juestions. These ques- 

 tions were asked for the purpose of ascertaining the extent of 

 the outbreak and also to bring out any points which might be of 

 value in the future. The questions were as follows: 



(1) Is the army worm, Leiwania unipuncta, known to occur in 

 your state; if so, did it appear in injurious numbers during the 

 past season? What crops were attacked? 



(2) How many broods in your state? Was most of the injury 

 done by the first brood? 



