216 BOARD OF AGRICULTUEE. [Pub. Doc. 



Mr. DoAisTE. Of late we have sprayed with Paris green 

 when the time comes, and are able to get rid of them without 

 much trouble. 



Professor Maynard. But you cannot spray the lofty elm 

 trees. 



Mr. DoANE. I have two large elms in front of my house, 

 and tar has been tried on them, and it did not save them 

 from the canker worms. 



Professor Maynard. Did you put tar or ink on as early 

 as November 1, and keep it in proper condition until 

 May 1? 



Mr. DoANE. It seemed as if we were putting it on all the 

 time. 



Mr. Wood. Three years ago I was troubled very much 

 with canker worms, I got rid of them, but (hey came again 

 and again. I have tried spraying with an improved kind of 

 pump, and I cannot seem to kill them. This fall I began 

 tarring early. I have one thousand fruit trees. I have 

 caught other insects beside the canker worm on the bands. 

 I have not succeeded to my mind with the spraying, but 

 believe that it pays well to band the trees fall and winter. 

 Will the professor tell us what is the home of the little insect 

 about the size of a knitting needle, somewhat like the canker 

 worm, only smaller, of which I caught a great number before 

 I began to catch canker worms? 



Professor Maynard. It is probably the fall canker worm. 

 The fall canker worm is very much smaller than the spring. 



Mr. Wood. What becomes of the grub or moth after it 

 has laid its esrsrs ? 



Professor Maynard. It lives but a short time after it has 

 laid its eggs. If we band our trees for the canker worm, we 

 will still have to spray for the codling moth and the apple 

 scab. This same spraying will answer for the canker worm 

 on all fruit trees. 



Question. If the tarred paper bands are left on the trees 

 through the summer, will the trees be injured ? 



Professor Maynard. The tarred paper will sometimes 

 injure the thin bark of young trees. There is no danger to 

 old trees. Printers' ink is not so likely to injure the tree as 

 the ordinary tarred paper. 



