440 BOAED OF AGEIC'ULTUKE. 



it will not eat anything to speak of, and you can not kill very many at 

 that time. It attends strictly to business when it begins to lay its eggs, 

 and does not, seemingly, take any food. 



Mr. Swaim: Mr. Williams spoke of spraying immediately after the 

 blossoms fell for the codling moth, and then again in ten days. In case 

 there should come a heavy rain immediately after, would you advise 

 spraying immediately? 



Prof. Troop: I most assuredly should. Just as soon as it cleared up. 



Mr. Evans: When do the curculios hatch out? 



Prof. Troop: Are you speaking of the plum curculio? 



Mr. Evans: Yes, sir. 



Prof. Troop: We have some after the plums are set, and are as large 

 as peas. 



Mr. Evans: Do they lay their eggs on the outside of the plum? 



Prof. Troop: Yes, sir; on the outside under the skin. 



Mr. Evans: Then your theory is that they are stung when they 

 are young? 



Prof. Troop: It does not take very long after the blosoms fall for 

 the plums to become as large as peas. 



Mr. Evans: No, I know it doesn't take very long. Do they lay their 

 eggs on, the plum? 



Prof. Troop: Yes, sir. 



Mr. Evans: How long does it take them to hatch? 



Prof. Troop: It depends on the weMllur; but, generally speaking, 

 only a few days. 



Mr. Evans: After that they sting the plum? 



Prof. Troop: They cut a crescent-shaped hole and lay the egg in that. 



Mr. Snodgi-ass: I want to ask a question of Mr. Troop. I am very 

 much interested in these affairs, and I am asking simply for informa- 

 tion. I want to know of Mr. Troop If it is dangerous to spray with 

 Paris green when there are plenty of birds around. You of course realize 



