July, 1914.] THE APPLE MAGGOT. 95 



Season of 191 1. Variety, Granite Beauty. Tree located in 

 open field, thirty-five j'-ards from check tree of same variety, as 

 recorded below. Fruit somewhat infested in prior years. In 

 bearing the previous season, and drops lay, but amount unknown. 

 Formula, arsenate of lead 1 ounce, molasses 1 quart, water 1 

 gallon. Ten applications made: June 27, 30, July 8, 18, 22, 25, 

 31, August 16, 20, 26. The first application made by sprinkling 

 the tree with a broom; all others made with a hand pump. 

 Amounts of material used, 7| quarts for the first application, 

 for the second, 7| for the third, 7 for the fourth, 8 for the 

 fifth, and 7 for each of the succeeding. Thirty-three adults re- 

 leased beneath tree July 8, and 17 July 18. Results: total drops 

 examined, 1,202, total punctures, 808; proportion free from punc- 

 tures 55.8 per cent. Picked fruit apparently the same. 



5. Check tree of same variety, and same history; distant 

 thirty-five yards, from sprayed tree and eighteen yards, in op- 

 posite direction, from infested and sprayed Winter Sweet. No 

 spray applied. Total drops examined, 1,033; total punctures, 

 999; proportion free from punctures 52.7 per cent. Picked fruit 

 apparently the same. 



6. Variety, Sops-of-Wine. Location, standing somewhat is- 

 olated in a hayfield, fifty yards from a small group of trees of 

 winter varieties except for one Williams Favorite, and fifty yards 

 in the opposite direction from an infested Porter and a seedling 

 tree. Three trees of winter varieties twenty yards away, across 

 road. Fruit infested in 1910, and at least part lay on the 

 ground. Formula, arsenate of lead 1 ounce, molasses 1 quart, 

 water 1 gallon. Seven applications made, June 27, 30, July 8, 

 18, 22, 25, 31. First application, 7| quarts, made by sprink- 

 ling with broom. Subsequent applications, 5 quarts each, made 

 with bucket pump. Thirty flies released beneath tree July 8. 

 Results: drops examined, 619; total punctures, 510; proportion 

 free from punctures, 55.8 per cent; picked examined, 477; total 

 punctures 447; proportion free from punctures 46.1 per cent. 



7. Variety, Porter. Location, somewhat isolated, fifty yards 

 to nearest tree of a row of Baldwins, not infested. Fruit infested 

 in 1910, and drops lay, but amount of drops not known. For- 

 mula, arsenate of lead 1 ounce, molasses 1 quart, water 1 quart. 

 Nine applications made, July 1, 7, 8, 21, 26, 31, August 16, 19, 26. 



