74 NEW YORK STATE MUSEUM 
The most effective spraying is while the buds are swollen and be- 
fore they have opened sufficiently to produce crevices in which the 
thrips may find shelter and after the blossom clusters have sepa- 
rated so as to expose the thrips sheltering among the stems of the 
young fruit. 
BIBLIOGRAPHY 
1904 Daniel, S. M. Ent. News, 15:294-05. 
1907 Moulton, Dudley. U. S. Dep't Agric., Bur. Ent., Bul. 68, pt 1, 
p. I-16. 
1909 ————_——. U. S. Dep’t Agric., Bur. Ent., Bul. 80, pt 4, p. 51-66. 
1909 Bagnall, R. S. Econ. Biol. Jour., 4:37. 
1911 Foster, S. W. & Jones, P. R. U.S. Dep’t Agric., Bur. Ent. Cir. 
131, p. I-24. 
Ipigebarrott, Po J. IN Y. Agric: Expt Sta. Bul 343, po 26: 
