REPORT OF THE STATE ENTOMOLOGIST I917 17, 
INJURIOUS INSECTS 
CODLING MOTH 
Carpocapsa pomonella Linn. 
'. The experimental work of the last two years, with particular 
reference to the serious injury caused by the codling moth in the 
western part of the State, was continued the past season in coopera- 
tion with the bureau of horticulture of the State Department of 
Agriculture and the Orleans county farm bureau. The orchards 
selected for the experiments were located through the courtesy of 
Messrs L. F. Strickland of Lockport and A. B. Buchholz of Albion, 
both agents of the State Department of Agriculture. An effort 
was made, as in preceding years, to secure orchards which promised 
a fairly good and uniform crop and in Niagara county we were 
successful though, owing to the general light crop in Orleans county, 
the crop on the experimental trees was much smaller than one 
could wish. 
The orchards selected were those of Messrs George Mead of 
Barker and H. E. Wellman of Kendall, the former in Niagara and 
the latter in Orleans county. Every facility was placed at our 
disposal, these gentlemen spraying in substantially the same manner 
as in preceding years. In each case the men and the equipment on 
the place were used, the Entomologist or his representative super- 
vising the operations. There were, as originally planned, twenty 
experimental trees in each orchard though, owing to the special 
conditions obtaining, an additional plot composed partly of Baldwins 
and partly of greenings was laid out in the Barker orchard. The 
very small yield in plots 2 and 3 in the Kendall orchard resulted 
in the determination to omit the third spraying, a decision abundantly 
justified by the scattering crop on plot 3, in particular, at picking 
time. Various observations were made and reported during the 
season by Messrs L. F. Strickland and F. J. Rimoldi and these 
gentlemen, together with Mr L. H. Spooner and Mr J. B. Achilles, 
assisted in the classification of the fruit. 
Life history and habits. An outline of the life history of this 
pest may well be given before the details of the experimental work 
are discussed, since a knowledge of the habits of this insect is essential 
to an appreciation of the data. The codling moth or apple worm 
winters in a tough, silken cococn, usually located in an oval cel} 
