A FEW INvSECT ENEMIES OF THE ORCHARD. 
35 
After determining- this to be Putnam’s scale, I sent samples 
to Prof. Cockerell, of New Mexico, and to Dr. Howard, of the 
department of agriculture, at Washington, and both assured me 
that my determination was correct and that the species in ques- 
tion could not be San Jose scale. 
This scale has been reported in no less than twenty states 
and territories, and is scattered from the Atlantic to the Pacific. 
7 ^^- 3 . 
Figure III.— a, Pear infested with San .lose scales, natural 
size; b, a single scale greatly enlarged, showing the rust-colored 
spot at the center. (From the United States Department of 
Agriculture, Division of Entomology, copied.) 
Our nearest neighbors reported as having it are New Mexico, 
Arizona, Idaho, Indiana and California. 
The scales attack all parts of the tree above ground — bark, 
leaf and fruit. They are seldom over one-twenty-fifth of an inch 
in diameter, but may attain twice this size where there are only 
scattering individuals. Figure IT. shows the appearance of 
