436 ANNUAL REIPORT OF THE Off. Doc. 



tiling, and are so much worse than the San Jos(5 Scale that there is 

 but little comparison to be drawn between them. 



3. Within the Keystone State the San Jose Scale has destroyed 

 hundreds of thousands of dollars worth of trees and shrubs, as well 

 as tens of thousands of dollars worth of fruits, directly, during the 

 past year. 



4. To prevent this loss, special provision was made by the Legis- 

 lature two years ago, and about thirty inspectors and demonstrators 

 have been appointed to work (part of the time during the last four- 

 teen months) under the Division of Zoology of the Department of 

 Agriculture, to ascertain the presence of this destructive pest, and 

 to notify persons whose trees may be infested with it, and who may 

 not know it; also to show them how to control it. 



5. The Bulletins of the Division of Zoology have been issued as 

 regularly as possible, bearing almost wholly on insects or their 

 enemies, and have reached at least 50,000 readers each month. 



6. The correspondence from the office of the Economic Zoologist 

 has been very great, amounting to at least 500 letters per month; 

 of these at least 75 per cent, are directly upon the subject of insects 

 and other plant pests. 



7. The agricultural papers and newspapers of the State are aid- 

 ing in taking up the warfare against such pests, in disseminat- 

 ing the methods of their control. 



S. The more advanced agriculturists and horticulturists are buy- 

 ing and using spraying machinery, and more spraying has been 

 done in this State during the past year than in all previous years 

 combined. Their results are satisfactory, generally, and this en- 

 courages them and others to proceed with methods which will save 

 their trees and other plants. 



9. The manufacturers of spraying apparatus and commercial in- 

 secticides are taking advantage of the needs of the day in sending 

 considerable literature to the farmers and fruit growers over the 

 State, and this aids in calling attention to the importance of insec- 

 ticidal work. 



10. The high price 'of fruits and the certainty of controlling such 

 pests as the Scale insects have combined to induce persons to plant 

 young orchards, and nurserymen tell us that during the past year 

 thev have had unusual sales of fruit trees for starting orchards in 

 this State. 



These influences have combined to call the attention of the public 

 to the insect pests and the possibility of controlling them in a 

 satisfactory, effective and cheap manner, and producing first-class 

 fruits even though a few pests be present. 



We believe it possible to obtain a fair view of the subject of in- 

 sects in Pennsylvania during the past year by running through the 

 list of specimens received in the office of the Economic Zoologist. 

 Over 5,000 different collections have been made or received, and 

 all of these have been classified and studied. We find the San Jos^ 

 Scale to be, of course, the chief insect sent us, and the one of which 

 most inquiry has been made. In the bulletins of the State Zoolo- 

 gist for February, July, November, and December, of 1906, special 

 attention has been given to the San Jos^ Scale and its remedies, 

 and from the experiments there outlined, as well as from written 

 reports from practical fruit growers in many portions of the State, 



