












cs for the development of three or four generations of the beetle 
"om those left in the 1,000 infested trees that were untreated in 
arch, The results show, that the control influence extended three 
x four miles beyond the area in which the control work was done. 
This project is more the character of an experimental demonstra- 
Factice. Therefore, Dr. Hopkins has recommended that the experiment 
f40uld be continued by leaving the present infestation without treat- 
ent of any kind, and that the area be watched by the local officials 
Or new infestation during the summer of 1916, and thoroughly in- 
" With reference to the note in the September number of the News 
better relating to. the community demonstration project on methods of 
Ontrol of Scolytus quadrispinosus in hickory and Agrilus bilineatus 
in Oak on Long Island under the specific direction of Dr. Hopkins, 
42 infested hickories and 911 infested oaks, within an area of 1200 
igGres and involving six estates, were marked during the fall for 
‘eatment. At preseut the control work is being carried on by owners 
ith SpeGlal siergy. Both the wiarking and control work are under the 
lumediate supervision of trie assistant in shade tree work, Mr. L. C. 
{es 
SOUTHERN FIELD CROP INSECT INVESTIGATIONS. 
W. D. Hunter, In Charge. 
W. D. Pierce will be on leave until January 24. 
e A. H. Jennings is on furlough for the months of December and 
January on account of ill health. 
W. V. King will attend a conference at Washington on January 3. 
4 T. C. Barber's appointment was extended by presidential excep- 
tion. This action was necessary on account of the fact that Mr. 
Barber has not completed his citizenship. 
, EB. Crumb spent part of the month in Washington. 
en J. U. Gilmore and J. D. Smith were in Washington during the 
month but were both compelled to return to their homes on account 
of illness. 
