SOUTHERN FIELD CROP INSECT INVESTIGATIONS 
W. D. Hunter, In Charge. 


























‘ Prof. H. A. Morgan, Dean of Agriculture in the University of Tennessee, visited 
4h, Mound and other points in Louisiana in company with W. D. Hunter for the 
8 of reporting on the field work of the Bureau. Visits were also made to the 
Sratory at New Orleans and the Experiment Station at Baton Rouge. 
_ The appointment of E. S&S. Tucker as field assistant was terminated on November 18. 
ithe advance of the boll weevil during 1916 has been determined and the map will 
Bed in a short time. The spread was nearly equal to that of 1915 which was 
he largest on record. 
| An important paper by D. L. Van Dine entitled "The Relation of Malaria to Chae 
rPoduction™ appeared in the Scientific Monthly of November. 

TROPICAL AND SUBYTROPICAL INSECT INVESTIGATIONS 
GO. L. Marlatt, In Charge. 
ae. W. W. Yothers spent a week in Washington during the month for the purpose 
f consultation on the Florida work. 
' Dr. B. A. Back reports landing at Cadiz, Spain, where he found in the public 
bet Ceratitis capitate infesting apples, quinces and pears, and Dacus oleae 
“e green and ripe olives. Malaga grapes were uninfested. 
CEREAL AND FORAGE INSECT INVESTIGATIONS 
W. R. Walton, Acting in Charge. 
R&R. N. Wilson formerly in charge of the field laboratory at Gainssville, Fla., 
| resigned to accept a position as County Agent of Palm Beach County, Florida. 
resignation took effect November 20. The Gainesville station will be abandoned 
the present. 
4 D. J. Caffrey reports the presence of Toxoptera graminum in the vicinity of 
springer, N. M., and states that some of the aphids survived the recent cold snap 
wh a the temperature dropped to about zero, Fahrenheit. <A recent examination showed- 
h + wingless aphids were present in the fields. A few parasitized specimens were 
ero es during the first week in November from which adult specimens of Aphidius 
Sstaceipes were reared. 
' J.J. Davis and EB. G. Kelly are at present engaged in inspecting the Hessian- 
ly experimental plats within their respective territories. 
W. H. Larrimer, formerly in charge of the field laboratory at Charleston, Mo., 
BS resigned to accept a position in the Forest Service. He will probably be sta- 
oned in Montana. 
A. PF. Satterthwait of the Lafayette, Ind., s 
eee of the Charleston station and will prossed to 
' The address of C. F. Turner, formerly in charge of 
Be bos 95, West Lafayette, Ind. 
| The transfer of the Pasadena station to Martinez, Cal., bas been affected and 
e leboratory is rapidly being put into working order. 
1828 been detailed to take 
that station about December 1, 
the Greenwood station is 
