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MONTHLY LETTER OF THE BUREAU OF ENTOMOLOGY 
UNITED STATES DEPARTMENT OF AGRICULTURE 
Number 92 i December, 1921 
ELBERT 8. TUCKER 
With deep regret we announce the death of Elbert S. Tucker, cotton 
entomologist, at Tallulah, La., December 10, 1921. While Mr. Tucker 
had been in poor health for some time from a combination of causes, 
his sudden demise was totally unexpected. By his death the Depart- 
ment loses one of its most faithful and devoted employees. 
Mr. Tucker received his scientific training at the University of 
Kansas under the tutelage of V. L. Kellog, F. H. Snow, and S. J. 
Hunter, For different periods of time he served appointments under 
the University of Kansas, the Texas Agricultural Experiment Station, 
the Louisiana Experiment Station, and the United States Department 
of Agriculture. During his life he was a prolific writer upon entomo- 
logical subjects. His entire writings comprise a list of one hundred 
and eighteen papers published in various places. He was a charter 
member of the Entomological Society of America, and at the time of 
his death held membership in the Kansas Academy of Science and the 
American Association of Economic Entomologists. - J.L.W. 
‘TRUCK-CROP INSECT INVESTIGATIONS 
F. H. Chittenden, Entomologist in Charge 
CG. P. Gillette, Director of the Colorado Experiment Station and 
a collaborator of this office, has recently furnished a map of all 
the known localities for the Mexican bean beetle in the State of 
Colorado for 1921. Forty-seven localities are shown grouped in five 
areas of infestation, tho largest of which extends north from 
Denver to Fort Collins and Greeley; the second lies along the 
Arkansas Valley from Canon City to La Junta; and there are three 
areas on the western slope, consisting of a small one in the 
extreme southwest and two in Montrose and Delta Counties. It is 
somewhat remarkabie that, with this exception, no information has 
been received as to the anfestations along the Utah Border, as the 
general trend of drainage toward the west has probably carried numbers 
of beetles toward the Utah poundary. Information with regard 
to the Utah localities hes as yet to be obtained. 
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N. F. Howard, specialist in charge of reseerch work, Mexican bean 
beetle investigations, Birmingham, Ala., attended the meetings of the 
Association of Econcmic Entomologists at Torcnto, Canada, where he 

