roe 
On May 20 A. J. Kistler, of New York City, spent some time in the 
section of Coleoptera examining certain Carabidae and Cicindelidae in 
the National collection. 
Francisco Sein, jr., of the Insular Experiment Station, Rio Pied- 
ras, P. R., came to Washington May 26 and will spend several days study- 
ing the National collection of citrus fruit flies and consulting the Bu- 
reau's specialists. 
Foster H. Benjamin, of the Plant Quarantine and Control Adminis— 
tration's Mediterranean fruit fly project, located at Orlando, Fla., 
was in the Taxonomic Unit May 29 to June 1 to discuss various problems 
of identification of fruit flies. 
INSECTS AFFECTING MAN AND ANIMALS 
F. C. Bishopp, in Charge 
The following temporary employees reported for duty during the 
month: M. F. Canova, Field Assistant, at Portland, Oreg., to assist 
in mosquito investigations; Adrian C. Fox, Field Assistant, at Fargo, 
N. Dak., to assist in cattle grub investigations; Roy Melvin, Field 
Assistant, at Galesburg, Ill]1., to assist in cattle grub investigations; 
John B. Hull, Field Assistant at Charleston, S. C., to assist in sand fly 
investigations that are being conducted at that point. 
TRUCK-CROP INSECTS 
W. H. White, Entomologist 
C. W. Getzendaner, Junior Entomologist, who has been taking post— 
graduate work in entomology at Iowa State College, Ames, Iowa, returned 
to his duties at Puyallup, Wash., May 1, 1931. 
C. H. Popenoe, of the Bureau of Entomology, together with Fred— 
erick E. Dunham and C. A. Carrello, of the Motion Picture Laboratory, 
left Washington May 4, for Louisiana, where, in company with K. L. Cock-— 
erham, Entomologist in charge of the sweetpotato weevil laboratory at 
Biloxi, Miss., and officials of the Louisiana State Department of Ag-— 
riculture, parts of a motion picture dealing with the cultural methods 
required for the control of the sweetpotato weevil were obtained. Upon 
the completion of this film in the fall a two-reel educational motion 
picture will be available on this subject for the use of agricultural 
workers and growers. 
