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TRUCK-CROP INSECT INVESTIGATIONS 
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On June 7 C. 0. Bare returned to Sanford, Fla., from a brief trip 
to California, where he had studied methods of rearing egg parasites on a 
large scale. 
R. E. Campbell, Alhambra, Calif., J. ©. Elmore, Garden Grove, Calif., 
and M. C. Lane, Toppenish, Wash., attended the meetings of the Pacific 
Slope Branch of the American Association of Economic Entomologists at 
Pomona College, Claremont, Calif., June 14 to 16, 1928. , 
On June 18 N. F. Howard returned to Columbus, Ohio, from a scout— 
ing trip for the Mexican bean beetle in the Southeastern States. The 
principal points visited were Newport and Chattanooga, Tenn., and Bir— 
mingham, Ala. 
Dr. Bernard Trouvelot, of Versailles, France, who as heretofore 
stated is in this country studying parasites of the Colorado potato beetle, 
returned June 19 to his station at Geneva, N. Y., where he began the 
work of breeding these parasites. 
W. J. Reid, Jr., Chadbourn, N. C., visited Washington June 19 to 
30 to do library work and consult with Bureau workers on the problem of the 
seed-corn maggot. 
Walter Carter, Twin Falls, Idaho, was temporarily transferred to 
St. Paul, Minn., June 21, to complete some library and manuscript work 
relating to his ecological investigations. These investigations are used 
as a basis for predicting the destructive abundance of the sugar—beet 
leafhopper. 
K. L. Cockerham, Biloxi, Miss., visited Chadbourn, N. C., June 19 
to 21, where he discussed with J. N. Tenhet the methods of handling and 
rearing wireworms. 
F. H. Shirck and K. E. Gibson, Toppenish, Wash., attended the meet— 
ings of the Northwest Association of Horticulturists, Entomologists, and 
Plant Pathologists, at Vancouver and Victoria, B: C., June 25 tome 
W. A. Thomas, Chadbourn, N.C., visited Augusta and other points in 
Georgia, June 26 and 27, on business relating to the problem of the Porto 
Rican mole cricket. 
W. H. White, of the Washington office, visited State College, Pa., 
June 27 and 28, to arrange for cooperative investigations on mushroom 
pests. 
C. H. Popenoe, Washington, visited Lansing, Mich., June 25, to con— 
sult with Prof. C. W. Bennett relative to their studies on the transmis-— 
Sion of berry mosaic; also to look into the possibility of selecting berry 
pests to be sent to New Zealand for use in combating the blackberry 
plants which have become a serious pest in certain parts of that country. 
He brought back with him a large number of specimens of the blackberry 
sawfly, the blackberry plume moth, and the raspberry cane-borer. 

