TAXONOMIC INVESTIGATIONS 
S. A. Rohwer, Entomologist, in Charge 
Dr. BE. D. Ball, formerly director of Scientific Work of the De- 
partment of Agriculture, spent scveral days at the Museum early in Jamu- 
ary, working on Hemiptera. 
Dr. S. B, Fracker, State Entomologist of Wisconsin, spent New 
Year's Day working with Mr. Heinrich on the. larvae of certain. noctuids, 
vhich seem to be of some economic importance and are attracting attention 
in connection with the work on ‘the st corn borer. 
Dr. J. M. Swaine and Ralph Hopping, of British Columbia, visited 
the Division of Insects for the week commencing January 3 to study the 
types of Coleoptera in the Casey Collection. end in the regular collection 
of the National Museun. 
DYES USN § Ua ee Gola Fa ash the Tllinois State Natural History Survey, a 
spent January 3 to 5 working on bumblebees in the National Collection, and 
consulting with various specialists about lots of insects which he had sent 
to them. 
Carl Heinrich left on January 10 for the Southvest, where he will 
spend several months studying Lepidoptera. His first work will be with the 
Federal Horticultural Board, on the pink boll worm. 
Percy Viosca, Jr., of the Southern Biological Supply Company, New 
Orleans, La., stopped at the Division on January 8, to meet the various 
specialists. { 
Dr. W. A. Fenton, of the Bureau, stationed at Columbia, S. C.,. 
spent January 8 to 10; inclusive, at the Museum, studying and arranging the 
collection of Anteoninae. Dr. Fenton was able to rearrange the entire col- 
. lection and put it into good order, andiis going to study some of the un- 
determined material in connection with thé material he already has. The 
Anteoninae are curious parasites of leafhoppers, and are more commonly know 
as dryinids. Now that the collection is arranged, and we see where we need 
more: material, we shall be very glad if Bureai workers having an opportunity 
' to collect or rear any members: of: this. group will send them in for the col~ 
lection. / 
S. S. Crossman, of the Gipsy Moth Laboratory, visited the Section on 
January 8. , Sage 7 : 
E. V. Walter, of the Bureau Laboratory at San Antonio, Tex., spent 
‘about three weeks in January studying Lepidoptera in the-collection. Mr. | ( 
Walter has made a very extensive collection of, Lepidoptera in the last few 
years, most of which were collected in Arizona, and he brought this ‘material 
to the Museum to be determined. In the course of his study a number of new 
species were found. Some of these are being described by Dr. Dyar. 
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