nati a 
: ease) popilliavora, an imported parasite of the Japanese deetle, 
ee. re ee pane time last Season, has made excellent 
& i nt season. It has now been recovered from 
three of the four original liberations, and is abundant over en erea of 
age than three square miles. At the center of the colony it has been 
destroying as many as 25 Genees beetle larvae ver square yard of ground. 
Without seriously depleting the "mother" colony, enough material has been 
collected for nine new colonizations widely scattered over the heavily 
infested area, 
fX 
: G. 2. Clausen plans to leave Indie early in October for a visit 
to the United States. He will bring with him a large consignment of 
Popillia parasites reared in India during the summer inonths,. 
L. B. Smith and W. BE. Fleming spent August 29 in Washington, D. C., 
for conferences relative to investi liga tions of soil insecticides, 
V. I. Safro- has been engaged by the New Jersey Department of Agri- 
culture, and assigned to work on the suppression of the Japanese beetle. 
The plan of organized community control, leading toward a general campaign 
Of suppression in the heavily infested area, was developed during the 
past year by the Research staff at the Japanese Beetle Lavoratory. 

TAXONOMIC INVESTIGATIONS 
S. A. Rohwer, Senior Entomologist, in Charge 
+: B. Gahan will go to Burope early in September to study types 
of chalcid and braconid parasites in the collections of various museums. 
west 1s ee that he be given an opportunity to prepare himself 
for this trip, he has been reliéved of administrative work. Dr. Harold 
Morrison has been selected to assist in administrative work and to act 
in charge in Mr. Rohwer's absence. 
Dr. EB. A. Chapin reports that the Dimmock notes, described in the 
Monthly Letter for June, have been placed in order in temporary binders, 
and are now available for anyone who wishes to consult them. 
Miss Kathleen Doering, of the University of Kansas, visited the 
Division recently and spent some time examining types of Cercopidae ana 
Other Hemivtera in the collections. 
Dr. T. V. Ramakrishna Ayyar, of the Madras Agricultural Depart- 
ment, Coimbatore, S. India, spent August 4 studying the collection of 
chalcids with Mr. Gahan. 
Gonzalo Merino, of the Bureau of Agriculture; Manile, P. I., Vis- 
ited the. Division August 1 to meet the area sts and observe the methods 
of preserving specimens. Mr. Merino was especl jally interested in coleop- 
terous larvae, and spent considerable time in consultation with Dr. Bovine. 
