TAXONOMIC INVESTIGATIONS 
S.A. Rohwer, Entemolociss, in Charge 
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—_— - i pel 29 age > 
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Dr.“H. L. Dozier, Entomolozist of the Porto: Rican Experiment Station, 
spent about two weeks at the Division of Insects, conferring with specialists 
and examining types of Hemiptera, 
'. Dr, J. Hatori, Biologist of Formosa, stopped at the Division of Insects 
to study the mite collection and. confer with Di. iwing. i 
#. H. Wilson, graduate student of Cornell University, spent about ten 
days in the section working on Mallophaga in connection with the preparation 
of athesis, au. tas BAX 
Dr. A, D. Inms, of Rothamsted, England, recently visited the Section 
of Insects, consulting with various specialists, During his stay in Washington 
he was the guest of Dr. Boving. Bs > 
Poem 
from a'trip to Argéntina and Chile for investigating the distribution of 
fruiteflies affecting oranges and other fruits, While in Vashington, dn 
preparing his report on his trip, Mr. Moznette made use of the National 
Collection of fruit~flics to obtain data.on the distribution of various. 
forms, While hore- he consulted with dipterists to obtain identification of 
material he had’ collected. The smali collection of miscellanoous insects he 
Obtained while on this trip has becn deposited in the National Collection, 
Don Femando Silvela, Agricultural Attache of the Spanish Enbassy, 
visited the Division of Insects, especially to rcnen his’ acquaintance with 
Dr, Mann, with whon he became acquainted when Dr. Mann wag in Spain last year, 
Miss Grace Sandhouse, graduate student of Cornell University, spent a 
week in the’ Section of Insects studying bees, Most of this time was devoted 
to a study of the types of the bees belonging to the gonus Cosmia. Miss 
Sandhouse is preparing a revision of the North American species of this gems, 
to be submitted to Cornell University as partial requirements for a degree 
of Doctor of Philosophy, It COO ES BABES - 
_ Pr. HE. G. Dyar, assisted by Mr. Shannon, has becn studying various forms 
of Diptera related to mosquitoes, and recently completed an interesting paper 
dealing with the Simliidac. tn making the studies of this group they are 
oeing. & number of new charactors, and it is hopsd that they will be able to 
do some work on the immature Specimens, ..'~ oa 
: ¥. J Phillips. recently. spent about two days “consul ting with Dr. Boving é 
in preparing descriptions of hymenopterous larvac, 
