=2- 

















4 
he position of Director of the Dutch Colonial Museum. 
hat Trichogramma pretiosa was successful 
umatra. 
; Prof. H. Maxwell-Lefroy, formely Imperial Entomologist in India, and now 
ecturer on applied zoology at the Imperial College of Science, London, visited 
lashington on his way from England to Australia, where he is going to investigate 
jeevil damage to stored wheat which is to be shipped from Australia to the 
Inited States. 
Prof. Herbert Osborn of Ohio State and Dr. BE. D. Ball, State Entomologist 
of Wisconsin, spent several days with Mr. E. H. Gibson examining types of Homo- 
ptera at the National Museum. 
‘ 
Doctor de Bussy reports 
ly introduced and established in 
HESSIAN-FLY CONFERENCE. 
A general conference of the Hessian-fly staff will take place in Washington, 
d ring the first week in January, for the purpose of comparing notes, for consulta- 
tion with the Chief of the Bureau and others, but especially to ccnsider the Hess- 
dan-fly problem in connection with adaptations and modifications of agronomic 
practice. 
f Experts from the U. 8. Bureau of Plant Industry will be detailed to meet 
the Hessian-fly men in joint conference. 
WANTED? 
LARVAE OF THE LESSER CLOVER-LEAF WHEVIL. 
4 The heads of all field stations are requested to forward to this office 
specimens of the larvae of the lesser clover-leaf weevil and any other related 
species which they may be willing to contribute. These are for use in making 
illustrations in connection with the studies of Messrs. Boving and Pierce in 
Order to facilitate the determination of the economic species of snout beetles. 
This work will be the advantage of all workers in this branch of the Bureau 
because of all workers in this branch of the Bureau because of the fact that 
it will make possible the prompt determination of such larvae in the future. 
INFORMATION ON GRASSHOPERS WANTED. 
C. N. Ainslie has propounded the following questions regarding grass- 
hopper investigations and control. If any of the men of this branch or any 
‘other branch of the Bureau are able to answer one or all of these questions we 
should be very glad to receive the information. 
GRASSHOPPER QUERIES. 
How early in life will young hoppers begin to eat poisoned bran? 
Do any of the adult hoppers survive the winter? 
How long after mating does ovipisition occur? 
Do males mate with more than a single female? 
Ts it fact or mere theory that hopper eggs exposed to the air over winter, or 
during the spring, will perish? 
