jV . .« MONTHLY LETTER OF THE BUREAU OF ENTOMOLOGY 
«1.» UNITED STATES DEPARTMENT OF AGRICULTURE = > 



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FOREST INSECT INVESTIGATIONS 
ee 1Cs, sia Spe Entomologist in Charge 
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Doctor Craighead has just returned from a three weeks' trip in the 
Western States, during whick ‘he attendeda conferenceof the western men at 
Klamath Falls, Oreg. On the way out a day's stop was made at St. Paul 
Minn., to discuss, ‘with Doctor Riley’ and Doetor Graham, plans for bvoperauine 
work with thé University’ of innésota. One* day’ was spent at the Northern : 
Rocky Mountain Station, ‘Coeur’ af ‘Alene, Idaho" with Mr’! ‘Evenden; a day each" 
at the Forest Service District” offices at Portland, “Oreg:.. : ona San Prihaditsco, 
Calif. , and at the’ Forest Insect Station at’ Palo Alto, Carrere ie remainder 
of the time was devoted to mee ings at Klaiiath’ Falls’ Those | present were 
Doctor Burke, Messrs. Miller, Edmonston, ‘Keen, “Evenden. Pattérson, Hauge and 
Person. Plans were laid for cshcentrating all. work for the, next, “few years 
on barkbeetle problems, to meet -the increasing. demand for our: ‘Service on 
this important problem., Coordination of efforts on both “control. and irivesti- 
gative,.work. will: be a: feature. of the new. plan.. under. ‘the regional leadership 
of Mr. Miller and-Doctor,., Burke . -More direct. contact. between. the District 
Forest offices and Forest Insect field stations will. also be. arranged. 
‘The conference was entertained con two-occasions - once:by the Klamath 
Falls-:Rotary Club and again: by:.the Chamber of, Commerce, ‘ where expressions 
of appreciation were voiced forthe services the Bureaw-is rendering. timber- 
land owners in the protection of their forests from barkbeetles., Messrs.~- 
Craighead, Miller, and Evenden*spokeée of various..phases of the Bureau. work. 
The excellent support: the: Bureau is receiving from the Forest Serviée 
and eon tae owners is very UST SA ¢ J 
On November ZO LaLOs Dr? a ee sivach ‘visited thé Naval Aircraft ‘Fac- . 
tory, U. S. Navy Yard, Philadelphia, Pa i outline cooperative experiments 
in steaming, in kiln, lumber infested 7a Lyctus powder-post beetles. © Vari- 
_ ous temperatures Poin 120° to: 180° F. are to be tested to. determine fatal 
temperatures. R. A. St. George. supérvised thes¢’ Steaming tests from Pics OS 
11 to.14, at the Naval Aircraft Factory. ' 
Mr. St. Saencae visited, a “wood- turning. factory at’ Front Royal, Va., to | 
determine the results of cooperative tests to prevent attack by wood- -poring 
insects. 
Doctor Snyder inspected telephone poles in the vicinity of Norfolk, 
Va., December 15 and 16, to determine the distribution of and extent of dam- 
age by the northern Florida termite Kaloiermes approximatus Snyder. This nonsub- 
terranean wood-boring termite has not yet become a pest in Virginia. 
