U. t,. D. A.. B. E. Bill. W. Part T. F. I. I., Jniii' 13, 190fi. 



SOME INSECrS INJnilOUS TO FORESTS. 



THE LOCUST BORER. 



(C'l/llnii' ral'iui.-r Forst. )« 



Hy A. I). H..i'KiNs, 

 In Char<ji' of Fonat humect Livestigations. 



OBJECT OF PAPER. 



Tlio object of this paper is to give a suniniary of the more important 

 published information, supplemented hy recently determined new facts 

 relatintr to the locust borer aiul methods of controlling it, which will 

 be of service to the investigator in the determination of additional 

 facts, and to the owners of plantations and forests in suggesting 

 methods of preventing losses. 



ECONOMIC IMPORTANCE OF THE INSECT. 



The ('conoiiiic iiiii)<)rtaiicc (if the well known locust i)orer as atfect- 

 ing the growth of the l>Iack locust oi" yellow U)cust {liobhu'd pseudn- 

 caciii) is fully rcali/cd by cvervoii«> who is iiitcrcsteil in this valuble 

 forest and shade tree, and the urgent need of additional information 

 on the subject is indicated l»y the frc(|uerit iii(|uiries of correspond- 

 ents and by the recent articles in newspapei's, journals, and sp(»cial 

 publications which have l)een called forth by th(> proj)osed extensive 

 commercial planting of the locust by railroad and other companies and 

 by indi\ iduals. 



INVESTIGATIONS. 



In connection with (he geneial study of insects injurioU'> to forest 

 trees, the locust boicr has received considerable attention by the writer 

 since 1890.* In March, IQO.*), a plan of coojieration between th«> 



" Order Coleoptera, Family fVraiiihycid;!. 



''From ISltOtu ISH'J fur flic West Virginia llxiMTiiiu-iit Station, uridsirKv 1!HV_' fnr (he 

 U. S. Department of A^'riculturc 



1 



