THi': !-(>( rsr lidiniit. 



5 



mado l)v tluMii. By the I'otli <»t' Jiilv the larxii- attained their full size. 

 I>y the 'Jstli some of tlielli elianj^cd to pupa-, and tlie pei-fect in.seet.s 

 wei'e on the t I'ees Septenil)er ;'.. These ohser\ation> were made on his 

 ^rounds near Hoxhury. Mass.. (hirin*:" se\"eral years ])i-e\ ions to is^l, 

 when they weic reported in a h-tter to .John L(>\V(dK and pultli>hed, 

 toj^ctlier with an account of his unsuccessful expei-iments with white- 

 wash, mortar, and phister, in tlie Ahissachusetts Aij'i icultui'al dournal. 

 Vohuiie \'I. iSiM. paucs ■J7<>--JT.">. 



C oh r. I'ickcrinu-. in a letter to Mr. Lowell the same year and pub- 

 lished in the same Nolume. stated that there wi-re trees in New Uamp- 

 s!iir(^ uninjured l>y the l)orer. as well as in some of the Southern States; 

 that he had olisci\i'd the stems' of younu' tribes in Washintfton. D. C, 

 infested, while in 

 (Teorifetownl !).('. ) 

 he saw la i-^e thrifty 

 trei's uiuujured: 

 and he concluded 

 that natural L:i"i'wth 

 in j;i"o\es was much 

 less lia))le to injury 

 than transplanted 

 e-r(^»wt h. 



Fitch. writiniL!' i" 

 1S58, stated that 

 numl)ers of speci- 

 mens wen^ s(>nt to 

 him year after year 

 from Indian Tei-ri- 

 tory. 



Schwai-z (IMtO) 

 observed that in 

 and around the 

 I >i>trict of ( olumbia the insect li \cs in lai^-e color ne-. all'ect inu' all tives 

 of small j^noves. w Idle lonj^- hillsides full of locust are not infested. 



K. S. Kelloj^ir, ji, his discussion of forest plantin»i- in westeiii Kansa.s, 

 says:" 



By locatinjr iilantation on pxid iriuiirnl ami ^ivin<r it )irst-cla.x.« rare, the trees will 

 reach fence-post si/c ln'toro the l)orers <lo much t|j^iiajre. They slioald tlicn l>e cut 

 anil utilized. The rapid sprout irrowth will .<oon make a new crop. A stamp sprout 

 sometimes attains a height of 10 feet the lirst season. Handled in this manner, l)lHck 

 locust can he profitably raise<l in many jilaces where it is altogetluT unsnited for a 

 permanent tree. 



.\t present borers are a menace to liiack i-.cnst trees throughout western Kan.sis 

 and Nebraska, though there an* occasional local areas that are not affectetl. They 



Fii.. I.— Tlu' locust borer (C(///(//' lohinuv): a, pupa, vi-iitnil vivw: li, 

 saiiu'. (lor-^nl view. .Much cnliinrcrl (oriKiriHii. 



aBul. 52. Bur. Forestry, V. S. Dept. Agric, UKM. 

 27585— No. 58, pt 1—06 2 



