ArrLF. INSECTS 



11 



first, Mild tlic injury (•()ns('([U(!nily ^rciiicr. (2u;iinl;Ui('(r in H)()!) 



cstirn.'iUul IIk; .'uinu.'il loss to tlu; fruit industry of the IJiiitcul 



States from tliis insect iilorK; .'it ovc^r 



$1(),00(),0()(), three lourllis of liiis hein^- 



direct injury t,o llu; ('r<)\) und tin; otlu^r 



oiH! fourth tiie cosi, of spraying and 



sj)ra,y niateriaJs. 



Ahnost, invariably tin; (;odlin-inoth 

 hihernat-es as a larva iji t;)u«;h silken 

 cocoons under loose pieces of hark, in 

 (;r(;vi(;(!S in tin; tr(H! or in near-by fencers, 

 or in other suitable shelter (Vi%. 5). In 

 orchards of srnool li-b.arked trees where 

 no b(5tt(!r pla(;(; is available; they will spin 

 th(Mr (HK;oons in cracks in the ground arid 

 at tin; bas(i of the; trunk. The cocoon is ., ,, ,,. 



. I'Ki. r>. — C.odlin-iiioUi 



Hither thin, but cpilte toUJ!;h, and is inndv. lurv.-i in its coroon on a 



lar^-ely of silk in which are mixed bits of •'-"•k-Hako (x2). 



ni.'ide. II is lined with whit(; 



the subst.'ii) 



which il i,^ 



Fk.-O. — (:.><lliM-n...ll, 

 cocoon (X 2). 



silk, and the outside is rendered 

 (juite inconspicuous by t he addi- 

 tion of bits of dirt and b;irk. 

 TIk! (;ocoons of the over-winter- 

 ing larva^arethickerand toucher 

 than t J lose of t he summer' broods. 

 With the .'ulveiit, of warm 

 we.'itJier in the s})rin^ tlu; k'lrva 

 changes t,o a pupa, usu.'illy 

 within the old cocoon (Fij^. i')), 

 but sometimes it may mij:;rate 

 to .som(! other portion of the 

 trunk and i\wrv, construct a new 

 cocoon. Usually just before; 

 pupat ion t he larva will oi)cn the 



