INSECTS AFFECTING PARK AND WOOUl.ANU IKEES 



^8 I 



secreting themselves therein and feet! on tlie foUai^e. Tliey are slemler, 

 pale screen or yeUowish i^reen caterpillars sometimes reildisii or l)ro\\ nisii, 

 al)out \^ inch lonj^, with the head and thoracic shield hroun ami often a 

 ijreen stripe alon(,r the back. They attain their <,rro\vth in early June, 

 transform to pupae, delicate brown moths with a winter spread of about 7^ 

 inch appearing the latter part of June or early in Jul\. 



Rose leaf folder 



,lrr////>s rosaiia Linn. 



.\ (lark olive-green, hrown-hcaded ( aterpillar leeds within the \vel)!)e(l-togetlier leaves 

 of rose and a niiniher of other |)lants. 



1 his leaf roller is an introduced species and like its allies, not \'er\- par- 

 ticular as to Its food |)lanis. It has Ix.-en recorded ti'oni wild rose, aiiple, 

 hawthorn, raspberry, haz(d, currant and gooseberry. Hoih lar\a and ninth 

 are darker than thos<- of most of our nati\'e species. The brownish "-raN- 

 moth, having a wing spread of about .^4 inch appears in earl\ |une. 



Platynota fiavedana Clem. This is another small rose leaf roller liable 

 to cause more or less injury outdoors and likeK' to iinade greenhouses, in 

 which latter it may acquire the bud-eating habit. 



Walnut curculio 

 CoHoh'aclu'liis juglaiidis Lee. 

 .\ cure nlio very niu< h reseml)iing the plum pest though 

 larger, '4 ini h long, freijuently infests walnuts and 

 luitternuts. 



This s|jecies ver\' closel)' resembles the plum 

 curculio. It is about J/4 inch in length, reddish 

 brown and ])rettily ornamented w ith golden and 

 silvery hairs. Tin- most conspicuous feature is 

 the broad transverse whitish band on the ])osterior 

 third of the wing covers. The curious projec- 

 tions on the wing covers seen in the ])liun curculio 

 also occur, and an examination with the lens shows them to be strongly 

 ridged and ornainented with several minor processes. 



FiK. 145 C" !■ n " t r .1 > h e 1 li s jiic- 

 1 .( n il i s , eitl.-ir^nl iDfi^inul) 



