no 



THE WHITE I'lM". 



secTotioii, lu'iioatli wliicli covt-rin;: are concealed myriads of iiiiimto lice. Miizonnim pinicola 

 Tlios., feeds on tiie tender sliOdts of young Wliite I'ine. 



Keroseue emulsiou applicil as a spray is the appropriate remedy for tbese plaut-liee. 



LEAF-FEEDING INSECTS. 

 The most destrnetive insects of the foliage of pine are several species of sawflies of the genera 

 Lophyrus and Lyda, one of which is represented iu its several stages at fig. 13. It is called 



Fio. K.—Lophiirut abl/otii : 1 female, i nlarsiil ; 2, 3, 

 pupa, enlar;ie(l; 4, 4, larva-, natural wizu; 5, cocoon, 

 natural size ; 6, male ant. nua, 7. i'.iiiale antenna, enlarged 

 (from Eilcy). 



Kkj. 14 Tiil>es of luiie leaves made !)>* pine tiibe-huilder— natural size 



(from Packard). 



Abbot's white-pine sawlly (Lophyrus ahhotii Leach.), and is perhaps the most iiijiirious foliage 

 feeder which infests tlie pine woods of the North. 



The caterpillar of a single species of butterlly, Thcchi niphon Ilbn., is known to feed luxm the 

 foliage of White Pine, but ainoug the larvie of moths of dilVerent families are innumerable piue- 



Fio. 15.— r/iior.<i<)jij iiini/oli(T: 2, scales on White Pine, leaves stunted ; 2n, same leaves not stunted liy insects : 2(-. 2c. female scale ; 2d, male 

 scale— 2 and 2o natural size, 2i .and 2c much enlarged (from CouistocU Ann., Kepi. Uept. Agr., 1880). 



feeding species. Prominent among them is the magnificent sulphur-yellow imperial moth (Eacles 

 imperialis Dm.), who.se larva attacks the leaves of various forest trees. Of other moths whose 

 caterpillars devour the foliage of White IMne may be mentioned : Ilarris's pine hawk moth ( Kllona 

 harrisii Clem, i, 7:,". coi/i/mrn/w S. and A., ^. pincum Lint., Tohjpe larinn Fitch, the white-pine 

 tufted caterpillar (Plati/cenirttfurcUla Pack.), the redliead incbworm (Semiothim bisiffiiaUi Walk.), 



