100 INSECTS INFESTING THE APPLE TREE. 



tree aphis (Aphis mali), though they are larger, and generally 

 of a darker color. The winged insect of this species differ 

 from the A. mali in being larger, and the thorax and abdomen 

 are black ; there is also a slight difference in the venation of 

 the wings. 



These insects emit a honey dew, which gives the leaves and 

 branches an appearance similar to that caused by the apple- 

 tree aphis (A. mali). 



Remedies. — To be used as described in Chapter XLVI 

 for the apple-tree aphis. 



CHAPTER XLVIII. 



The Ten-lined Leaf Eater. (Cal.) 



( Polyphylla dccemlineata — Say. ) 



Order, Coleopteka : Familv, ScARAB.^iiD.E. 



I I I i I I I I I I I mil 

 [The ineasuiciiieiits of iiiseots in this work are given in inches aiifl lines. The above cut rep- 

 resents one inch divided into lines and fractions thereof.] 



[Feeding upon the leaves of the apple and other fruit trees, 

 a large, grayish-brown beetle, marked with white lines ; or, 

 feeding upon the roots of grass, a large, white, six-legged larva 

 or worm]. 



The perfect beetle (Plate 1, Fig. 74, male; Fig. 75, female) 

 measures from an inch to an inch and three lines, and is of a 

 reddish brown color, covered with short yellowish hairs, which 

 give it a grayish appearance ; the thor^ix is marked with three 

 white stripes, and on each wing-cover are three white stripes, 

 and two or three less distinct whitish lines. 



The habits and transformations of this species are similar to 

 those of the common May beetle. 



Remedy. — Use No. 88. 



