1098 



FRUIT CULTURE. 



living in clusters, and secreting over themselves small 

 patches of a cotton-like covering. 



The vigorous use of a stiff brush wet with the alkaline 

 solution of v soap, recommended under the Round-headed 

 Borer, will be found very efficient ; or a solution made 

 by mixing five pounds of fresh lime with one pound of 

 sulphur and two gallons of water, and heating until the 

 sulphur is dissolved. After destroying those on the 



Fig. 150t. 



Oyster-shell 



Bark-louse. 



Fig. 1501.— Male. 



Pig. 1502.— Female. 



Apple-tree Tent Caterpillar. 



trunk and cutting away all suckers, the earth should be removed 

 from about the base of the trunk, the parts below the surface cleaned, 

 and fresh earth placed about the roots. 



Oyster-Shell Bark-Louse. 

 This appears in the form of minute scales, about one sixth of an 

 inch long, of a brownish or grayish color, closely resembling that of 

 the bark of the tree, and somewhat like the shell of an oyster in 



Fig. 1503.— Fall Canker-worm. 



a, b, Eggs; c, Side view of seg- 

 ments of body; e, mass of eggs; f, 

 Caterpillar. 



shape, adhering to the surface of 

 the bark, and placed irregularly, 

 most of them lengthwise of the 

 limb or twig, with the smaller end 

 upward. In some instances the 

 branches of apple-trees may, be 

 found literally covered with these 



Fig. 1504.— Codling Moth. 



a, c, Burrowings of the larva; b, Point of 

 entrance; d, Chrysalis; e, Full-grown larva; 

 f, Moth, with wings closed; g, Same, with 

 wings extended; h, head of larva* 



