144 



GARDENING FOR THE SOUTH. 



eggs in spring, wander out upon the twigs, and settle at 

 once. With this species the young twigs are generally 

 the only parts of the tree seriously affected. Older twigs, 

 how T ever, are also attacked, and many specimens of the 

 insect may be found upon the trunk. There is generally 

 only one brood in most sections of the country, although 



in the far South 

 there may be two 

 broods occurring in 

 each year. After in- 

 serting its beak and 

 settling, the female 

 molts twice, and be- 

 gins the formation 

 of the scale, which is 

 secreted mainly 

 from the hinder por- 

 tions of the body 

 and extends back- 

 ward, the two cast 

 skins remaining in 

 an overlapping posi- 

 tion on the anterior 

 portion of the scale. 

 The male scale is 

 much smaller than 

 the female scale, as 

 indicated in the figure, and is otherwise distinguished 

 by a few r structural peculiarities. In the first place, there 

 is but one cast skin at its anterior extremity, and in the 

 next place, the hinder portion of the scale is hinged in 

 such a way that it lifts up like a flap, permitting the 

 escape of the adult male. (Howard.) 



Plant* Attacked. — Apple, pear, plum, quince, raspberry, 

 currant, maple, ash, elm and other forest trees. 



Fig. 48 — Aspidiotus )>< rnifiusux. c, Adult 

 female removed from scale, showing em- 

 bryonic young, greatly enlarged, d, Anal 

 plate, still more enlarged. Howard. Div. 

 Ent. U. S. Dept. Agri. 



