PLATE XLV. 



The Woolly Aphis of the Apple. Figure i. — Healthy roots of young apple 



trees as they appeared just after the trees were dug, showing 



the contrast between these and the infested roots (see 



Plate xliv., Figure 2). Figure 2 same as Figure 2, 



Plate xliv., with dirt removed showing galls. 



Figure 3. — Aphids hibernating in scar on 



trunk of young apple tree made 



BY too close trimming. 



