314 PESTS OF ORCHARD AND SMALL FRUITS 
buds and newly forming leaves. When the pests are numerous, the 
leaves are killed, and often are blackened through the growth of a fungus 
on the sticky honeydew secreted by the insect. 
Fic. 482.— Work of the Pear Psylla. Original. 
The adult is very small, dark in color, its body showing characteristic 
markings. It has four membranous wings. Seen through a hand lens 
it looks like a tiny cicada, or “lo- 
cust.” 
The adults hide away for the 
winter in crevices of the bark, and 
emerge and lay eggs at the time 
that the buds are swelling. The 
young are numerous when the 
blossoms are falling. There are 
Fre. 403. — Adit Boar Peyily. “Hine four or five broods in a season. 
larged and natural size. Original. The pest may be controlled by 
