XNSEGT8 INJURIOUS TO AGRICULTURE 216 



The Peach-tree Borer (Sannina exiti Say). This 

 borer outranks nil other ii te a destroyer of peach- 



trees, h lays its eggs in the bark near the ground, and 

 the worm on hatching attacks the living trees, boring into 

 the bark and sap-wood oi the roots, or trunk, causing the 



a b 



Fig. 860. Peach-tree i )■ ■ r-« - 1- . a, male; b, female. 



gum to exude, so thai its presence may be easily noticed. 

 When the caterpillar is one year old it make- a <■>■■ 

 under the bark of the trunk or at the larger roots of the 

 tree. To prevent its attacks heap the earth high around 

 the trunk, or wrap tarred paper around the lower part <>t* 



Fig. 861.— 1, eggs of the currant saw fly deposited along tin* midribs; ! ai 

 the holt's bored In the young •■ 



the trunk: when the worm is fairly at work, cut it out, ap- 

 plying wax or clay to the wound. 



