30 CIRCULAR 270, U.S. DEPARTMENT OF AGRICULTURE 



CONTROL 



The most effective means of control consists of placing bands of 

 suitable material on the tree trunks to prevent the worms from climb- 



-SNQB& 



Figure 33.— Pear tree showing effects of severe attack by the tarnished plant bug. Only a few 

 normal fruit buds are left in the top of the tree. 



ing into the trees. Sheets of cotton batting cut into strips 5 or 6 

 inches wide may be used. A strip should be wrapped around the 

 trunk, overlapped an inch or so, and tied tightly with twine near the 

 bottom of the band (fig. 37) ; the top of the band should then be pulled 



