INJURIOUS INSECTS OF 1903. 



55 



b. Making Tunnels in the Wood: 



Large, square-headed, legless borer, at or near the ground 

 in tunnels, with sawdust-like excrement. 



ROUND-HEADED BORER. 



a b c d 



I'ig. 25. — Saperda Candida, Fab. After Division of IJntomology, U. S. Department of 



Agriculture. 



Remedies: Paper wrappings or deterrent washes should be com- 

 bined with the digging-out process. 



Large, flat-headed, legless borer, in upper trunk in tunnels, 

 with sawdust-like excrement. 



FLAT-HEADED BORER. 



Fig. 26. — Chrysobothris femorata, Fab. Enlarged. After Division of Entomology, U. 

 S. Department of Agriculture. 



Remedies: Same as preceding. 



