ANIMALS INjrRIOUS TO TOREST AND ORNAMENTAL TREES. 39 



For killing the caterpillars, paraffin, paraffin emulsion, tobacco- 

 water, etc., squirted into the tunnels, have been recommended; also 

 the fumes of sulphur and tobacco blown into the tunnels. The most 

 certain remedy, however, is to place pieces of stick cyanide into the 



FIG. 19. Portion of Ash Tree, showing entrance to tunnels. 



entrances of the tunnels, plugging; them up well with clay, and 

 smearing the trunk over with clay also. 



Timber badly infested is best destroyed. 



THE BUFF-TIP MOTH. 



Pvgaera bitceplmla, Steph. 



Warwickshire, Staffordshire and Leicestershire correspondents 

 have forwarded the larvae of this destructive moth as damaging elm 

 and beech trees. 



