78 



somewhat difficult to deal with. Remedies : Their ravages may to 

 some extent be checked by dusting powdered lime over the trees. 

 Spraying with a solution of London Purple, or with tobacco, elder, or 

 walnut-leaf water will also help to keep them under. 



Cherry Borer (Maroga gigantella). This is a troublesome moth, the 

 larvse of which is very destructive to Cherry and Peach, as also Plum 

 trees. The perfect insect is small, white, with a black spot on each 

 wing. The larvse first tunnels under the bark, then bores into the heart 

 of the tree, and is indicated by sawdust excrescences. It is very 

 powerful, is about an inch long, and bores very quickly. Remedies : 

 Syringing with kerosene emulsion, hot water, and phenyle. 



CHERRY BORER. 



Fig 1. Branch with sawdust-like excrescences showing the effects of the 

 grub. 2. Larvee working in its bore. 3, Larvse (natural size). 4. Perfect 

 insect (natural size). 



