39 



The Moths and Butterflies 



moths; this prevents the females from ovipositing on the treated trees. Or 

 the base of the trunk may have a newspaper tied about it. 



FIG. 554. Moths of the peach-tree borer, Sanninoidea exitiosa, the upper one and the 

 one at the right being females. (Photograph from life by Slingerland, natural size.) 



The currant-borer, Sesia tifuliformis, expanding three-fourths of an 

 inch, has a robust body with a fan-like tuft of scales at the posterior tip, 



* A 



/ i -.,- s 



>' -"A"? T- 



FIG. 555. Eggs of peach-tree borer, Sanninoidea exitiosa. (After Slingerland; natural 

 size at n; one egg enlarged at /; micropyle end of egg greatly enlarged at m.) 



dark abdomen ringed with yellow, and yellow lines on the thorax; the eggs 

 are laid on currant-canes, and the hatching larvae burrow into the center 

 and then tunnel longitudinally in the pith. They hibernate in the cane 

 as larvae, not pupating until the following summer, when the moths escape 



