390 



The Moths and Butterflies 



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

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



|r — ■' ""If^TJW'?'' •' 



"^ ' ■ -" ^- *»*J-!* ■r»+Vll*i 



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

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



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

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



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

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



dark abdomen ringed with yellow, and yellow lines on the thcra.x; the eggs 

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

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

 as larva;, not pupating until the following summer, when the moths c-scajx: 



