THE FEMALE OF AN ICHNEUMON-FLY (RhysSd pet SUaSOria) BORING 

 WITH ITS OVIPOSITOR IN A FELLED TREE AND LAYING ITS EGGS IN THE 

 GRUB OF THE GIANT SAW-FLY (Sirex gifas), WHICH IS DEEPLY 

 EMBEDDED IN THE WOOD 



The eggs of the Ichneumon-fly hatch inside the grub of the Saw-fly, which is then 

 devoured by the Ichneumon grubs. 



