TRANSFORMATIONS OF INSECTS. 
190 
commences to dig its long and curved ovipositor into the bark ; 
there is a larva of Chalcophora Mariana in the wood, and the 
Ichneumons. 
Ephialtes manifestalor. The male is flying on the left, and the female is introducing an 
egg into the body of a larva. Another Ephialtes , Rhyssa persuasoria , a female, is 
on the branch to the left hand. 
Ephialtes has become aware of it. The insect lowers its head and 
grasps the bark with its legs ; it then lifts up its abdomen, bring- 
