190 TRANSFORMATIONS OF INSECTS. 
commences to dig its long and curved ovipositor into the bark; 
there is a larva of Chalcophora Mariana in the wood, and the 
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ICHNEUMONS. 
Ephialtes manifestator. 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- 
