ICHNEUMON-FLIES OF AMERICA: 1. METOPIENAE 293 



Figure 188. — Species of Exochus, ? : a-k, propodea, showing carinae and hair arrangement; 



1, mandible. 



a, stenostoma 



b, mitratus orias 



c, pictus xanthopiis 



d, russeus 



e, enodis 



f, montivagus 



g, flavifrontalis 



h, attic eps atriceps 



i, hulcatus 



j, albifrons 



k, decoratus scilulus 



1, stenoitoma 



