No. 2317. FIVE TRIBES OF ICHNEUMON IN AE—ROHWER. 



459 



Host.—Dicerca divaricata Say; Dicerca, species in Alnus; Leptura, 

 either ruhrica or vagans; Serropalpus, species in fir. All these records 



FiQ. 12.— Female of Odontomerus canadensw Provanctieb. 



from the unpublished notes of the Branch of Forest Insects, Bureau 

 of Entomology. 



