Exochus albifrons Cress. 



Host: Ar chips cerasivorana (Fitch). 

 Locality: North Branford, Conn. 

 Adults: July. 

 Number per host: One. 

 Generations: At least two. 



Exochus apicalis Cress. 



Host: Acrobasis coryliella Dyar. 

 Locality: Wakefield, Mass. 

 Adults: August. 

 Number per host: One. 

 Generations: At least two. 

 Hibernation: Probably in host pupa. 



Exochus dorsatis Cress. 



Host: Salebria semiobscurella Hulst. 

 Locality: York, Maine. 

 Adults: July. 

 Number per host: One. 

 Generations: One. 

 Hibernation: In host pupa. 



Exochus pallipes Cress. 



Hosts: Acrobasis comptoniella Hulst, Archips argyrospila (Wlk.), A. 

 cerasivorana (Fitch), A. jervidana (Clem.), A. injumatana (Zell.), 

 Episimus argutanus (Clem.). 



Localities: Many through New England; and Morristown, N. J. 



Adults : Late in June, July, and August. 



Number per host: One. 



Generations: At least two. 



Hibernation: In host pupa. 



Exochus sp. 



Host: Anacampsis innoculella (Zell.). 

 Locality: Many throughout New England. 

 Adults : July and August. 

 Number per host: One. 

 Generations : At least two. 

 Hibernation: In host pupa. 



Subfamily Ophioninae 



Tribe Campoplegini 



Campoplex frustranae Cush. 



Host: Rhyacionia jrustrana (Comst.). 

 Locality: Nantucket, Mass. 

 Adults: Late in May and June. 

 Number per host: One. 

 Generations: One. 

 Hibernation: In cocoon. 



Campoplex infumatus (Prov.) 



Host: Anacampsis rhoifructella (Clem.). 

 Locality: Melrose, Mass. 

 Adults: June, July. 

 Number per host: One. 

 Generations : At least two. 



74 



