Generations : At least two. 



Hibernation: In cocoon of primary parasite (Apanteles). 



FAMILY TRICHOGRAMMATIDAE 



Trichogramma minutum Riley 



Host: Rhyacionia buoliana (Schiff.). 

 Locality: Wakefield. Mass. 

 Adults: Late in July. Ex eggs of host. 

 Number per host: Probably one. 

 Generations: Several in eggs of various hosts. 



FAMILY EULOPHIDAE 

 Subfamily Eulophinae 



Pnigalio rnaculipes (Cwfd.) 



Hosts: Bucculatrix ainsliella Murt., B. packardella Chamb. 



Localities: Beverly and Quincy, Mass. 



Adults: Late in June, July, and August. 



Number per host: One, possibly more in some hosts. 



Generations: At least two. 



Sympiesis guttatipennis Grit. 



Host: Exoteleia pinifoliella (Chamb.). 



Localities: Belchertown and Plymouth, Mass. 



Adults: June. 



Number per host: One; possibly two or three in some hosts. 



Generations : Probably two or more. 



Sympiesis n. sp. 



Host: Exoteleia pinifoliella (Chamb.). 



Locality: Sudbury, Mass. 



Adults: June. 



Number per host: One, possibly more. 



Geuerations: Probably two or more. 



Sympiesis nigrifemora Ashtn. 



Host: Lithocolletis cincinnatiella (Chamb.). 

 Locality: Dover, Mass. 

 Adults: August. 

 Number per host: One. 

 Generations: Probably two or more. 



Eulophus magnisulcatus Grit. 



Host: Coleophora laricella Hbn. 



Localities: Arlington, Melrose, and No. Andover, Mass.; and Green 

 field, N. Y. 

 Adults: June. 

 Number per host: One. 

 Generations: Probably two or more. 



Eulophus sp. 



Host: Anacampsis innoculella (Zell.). 

 Locality: Kokadjo, Maine. 

 Adults: August. 

 Number per host: One. 

 Generations : Unknown. 



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