Euderus cushmani (Cwfd.) 



Hosts: Coleophora laricella Hbn., Dioryctria zimmermani (Grote). 



Localities: Many in New England and New York. 



Adults: June and July. 



Number per host: One. 



Generations: Probably one. 



Hibernation: In host larval case. 



Chrysocharis laricinelloe (Ratz.) 



Host: Coleophora laricella Hbn. 



Localities: Corinth and Sydney, Maine; Sharon, Vt.; Stockbridge, 

 Mass. ; and Woodstock, Conn. 



Adults: July. 



Number per host: One. 



Generations: One; sometimes a partial second generation. (Dow- 

 den, 1941. U. S. Dept. Agr. Tech. Bui. 757: 45.) 



Hibernation: In host larval case. 



Chrysocharis n. sp. 



Host: Bucculatrix ainsliella Murt. 

 Locality: Beverly, Mass. 

 Adults: July. 



Number per host: Probably one. 

 Generations: Unknown. 



Derostenus silvia (Grit.) 



Hosts: Coleophora laricella Hbn., Exoteleia pinifoliella (Chamb.), 

 Recurvaria apicitripunctella (Clem.). 



Localities: Several localities in Massachusetts, and Woodstock, 

 Conn. 



Adults: June-July. 



Number per host: One. 



Generations: Unknown. 



Horismenus microgaster (Ashm.)§ 



Hosts: Archips rosana (L.), Coleophora laricella Hbn., Exoteleia 

 pinifoliella (Chamb.), Pyrausta futilalis (Led.). 



Localities: Atkinson, N. H.; Melrose, No. Andover, Sherborn, 

 Mass. ; and Woodstock, Conn. 



Adults: June and September. 



Number per host: One. 



Generations: At least two. 



Hibernation: Unknown. 



Hyperparasite of Apanteles and other primary parasites. 



Horismenus violaceus (Ashm.) 



Host: Lithocolletis cincinnatiella (Chamb.). 



Locality: Dover, Mass. 



Adults: August. 



Number per host: Probably one. 



Generations: Unknown. 



Pleurotropis bucculatricis Gah.§ 



Host: Bucculatrix canadensisella Chamb. 

 Locality: Kenduskeag, Maine. 

 Adults: June. 



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