THE MOUNT DESERT REGION 48 • 



S. DOLiCHOGASTEB A slim. Parastic on Gracilaria fraxinella. 



Bred July 26 (Br.). 

 S. lexingtonensis Gir. Pars, on the blotch miner of beech. 



July 21-31 (Br.). 

 S. maculipks (Cwfd.). Reared ex Lithocolletis hamame- 



Uella. 

 S. metacomet (Cwfd.). Pars. Cameraria aceriella. In 



U.S.N.M. 

 S. NiGRiFEMORA Ashm. S. W. Harbor, July 11. 

 S. nigripes Ashm. Reared from blotch miner on Amelan- 



chier Aug. 8 (Br.). 

 S. rex Grir. Reared from blotch miner on willow, Sept. 16 



(Br.). 

 S. n.sp. Reared from Myeloboms ramiperda mining twigs 



of Pinus strobus Aug*. (Br.). 

 S. n.sp. Reared from gray birch, Aug. 7 (Br.). 

 S. sp. Bar Harbor. Pars. Brachys on willow. In U.S.N.M. 



Microplectron Foerster 



M. fuscipennis (Zett.). A species introduced into Eastern 

 Canada. Bred from D. polytomnm. Common. 



Tetrastichus Haliday 



T. cheamytis Ashm. Pars. Exema dispar. In U.S.N.M. 

 T. sp. Reared from gall on aster, Aug. In U.S.N.M. 

 T. sp. Reared from gall on Populus tremuloides. 



Cirrospiloideus Ashmead 



C. johnsoni Grir. Narrows, June 24. 



Euplectrus Westwood 



E. bicolor Swed. Bred from a green Noctuid on grass, July 



19 (Br.). 

 E. sp. S. W. Harbor, July 11. 



