THE MOUNT DESERT REGION 449 



Ascogaster Wesmael 



A. quadridentata \Vesm. Reared (Br.). Pars on clothes 



moth. Nov. 

 A. n. sp. Tremont, June 20 (Br.). 



Mirax Halidav 



M. n, sp. Hunters Beaeli (Br.). Reared from LithocoUetis 

 picturatella in Myrica cerifera. 



DiNARMUS Thomson 



D. n. sp. Hatched four from larch June 30. Two in U.S.N.M. 



Halticoptera Spinola 



H. aenea Walk. Bar Harbor pars, miner in Delphinium. 



Microgaster Latreille 



M. brevicauda Prov. Salisbury Cove; S. W. Harbor, July 



14, 19. 

 M. canadensis Mues. Pars, on leaf -rollers of poplar. Mt. 



Desert July 11 (Br.). 

 M. epagoges Gahan. Salisbury Cove, July 18. Parasitic on 



Epagoc sulfureana. 

 M. facetosa Weed. Common, July 10-20. Parasitic on the 



clover-moth (Plathijpena scabra). 

 M. melligaster Prov. (rubricoxa Prov.). Common on the 



marshes at the Narrows, July 27. 

 M. schizurae Mues. Pars, on the moths. Mt. Desert, June 



27 (Br.). 

 M. n.sp. S. W. Harbor, May 25 (Br.). 



Microplitis Forster 



M. alaskensis Aslun. S. W. Harbor ; Salisbury Cove, July 



14-18. Parasitic on Hadena and Plusia. 

 M. ceratomiae Riley. S. W. Harbor; Bar Harbor, July 20- 



24. Parasitic on the larvae of Sphingidae, Ccratomia, 



Paonias and Sphinx. 



