uOO BIOLOGICAL SURVEY OF 



Spathius Nees 



S. sp. Echo Lake ; S. W. Harbor ; Bar Harbor, June 15. 



Iphiaut.ax Foerster 



I, AUGUSTUS Vier. S. W. Harbor, July 20. 

 I. EURYGASTER (Brulle). Bred from oak twig pruner, June 6 

 (Br.). 



MiCROBRACX)N Ashmead 



M. APicATUs Prov, Bar Harbor ; Salisbury Cove ; S. W. Har- 

 bor, July 18-30. 

 M. GELECHiAE Ashm. Bar Harbor, Aug. 18. Parasitic on 



various species of Gelechia and other Microlepidoptera. 

 M. LUTus Prov. Bar Harbor, July 24. 

 M. MELANASPis Ashm. Pars, of Coleophora salmani. Mt. 



Desert, July (Br.) ; S. W. Harbor, July 13. 

 M. MEROMYZAE Gahau. S. W. Harbor; Long Pond, July 13- 



16. Parasitic on Meromyza americana. 

 M. MONTowESi Vier, Pars, of Paraclemensia acerifoliella. 



Mt. Desert, May 29 (Br.). 

 M. NANUS Prov. S. W. Harbor, June 27. 

 M. NiTiDus Prov. S. W. Harbor, July 13. 

 M. NUPERus Cress. Salisbury Cove, July 25. 

 M. piNi Mues. Long Pond, June 17. Parasitic on the white 



pine weevil {Pissodes strohi). 

 M. PODUNKORUM Vicr. Bar Harbor, Aug. 15. 

 M. PYGMAEus Prov. S. W. Harbor, Sept. 6. Parasitic on 



Microlepidoptera of the genus Coleophora. 

 M. TENUiCEPs Mues. (Proc. U. S. Nat. Museum, vol. 67, art. 8, 



p. 46, 1925). Bar Harbor; Salisbury Cove; Narrows, etc., 



July 10-25. Parasitic on weevils. 

 M. n. sp. (Muesebeck). Bar Harbor, Aug. 16. 



Heterospilus Haliday 



H. LEPTosTYLi Roh. Pars. of borers in cherry. Mt. Desert, 

 June 28 (Br.). 



