302 U. S. NATIONAL MUSEUM BULLETIN 216 



0.8, 0.7, 0.6, and 0.3 of the first through fourth segments respectively, 

 white, the extreme base of fifth segment pale. 



Specimens: 9 (type), Bar Harbor, Maine, July 5, 1935 (Washing- 

 ton). 9, Roscommon Co., Mich., July 3, 1945, R. R. Dreisbach (Ann 

 Arbor), d", Rudyard, Mich., June 4, 1957, H. Townes (Townes). 

 9, Itasca State Park, Minn., July 4, 1954, K. J. Kraft (St. Paul). 

 9, Haugan, Mont., Aug. 9, 1931, R. H. Beamer (Lawrence). 9, Heart 

 Lake on Mount Marcy at 2,150 ft., N. Y., July 4, 1938, C. P. Alex- 

 ander (Townes). d\ Saranac Lake, N. Y., June 8, 1946, R. T. 

 Mitchell (Townes). 9, Smoky Falls on the Mattagami River, Ont., 

 July 26, 1934, G. S. Walley (Ottawa). 9, Laniel, Que., July 8, 1944, 

 A. R. Brooks (Ottawa). 9, Mount Lyall, Que., July 27, 1933, W. J. 

 Brown (Ottawa). 9, Plainfield, Vt., July 20-24, 1941, R. H. McCauley 

 (Townes). 



This subspecies occurs from the Atlantic to Montana, in the Cana- 

 dian zone. It is scarce in collections. 



2. Genus Ephialtes 



Figure 298,b 



Ephialtes Schrank, 1802, Fauna boica, vol. 2, p. 316. Type: Ichneumon com- 



punctor Linnaeus; monobasic. 

 Apechthis Foerster, 1868, Verh. Naturh. Ver. Rheinlande, vol. 25, p. 164. Type: 



(Pimpla rubala (!) Gravenhorst) = rw/a£us Gmelin; designated by Ashmead, 



1900. 

 Apechtis Thomson, 1889, Opuscula entomologica, fasc. 12, p. 1410. Type: Apech- 



tis flavonotata (Holmgren); designated by Viereck, 1914. 

 Taiwatheronia Sonan, 1936, Trans. Nat. Hist. Soc. Formosa, vol. 26, p. 256. 



Type: (Taiwatheronia mahasenae Sonan) =-taiwana Uchida; original desig- 

 nation. 

 Parapechthis Blanchard, 1936, Anal. Soc. Cient. Argentina, vol. 122, p. 404. 



New synonymy. Type: Parapechthis bazani Blanchard; original designation. 



Front wing 5 to )3 mm. long; inner margin of eye rather strongly 

 concave opposite antennal socket; labrum hidden beneath clypeus; 

 cheek short; mandible broad, its teeth approximately equal; notaulus 

 weak or absent, without a distinct crest at its front end; median 

 longitudinal carinae of propodeum usually present basally, the pro- 

 podeum otherwise without carinae; hind femur without a tooth 

 beneath; front, middle, and sometimes hind tarsal claws of female 

 with a large tooth; tarsal claws without an enlarged, flat-tipped hair; 

 abdomen with close, rather coarse punctures; tip of ovipositor always 

 sharply curved downward. 



This genus is widely distributed but with only a moderate number 

 of species. All are parasitic on lepidopterous pupae. When captured 

 all of them give off the same strong pungent odor that is characteristic 

 of the species of Coccygornimus. Adults occur mostly among the under- 



