64 U. S. NATIONAL MUSEUM BULLETIN 216 



or absent; sides of propodeum densely, and dorsal region sparsely, 

 punctate; hind femur about 4.5 times as long as deep; abdomen 

 moderately broad; tergite 1 about as broad as long, with numerous 

 punctures on sides and at apex of central area; tergites 2-7, except on 

 the weakly transstriate apices, rather densely punctate, with punctures 

 progressively shallower and more indistinct on successive tergites; 

 all except the first pair of sternites unusually small; sheath as long as 

 abdomen; ovipositor rather weakly compressed and with a distinct 

 nodus. 



Black, usually with reddish suffusion or markings on abdomen, es- 

 pecially on sides of apical tergites; palpi pale yellowish, more or less 

 stained with pale reddish; hind corner of pronotum with a short 

 whitish mark; legs reddish, with trochanters more or less pale yellowish 

 beneath; tibiae and tarsi mostly as in male, but usually with fuscous 

 markings more distinct on hind tibia. 



Specimens (36cf, 429): 9, Oak Creek Canyon, Ariz., July 9, 1941, 

 R. H. Beamer (Lawrence). 9, Oak Creek Canyon, Ariz., May 19, 

 1947, H. and M. Townes (Townes). cf, 9, Parker Creek, Sierra Ancha, 

 Ariz., Apr. 20 and 29, 1947, H. and M. Townes (Townes). 4cf, near 

 Roosevelt Lake, Ariz., Apr. 23 and 27, 1947, H. and M. Townes 

 (Townes). 79, Workman Creek, Sierra Ancha, Ariz., Apr. 30, and 

 and May 1 and 3, 1947, H. and M. Townes (Townes). 9, Berkeley, 

 Calif., May 1, 1952, R. Schuster (Berkeley). 9, Bixby Creek, Mon- 

 terey Co., Calif., Aug. 5. 1949, M. Wasbauer (Berkeley). 9, Bridge 

 Creek Camp, Lassen Co., Calif., July 9, 1949, H. A. Hunt (Davis). 

 9, Corral Hollow, San Joaquin Co., Calif., Oct. 21, 1946, G. E. Bohart 

 (Berkeley), cf, Crane Flat, Yosemite Park, Calif., July 22, 1948, 

 Townes family (Townes). 9, Grover City, San Luis Obispo Co., 

 Calif., July 4, 1956, P. D. Hurd (Berkeley). 9, Inverness, Marin Co., 

 Calif., March 31, 1949, P. D. Hurd (Berkeley). 9, La Jolla, Calif., 

 July 13, 1941, R. H. Beamer (Lawrence). 9, La Jolla, Calif., July 13, 

 1941, E. L. Todd (Lawrence). 12 o", 39, Lake Tenaya, Yosemite 

 Park, Calif., July 29, 1949, reared in laboratory, Jan. 24, 1950, July 

 27 and Aug. 1 and 17, 1951 (Ottawa). d\ 9, Lake Tenaya, Yosemite 

 Park, Calif., July 10, 1953, J. H. McLeod (Ottawa). 9, Lompoc, 

 Calif., Aug. 9, 1938, R. H. Beamer (Lawrence). 2 9, Lone Pine, 

 Calif., July 28, 1940, D. E. Hardy (Lawrence). 9, Monterey, Calif., 

 Aug. 10, 1938, L. W. Hepner (Lawrence). 9, Mount Lassen at 8,000 

 ft., Calif., Aug. 31, 1936, T. D. A. Cockerell (San Francisco). 9, Oak- 

 land, Calif., May 1936, E. S. Ross (Townes). 9, Occidental, Sonoma 

 Co., Calif., Sept. 16, 1938, R. H. Beamer (Lawrence). 4d\ Pentz in 

 Butte Co., Calif., June 11, 14, 16, and 17, 1928, H. H. Keifer (San 

 Francisco). 9, Pescadero, San Mateo Co., Calif., May 9, 1954, M. 

 Wasbauer (Berkeley). 9, Pismo Beach, San Luis Obispo Co., Calif., 



