WASP GENUS CERCERIS — SCULLEN 395 



nois), Chamaecrista fasciculata (Nebraska), Daucus carota (Ohio), 

 Euphorbia sp. (Nebraska), Euphorbia marginata (Kansas), Helianthus 

 sp. (Nebraska), Sium circutaefolium (North Dakota), Solidago sp. 

 (Kansas), Thelesperma gracile (Kansas). 



22b. Cerceris rufinoda crucis Viereck and Cockerell, new status 



Figure 27 



Cerceris rufinoda var. crucis Viereck and Cockerell, 1904, p. 139. — Smith, H. S., 

 1908, 370.— Banks, 1912a, p. 26.— Stevens, 1917, p. 422.— Mickel, 1917b, 

 p. 453.— ScuUen, 1951, p. 1010. 



Female. — Length 9 to 10 mm. Black and reddish amber with hght 

 yellow markings; deeply and closely pitted; clothed with very short 

 silvery hairs. 



Head as for C. rujinoda rufinoda Cresson. 



Thorax black except for the propodeum, which is reddish amber 

 exclusive of the enclosure, which is black; yellow markings as follows: 

 two elongate patches on the pronotum, broken band on the scutellum, 

 the metanotum, patch on the pleuron, and the tegulae; tegulae eleva- 

 ted and pitted; enclosure rugose; mesosternal tubercle small; legs 

 amber; wings subhyaline, clouded at the apex. 



Abdomen black except tergum 1, which is reddish amber with a 

 semidivided yellow patch; tergum 2 with a broad yellow band; terga 

 3 to 5 with deeply emarginate yellow bands; venter amber anteriorly 

 becoming darker posteriorly. 



M ALE . — Indistinguishable . 



This is being raised from a variety to a subspecies. 



Type. — The type female, from Las Cruces, N. Mex., Sept. 25, 

 1895 (Cockerell), is at the Philadelphia Academy of Natural Sciences, 

 no. 10393. 



Distribution. — Mostly in the Rocky Mountain area and occasion- 

 ally west. Specimens are as follows : 



California: 9, Topaz Lake, Mono Co., July 17, 1951 (A. T. McClay). Col- 

 orado: ?, Boulder Co., Sept. 10, 18, 1925 (C. P. Custer); ?, Crowley Co., 

 Aug. 4, 1933; 9, Denver, Sept. 5, 1920; 9, White Rock, near Boulder, 5100 ft., 

 Aug. 13, 1919; 9, Julesburg, Aug. 4, 1899; 9, Jumbo Rs. [sic], Crook [Logan Co.], 

 Aug. 12, 1901 (Sandhouse); 9, LaJunta, 4100 ft., Aug. 12, 1920. Idaho: 9, 

 Bruneau, Owyhee Co., July 22, 1952 (W. F. Barr) ; Hot Creek Falls, Owyhee Co., 

 July 22, 1952 (W, F. Barr). Kansas: 9, McKinney Lake, Kearny Co., July 12, 

 13, 1954 (H. E. and M. A. Evens); 9, Norton Co., 2270ft., Aug. 24, 1912 (F. X, 

 Williams); 9, PhUlips Co., 1940 ft., Aug. 30, 1912 (F. X. Williams); 4 99, 

 Riley Co., Aug. 30, Sept. 3, 4 (J. B. Norton); 9, Riley Co., Sept. (Marlatt). 

 New Mexico: 9, Deming, 4000 ft., Aug. 2, 1946 (H. A. Scullen). Oregon: 

 9, Ontario, 2150 ft., Aug. 2, 1929 (H. A. Scullen); 9, 14 mi. E. The Dalles, 

 July 17, 1929 (H. A. Scullen). Texas: 9, Davis Mts., Jeff Davis Co., July 9, 

 1942 (H. A. ScuUen); 9, Fabens, Oct. 17, 1943 (R. W. Strandtmann) ; 9, Fedor, 

 Sept. 23, 1897 (Birkmann). Utah: 9, Goshen, Aug. 12, 1949 (George Bohart) ; 



