REVISION OF GENUS EUCERCERIS CRESSON 11 



June 11, 1964 (J. M. Davidson). New Mexico: ?, 5cf cf, 1 mi. N., Rodeo, July 

 28, 29, 1963 (Cazier and Mortenson) ; 9 , cf, 18 mi. N., Rodeo, Hidalgo County, 

 Aug. 25, 1958 (R. M. Bohart). MEXICO: Baja California: cf. Big Canyon, 

 Sierra Laguna, Oct. 13, 1941 (Ross and Bohart) ; 2cf cf , Cabo San Lucas, July 17, 

 1959 (H. B. Leech) ; 2cf cf'. Coyote Cove, Concepcion Bay, Oct. 1, 1941, (Ross and 

 Bohart) ; & La Paz, June 29, 1919 (G.F.Ferris) ; 9 , same locality, Oct. 1923 (W.M. 

 Mann); &, same locality, Oct. 10-12, 1954 (F. X. Williams); 3 9 9, 6cf cf, 10 

 mi. E. of San Ignacio, Sept. 30, 1941, Composite (Ross and Bohart); 9 , San Jos6 

 del Cobo to Triunfo, 1911; 9cf d', San Pedro, Oct. 7, 1941, Compositae (Ross and 

 Bohart). Sonora: 7 9 9, 16cf cf, 32 mi. SE., Guaymas, 125 ft., Sept. 14, 1963, 

 Baccharis glutinosa (ScuUen and Bolinger); 2c^c?', 10 mi. E., Navojoa, Aug. 13, 

 1959 (W. L. Nutting, F. G. Werner). 



Prey records: None. 



Plant records: Acacia sp. (Arizona), Baccharis glutinosa (Arizona, 

 Sonora, Mex.), Compositae (Baja California, Mex.), Eriogonum sp. 

 (Arizona), Haplopappus (Aplopappus) (Arizona), Koeberlinia spinosa 

 (New Mexico), Lepidium sp. (Arizona), Sapindus saponaria (Arizona). 



2. Eucerceris apicata Banks 



Figures 2, 60a,b,c,d,e,f,g 



Eucerceris apicata Banks, 1915, p. 404. cT. — Scullen, 1965, pp. 132-135. 

 Eucerceris elegans Mickel (!) 1916, p. 413; 1917, pp. 454, 456.— Scullen, 1939, 



pp. 18, 19, 32-34, figs. 21, 41, 63, 81, 96, 114, 128, 143; 1948, pp. 156, 159, 



171; 1951, p. 1011. 

 Eucerceris conata Scullen, 1939, pp. 18, 34-35, figs. 22, 23, 64, 97, 144, 9 ; 1948, 



pp. 158, 171, 172; 1951, p. 1011. 

 Eucerceris hespera Scullen, 1948, pp. 156, 171-172, figs. 8A, B, C, 14, d^ ; 1951, 



p. 1012. 



Types. — The holotype male of E. apicata Banks is at the Museum 

 of Comparative Zoology, Harvard, No. 13792. It is from Yuma, Ariz. 

 The holotype female of E. conata Scullen is at the University of 

 Nebraska. It was taken at Halsey, Nebr., Aug. 28, 191 1 (J. T. Zimmer). 

 The holotype male of E. hespera Scullen is at the CaUfornia Academy 

 of Sciences and was taken 25 mi. E. of El Paso, Tex. on U.S. Hwy. 62, 

 July 13, 1942 (H. A. Scullen). A discussion of the confused relationship 

 of this and closely allied species was published by the writer in 1965.^ 



Distribution. — Abundant in southern Arizona, New Mexico, and 

 western Texas with scattered records as far north as southwestern 

 South Dakota and west to eastern Cahfornia. Specimens are as 

 foUows: 



Arizona: cf, 32 mi. SE. Ajo, Pima County, Sept. 2, 1959 (G. I. Stage); cf, 

 11 mi. E. Moenkopi, Coconino County, 5,200 ft., July 27, 1937 (Rehn, Pate, 

 Rehn); cT, Quijotoa, Pima County, Aug. 27, 1927; 2 0?" cf, Toreva, Navajo County, 

 Aug. 30, 1911 (S. O. Barrett); cf, Tucson, Oct. 27, 1937, at Cuscuta umbellata 



' See note under E. rubripes Cresson, p, 55. 

 274-514—68 2 



