BEETLE GENUS ONTHOPHAGUS — HOWDEN, CARTWRIGHT 67 



Pronotum almost exactly the same as described for the male minor, 

 the arcuate protuberance being slightly more pronounced, but other- 

 wise similar. Elytra as described for male major. Pygidium similar 

 to holotype but with the apex slightly less convex than in male. Ven- 

 tral surfaces similar to male minor with following exceptions : Forelegs 

 shortened and stubby; apex of forefemur not extending to lateral 

 pronotal margin; foretibia proportionately shortened and thickened, 

 apical spine slender, as long as 2}^ tarsal segments and gradually 

 recurved. Last abdominal segment not emarginate at middle. 



Type. — Canadian National Collection 7527. 



Type locality. — Bentsen-Rio Grande State Pk., near Mission, Tex. 



Specimens examined. — 281. 



Distribution. — (See fig. 8, p. 64.) Holotype, cT, and allotype, 9, 

 Bentsen-Rio Grande State Pk., near Mission, Tex., June 4, 1954, in 

 dung, H. F. Howden. And the following paratypes: 



TEXAS: 12 cf cf, 14 9 9, same data as type (cnc, amnh, Howden); 5 cf c^' 



6 9 9, reared from pair from type locality (Howden) ; 8 cf c?, 7 9 9 , type locality 

 Sept. 28, 1951, 0. L. Cartwright and A. B. Gurney (usnm); 1 cf , 2 9 9 , Browns" 

 ville, May 10 (cnc, osu); 1 9, Brownsville, Apr. 12-May 20 (cnc); 2 d^cfj 

 Brownsville, Nov. 21, 1911, palm jungle, human dung (cnc); 1 9, Brownsville, 

 Feb. 7, 1948, L. J. Bottimer (ljb) ; 4 d'cT, 6 9 9, Brownsville, Esperanza ranch, 

 May 1-29 (usnm, amnh); 2 9 9, Brownsville, June 1901 (Schaeflfer coll., usnm) ; 

 1 9 , Brownsville, July 30, 1906, A. B. Wolcott (cnhm) ; 1 cT, Cameron Co. (usnm) ; 



7 c? cf , 3 9 9 , Camp Stanley, Bexar Co., Apr. 2, 1953, in horse dung, L. J. Bot- 

 timer (usnm); 1 cT, 1 9 , Devils River, May 5, 1907, F. C. Bishopp (usnm); 8 9 9, 

 25 9 9 , Garner State Pk., Sept. 22, 1951, in cow dung, O. L. Cartwright and 

 L. J. Bottimer (usnm, ljb); 70 c? cT, 57 9 9 , Kerrville, June 25, 1956, cow dung, 

 L. J. Bottimer (usnm, ljb); 9 cT cf , 15 9 9, Kerrville, July 22, 1956, in deer 

 dung, H. and A. Howden (Howden); 5 c? cf, 7 9 9, Kerrville, Apr. 4, 1959, 

 Becker and Howden (cnc); 1 cf, Kerrville, May 5, 1955, in flight, L. J. Bottimer 

 (ljb); 1 cf, Kerrville, Apr. 10, 1951, deer droppings, L. J. Bottimer (ljb); 1 9, 

 Kerrville, Sept. 20, 1951, horse dung, L. J. Bottimer (ljb) ; 1 9 , Kerrville, July 30, 

 1948, dead on carass, L. J. Bottimer (ljb) ; 1 c?, Kerrville, May 23, 1947, L. J. Bot- 

 timer (ljb); 1 cf, Macdona, July 28, H. A. Wenzel (osu); 2 cf cT, 4 9 9 , Mission, 

 Oct. 1, 1951, O. L. Cartwright (usnm); 1 9, San Antonio, Sept. 24, 1951, 0. L. 

 Cartwright and A. B. Gurney (usnm); 2 cf cf , 1 9 , southwest Hidalgo Co., Jan. 

 26, 1947, at raccoon(?) dung, G. B. Vogt (Vogt); 1 cf , 1 9 , Uvalde, June 30, 1936, 

 J. N. Knull, (osu, usnm); 11 cf cT, 7 9 9, Uvalde, Dec. 1920, J. C. Bridwell 

 (usnm); 3 cTcf, 2 9 9, Uvalde, May 29, July 18, 22, 29, August, 1932, A. W. 

 Lindquist (usnm, cnc) ; 1 cf , Uvalde Co., May 20, 1938, J. H. Robinson (Howden). 



Mexico: san luis potos! : 1 9 , Valles, Aug. 29, 1936, E. D. Ball (ua). nuevo 

 le6n: 7 cf cf, 12 9 9, Chipinque Mesa (5400 ft.) near Monterrey, Aug. 26-29, 

 1960, H. F. Howden (cnc); 1 cf, 7 9 9,2 mi. west of Linares, Nov. 8, 1946, 

 E. S. Ross (cAs); 2 cf cT, 3 9 9, Monterrey, July 24, 1960, cow dung, H. F. 

 Howden (cnc). tamaulipas: 14 cf cT, 5 9 9 , crest of first ridge west of Antiquo 

 Morelos, Nov. 18, 1948, H. B. Leech (cas, Howden); 1 9 , 47 km. south of Ciudad 

 Victoria, July 5, 1948, W. Nutting (usnm) ; 1 9 , 20 mi. north of El Limdn, Nov. 

 10, 1946, Ross (Howden). 



