Psyche 
[June 
162 
1956, pine (H. & A. Howden) [HH] ; 8, Huachuca Mts., July 
(J. Knull) [OSU]. Coconino Co.: 3, Flagstaff, Hopk. U.S. 
50O7g,j, Pinus ponderosa (Webb) [USNM] ; 1, same, July 7 
(Barber & Schwarz) [USNM]; 1, Williams, May 27 (Barber & 
Schwarz) [USNM]; 1, same, (Hubbard & Schwarz) [USNM] ; 
3, same, (Wickham) [CAS, USNM]. Graham Co.: 16, Graham 
Mts., May 18, 1969, under bark of conifer (K. Stephan) [MCZ, 
KS]. Pima Co.: 1, Santa Catalina Mts., Sept. 26, 1907, Hopk. 
U.S. 56o3g, Pinus ponderosa (J. L. Webb) [USNM]; 1, same, 
July 1, 1936 (E. S. Ross) [CAS] ; 2, same, June 1, 1938 (Van 
Dyke) [CAS] ; 8, same, 7000', May 12, 1968, under bark of conifer 
(K. Stephan) [KS] ; 2, same, Apr. 5, 1969 (K. Stephan) [KS] ; 
23, same, 8000', May 12, May 23, Sept. 7, Oct. 20, Nov. 10, 1968, 
June 29, 1971 (K. Stephan) [KS] ; 3, same, 8500', Oct. 4, 1971 
(K. Stephan) [KS] ; 9, same, Bear Canyon, Dec. 14, 1968, Jan. 25, 
Mar. 29, 1970 (K. Stephan) [KS] ; 1, same, Bear Canyon, Mt. 
Lemmon Hwy., 6000', June 16, 1970 (D. S. Chandler) [DC]; 
5, same, Mt. Lemmon, near Observatory, Mar. 1965, (M. L. 
Lindsey) [UAZ] ; 11, same, Rose Canyon, Apr. 1965 (M. L. Lind- 
sey) [UAZ]. Santa Cruz Co.: 1, Santa Rita Mts., 6000', Dec. 8, 
1968 (K. Stephan) [KS] ; 2, same, 7000', Apr. 20, 1969, under bark 
of conifer (K. Stephan) [KS]. 
Distribution. Mountains of Arizona, usually above 5000 ft. 
Biology. Collected in the same situations as C. conditum , under 
the bark of old conifer logs, usually in moist, fungus-infested areas 
of the cambium. 
Cerylon unicolor (Ziegler) 
(Fig. 30) 
Latridius unicolor Ziegler, 1845: 270. Type locality: Carolina. Holotype, 
$, No. 6825 M.C.Z. 
Cerylon angustulum LeConte, 1863: 69. Type locality: Georgia Lecto- 
type, No. 6824 M.C.Z. (designated by J. F. Lawrence, April, 1975). 
New Synonymy. 
Cerylon simplex LeConte, 1857: 39. Type locality: San Jose, California. 
Lectotype, $, No. 6826 M.C.Z. (designated by J. F. Lawrence, April, 
1975). New Synonymy. 
Cerylon sylvaticum Casey, 1897: 635. Type locality: Coeur d’Elene, Idaho. 
Holotype, No. 48821 U.S.N.M. New Synonymy. 
This is the most commonly collected Cerylon in eastern North 
America and on the Pacific Coast. It may be distinguished from 
C. castaneum, with which it is sympatric throughout much of its 
range, by the shape of the pronotum, the slightly emarginate clypeus 
