110 MISC. PUBLICATION 6 9 8, U. S. DEPT. OF AGRICULTURE 



is impunctate, densely, finely punctate or granulose at middle along 

 anterior margin, densely, irregularly dentate on apical half, the teeth 

 broad, semierect, variable in size, and rasplike. 



Elytra at base subequal in width to pronotum at middle ; sides paral- 

 lel, conjointly broadly rounded at apices; surface sparsely clothed 

 with short, recumbent, inconspicuous hairs, coarsely, densely punctate, 

 except on apical declivity, where the surface is longitudinally concave 

 and very sparsely, finely punctate ; apical declivity with sutural striae 

 smooth and not depressed on anterior part, the sutural margins nar- 

 rowly elevated, not expanded laterally, armed at top of declivity with 

 two small teeth, which are obtuse at apices and contiguous at bases, 

 the lateral margins thickened and strongly elevated; each elytron with 

 two or three smooth, obtusely rounded costae at base. 



Abdomen beneath sparsely, finely punctate, sparsely clothed with 

 short, recumbent, yellowish-white hairs; last visible sternite rounded 

 at apex, with the lateral grooves distinct. 



Female. — Differs from the male in having the last visible abdominal 

 sternite slightly, angularly emarginate at the apex, and the lateral 

 grooves obsolete. 



Length 3-6 mm., width 1-2 mm. 



Type locality. — Arizona, no definite locality; types in the Paris 

 Museum and the Pic Collection. 



Distribution. — From material examined : 



Arizona: Chiricahua Mountains, June 16, and Santa Rita Mountains, May 26 

 (Hubbard and Schwarz). Palmerlee, Cochise County, July (C. Schaeffer). 

 Santa Catalina Mountains (J. L. Webb and M. Chrisman). Redington, April 7, 

 1913 (M. Chrisman). Prescott National Forest, June 16, 1930 (M. W. Black- 

 man). 



Texas : Uvalde (W. F. Fiske). Cypress Mill, March 15 (F. H. Chittenden). 



Hosts. — This species has been reared from Emory oak {Quercus 

 emoryi Torrey) , Arizona white oak {Quercus arizonica Sargent) , can- 

 yon live oak {Quercus chrysolepis Liebmann), walnut {Juglans sp.), 

 elm ( Ulmus sp.) , and hackberry ( Celtis sp.) . 



Lesne described this species from two specimens (male and female) 

 from Arizona without giving any definite locality.* 



Scobicia declivis (LeConte) 



Sinoxylon declive LeConte, 1857, Explorations and Survey, Pacific R. R. Rpt. 12 

 (2) : 19, 48; Horn, 1878, Amer. Phil. Soc. Proc. 17: 542, 544; Comstock, 1881, 

 U. S. Dept. Agr., Ent. Rpt. for 1880, p. 275 ; Rivers, 1886, Calif. Acad. Sci. Bui. 2 : 

 63-72 ; Coquillett, 1892, Insect Life 4 : 260-261 ; Wickham, 1895, Iowa Univ. Lab. 

 Nat. Hist. Bui. 3 : 33-34, pi. 1, fig. 2 (larva) ; Fall, 1901, Calif. Acad. Sci. Occas. 

 Papers 8 : 282 ; Baker, 1915, Engin. News 74 : 1006 ; Schuler, 1916, Telephony 

 70 : 17-19, 24-25, figs. 



Xylopertha declivis Casey, 1898, N. Y. Ent. Soc. Jour. 6: 67; Essig, 1915, In- 

 jurious and Beneficial Insects of California, ed. 2, p. 239. 



Scobicia declivis Lesne, 1901. Soc. Ent. de France Ann. (1900) 69: 587, 597-598, 

 figs. 439-440 ; anonymous, 1919, Field and Farm 34 : 10 ; Snyder, 1920, Wash. 

 Acad. Sci. Jour. 10 : 580 ; Child, 1920, Sci. Amer. 123 : 637, fig. 1 ; Boving, 1922, 

 U. S. Dept. Agr. Bui. 1107, app. 49-54, pis. 1-2 (larvae) ; Burke, Hartman, and 

 Snyder, 1922, U. S. Dept. Agr. Bui. 1107, pp. 1-48, figs. 3-15, pis, 3-10 ; Boving and 

 Craighead, 1931, Ent. Amer. (n. s.) 11 : pi. 101, figs. O-W, Y-Z (figures larva) ; 

 Lesne, 1938, in Junk (pub.), Coleopt. Cat., pt. 161, p. 58; Anderson, 1939, Wash. 

 Acad. Sci. Jour. 29 (9) : 391, figs. 37-38 (larvae). 



Male. — Brownish black, with the posterior angles of pronotum, hu- 

 meri, antennae, palpi, legs, and abdomen in part reddish or yellowish 

 brown. 



m 



ii 



