NORTH OF MEXK 0. 391 



A. cliviuoidos, brownish ti sub-opaque. Thorax more densely punctured and more densely pilose, 



broader than long, sub-globose, slightly depressed, sides in idorately rounded from apei to base; base rounded. Elytra 

 elongate oval, sub-depressed, Bides feebly rounded, apes obtuse, surface moderate!] coarsely punctured and sparscl) 

 clothed with short yellowish i-ecumbenl hairs. Beneath testaceous, rathei densely and coarsely punctured and sparsel) 

 pilose. 



Length . I t inch. 



Owen-' Valle] . ( lalifornia, rare. 



Differs from both the preceding sp ;cies, bj its color, mure depress d form, and b] th 

 shape nt the thorax. In this species the sides are graduallj rounded from the apex to 

 base, and the bas i is not prolonged as in the other sp icies, and is comparatively broader. 

 The elytra arc lcs> convex, more elongate, sides Less rounded, and apes less acute. 



I Kim \\\ — HELOPINI. 



Labrum prominent, clypeal membrane always visible; last joint of palpi securiform; 

 head usually more or less prolonged behind the eyes; antenna' with the outer joints flat- 

 tened sub-triangular; last joint usually longer than the preceding; elytra feebly embracing 

 the body; epipleurae entire ; legs usually long; anterior coxae globular; tibial spurs fre- 

 quently very small ; tarsi densely pubescent beneath, the anterior and often the middle 

 dilated in the males; intercoxal process broad or oval, never acute at tip; body either 

 apterous or winged. 



BELOPS, / 



Helops, Fab., Km. Syst., p. 857. 



One genus represents this tribe in our fauna. Oar species arc numerous and ma) bi 

 divided in the following manner: 



r i -Alate Species. 

 Thorax sub-quadrate, sides feebly rounded; apex except in impolilut eraargiuate; angles all prominent. 

 Thorax emarginate at apex; elytra sub-metallic; shining. 



Sides of thorax not updulated; elytra finolj striate, interstices Bnel) and sparsely 



punctured. mi cans. 



Sides of thorax undulated; elytra] strite deeper. . undulatus. 



Sides of thorax not undulated; elytra! Btrite deep; interstices convex, almost en- 



tirel) impum I tired, v enustus. 



Thorax truncate in front; angles rectangular; surface sub-opaque; elytra with i"«~ of 



elongate puncl impolitus. 



Thorax usually broader than long; Bides moderately rounded; apex truncal • rounded, 



with obtuse angles. 

 Antenna; with the outer j"int^ compressed and sub-triangular. Black, sub-opaque, 

 California species. 

 Thorax narrowed at bas ■. opa cus. 



|n< nc i ipe mi is. 

 Thorax wider at base, i u gulosus. 



Antennae slender, outer joints not ■ ipressed. 



