334 ^^^^'' 



the preceding species; prothorax four-fifths wider than long, very 

 nuc^anar owed at apex, with the sides subev^nly and rather 

 strongly arcuate, widest somewhat behind the middle and broadly 

 mpressed bef or^ the basal margin almost throughout the width, the 

 pun tures fine and sparse, becoming abruptly coarser, dense and 

 Forming long subparallel ruga3 laterally; scutellum rather well 

 developed, rounded, transverse, constricted at base; elytia one- 

 half longer than wide, between three and four times as long as 

 the prothorax, and, toward base, but little wider though distinct y 

 wider and subinflaled near apical third, the apex thence obtusely 

 Tgival; punctures only moderately coarse or ^ose-set, perforate 

 L^Iven unimpressed series, the interstitial punctures feeble and 

 minilte, forming irregular single series ; abdomen finely f^bly 

 nigulose and minutely sparsely V^r^-^^ ^^ji^^^^, 

 width 2.72 mm. lexas 



6 -Form very narrow, elongate and but moderately convex, the pro- 

 thorax subparallel, with the apex only just visibly narrower han the 

 base! polished, dak testaceous, the elytra finely vittate along the 

 punctured series with piceous-black ; under surface and legs stil 

 paer rufous; head alutaceous, moderately coarsely and not 

 densely punctato-strigose, the sides converging and strongly arcu- 

 ate the angles veiy broadly rounded, the feeble emargmations 

 obvious; pfothoi J short, four-fifths wider than long, the sides 

 broadly 'and rather feebly a--^^' ^he punctures not^^^^^^^^^^^^^^ 

 deep rather sparse, becoming somewhat gradually lather coarse, 

 den?; and longitud nally plicate toward the sides, the surface im- 

 pressed before^the basal lo^ scutellum small transverse; elytra 

 aW two-thirds longer than wide, between three and four times 

 as'ong as the prothorax and a little wider posteriorly, where tjiey 

 Tre shlhtly wider than at base, obtusely ogival at apex, the sides 

 Jeeby arcuate, the humeri not exposed, the punctm-es not veiy 

 coars'e but de'ep, close-set, forming nearly -en and barely im- 

 pressed series, the interstitial punctures fi"^' ^ ^^^^^'/^J"^ "/.^J^ 

 uneven single series laterally. Length 5.6-5.8 mm ; width 2.25- 

 ^3 mm. Utah (southwestern) and Nevada (1^^^^^ ^ ^^^ 



Form somewhat as in del/catuh^s but larger and broader, similarly 

 depressed shining, dark castaneous, the under sur ace and legs 

 pakr uiu ; head three-fifths to two-thirds as wide as the pro- 

 toax moderately coarsely but not very deeply, closely punctate ; 

 eVes large, the sides before them converging and arcuate, the 

 emarginations subobsolete, the frontal margin very feebly sinua o- 

 t uncate; prothorax two-thirds wider than long, gradually and 

 c^ hfctK' larrowed from base to apex, the sides subevenly and 

 n od ratdy arcuate, the apical angles obtuse and bluntly rounded 

 the basal ri-ht and blunt, the punctures fine and sparse medially, 

 • becm^ing rapidly somewhat coarse, dense and -alescent orn^^^^^ 

 long fine rug\e in lateral fourth ; scutellum moderate, transverse , 



