AMERICAN COMPONENTS OF THE TENTYRIIN^ 3O7 



sparse and small but less minute than in cylhidricufn,, moderately 

 coarse, dense, coalescent and forming long rugag in lateral fifth; 

 scutellum very well developed, strongly transverse; elytra 

 evidently less than one-half longer than wide, as wide as the pro- 

 thorax and about two and one-half times as long, very obtusely 

 and ogivally rounded at tip, the sides feebly arcuate, the punc- 

 tures sutui'ally very fine and sparse, becoming coarse and close- 

 set in the series laterally, where the punctures of the interstitial 

 series are equal in size but much more widely spaced ; abdomen 

 minutely, sparsely punctured medially. Length 6.4-6.8 mm.; 

 width 2.75-2.9 mm. Nevada (Las Vegas) nevadense n. sp. 



Form stout, especially in the female, moderately convex, oblong-sub- 

 oval, shining, the elyti'a feebly alutaceous, castaneous, the under 

 surface and legs rufous ; head finely, sparsely punctate, more 

 closely on the front, the occiput feebly, longitudinally rugulose, 

 the sides before the eyes strongly converging and broadly arcuate; 

 prothorax about as wide as the elytra, transverse, four-fifths wider 

 than long or even more, widest and prominently rounded at the 

 sides just behind the middle, thence strongly narrowed and some- 

 times with subsinuate sides to the deeply sinuate apex, the basal 

 angles minutely subprominent ; punctures toward the sides coarse 

 and close but only imperfectly confluent; scutellum large and 

 well developed, strongly transverse, impunctate except finely at 

 base; elytra only two-fifths longer than wide but almost three 

 times as long as the prothorax, the serial punctures only moder- 

 ately coarse, subelongate and close-set toward the sides, those of 

 the interstitial series more widely spaced ; abdomen very sparsely 

 punctulate medially. Length 6.4-7.5 'ii'^- > width 2.6-3.25 mm. 

 California (Kern Co.) gulosum n. sp. 



34 — Body stout, elongate-oval, rather convex, somewhat strongly 



shining, castaneous to dark testaceous, the legs dark rufous ; head 

 closely and rather coarsely punctured, the sides before the eyes 

 only moderately converging and broadly arcuate; prothorax 

 distinctly narrower than the median parts of the elytra, three- 

 fourths wider than long, obviously narrowed at apex and deeply 

 sinuate, widest just behind the middle, the sides evenly and 

 moderately arcuate, the punctures more broadly dense toward the 

 sides than in the three preceding species, moderately coarse and 

 longitudinally confluent, forming long rugae; scutellum large, 

 very strongly transverse, finely punctate throughout; elytra two- 

 fifths longer than wide, ogival at tip, the sides broadly, feebly 

 arcuate, the series on the flanks rather irregular and composed of 

 unusually small close-set punctures. Length 6.8-7.0 mm. ; 

 width 2.8-3.0 mm. Utah (southwestern) subovale n. sp. 



35 — Scutellum large, strongly transverse, in great part finely 



punctate. Form stout, oblong-oval, convex, moderately shining, 

 black, the legs very dark rufous; head broad, with slightly 

 separated and moderately coarse deejD punctures, longitudinally 



