146 Journal New York Entomological Society. [Voi.vii: 



34 — Prosternal carinse widely separated at base, straight and strongly convergent to 

 apical third, thence parallel and well separated to the apical margin ; body 

 broadly oval, shining, black, the projiotum gradually pale testaceous toward the 

 apical angles, short, the sides almost perfectly continuous, strongly convergent, 

 evenly and moderately arcuate ; punctures minute and inconspicuous, slightly 

 closer toward the sides ; elytra scarcely as long as wide, the apical margin very 

 finely testaceous; punctures fine but strong, not very close-set. Length 1.75- 

 1.9 mm.; width I 3-1.4 mm. Arizona (Yuma) apacheanus, sp. nov. 



Prosternal carinas straight and feebly convergent throughout, becoming almost obliter- 

 ated in basal half; body narrowly oval, the pronotum gradually testaceous toward 

 the apical angles, less transverse and relatively larger than in apacheanus, the 

 sides of the body being less arcuate ; sides almost continuous, rather strongly 

 convergent and evenly, somewhat feebly arcuate ; punctures minute and incon- 

 spicuous ; elytra nearly a fourth longer than wide, pale at the apical margin, 

 quite coarsely and conspicuously, but not very closely punctured, the pubescence 

 coarse. Length 1. 9 mm. ; width 1.25 mm. Colorado. .. . monticola, sp. nov. 



Prosternal carina very strong, gradually convergent and feebly arcuate throughout, 

 moderately separated at the apical margin ; body broadly oval, the pronotum 

 gradually testaceous toward the apical angles, only moderately transverse, the 

 sides evidently discontinuous, moderately convergent, evenly, moderately arcuate, 

 the punctures equal in size throughout, rather fine and sparse, but little closer toward 

 the sides ; elytra slightly longer than wide, evenly rounded in semicircle behind ; 

 punctures not very coarse but strong and somewhat close-set ; pubescence coarse, 

 pale, somewhat abundant and conspicuous ; legs pale rufo-testaceous, the middle 

 femora at base and the posterior to far beyond the middle black Length 2.2 

 mm. ; width 1. 55 mm. Utah (southwestern) — Mr. Weidt.. . aridus, sp. nov. 



35 — Pronotum almost entirely black, becoming testaceous only at <the extreme apical 

 angles, the surface almost completely impunctate, the base broadly angulate, the 

 sides almost continuous, strongly convergent and feebly, evenly arcuate ; elytra 

 scarcely as long as wide, the sides feebly arcuate, the apex very broadly obtuse, 

 with the reflexed bead pale, the punctures sparse, very fine toward the suture, 

 fine but much stronger and more close-set externally. Length 1. 8-1. 95 mm.; 

 width 1. 3-1. 45 mm. California (Monterey and Sonoma Cos.). 



IllCtUOSUS, sp. nov. 



Pronotum black, not very abruptly and obliquely pale at the sides, broadly in front, 

 very narrowly at the basal angles, the base almost transverse, lobed in the middle, 

 the sides strongly discontinuous, moderately convergent, evenly and distinctly 

 arcuate, the punctures fine but distinct, sparse, becoming close-set at the sides ; 

 elytra scarcely as long as wide, evenly oval, with the apical bead alone pale, the 

 punctures somewhat coarse, deep, even and sparse throughout. Length 1. 9-2.2 

 mm.; width 1. 4-1. 7 mm. California (Siskiyou, Humboldt and Sta. Cruz Cos.). 



humboldti, sp. nov. 



Pronotum black, abruptly and moderately broadly pale at the sides in a parallel area 

 almost equally wide at apex and base, the basal margin feebly bioblique, lobed 

 at the middle, the sides continuous but with a slight reentering angle, strongly 

 convergent, evenly and distinctly arcuate ; punctures minute, sparse and incon- 

 spicuous ; elytra short, very obtusely rounded, somewhat alutaceous, the punc- 



