76 Coleopterological Notices. 



is by far the most remarkable species of this section of the genus. 

 There are but two specimens Icnown, and the male above described 

 I owe to the kindness of Mr. C. H. Roberts, of New York. 



A. flavipeiinis n. sp. — Somewhat robust, but moderately depressed ; 

 head black ; prouotum dark rufo-piceous ; elytra pale flavate ; abdomen pice- 

 ons throughout ; legs pale flavate ; auteniit'e piceous-black, the basal joint very 

 dark rufo-testaceous ; integuments polished, very finely and extremely sparsely 

 pubescent. Head as wide as the prothorax ; eyes rather small, somewhat con- 

 vex, the temiiora about three-fourths longer, less strongly arcuate but rather 

 more prominent ; transverse basal impression distinct ; surface feebl3^ convex, 

 finely but distinctly and rather densely punctate, a wide median area impunc- 

 tate ; antennal prominences strong but small and very short ; antennne rather 

 slender, very feebly incrassate, as long as the head and prothorax, basal joint 

 about equal in length to the next three together, second scarcely visibly longer 

 than the third, tenth very slightly longer than wide. Prothorax fully three- 

 fourths wider than long ; sides near the apex broadly subangulate, the angle 

 narrowly rounded, thence feebly convergent and nearly straight to tlie apex, 

 slightly more strongly so and very feebly arcuate to the basal angles wliich 

 are rounded ; base aubtruneate toward the middle ; apex broadly and distinctly 

 arcuate, very feebly sinuate near each angle, the latter very slightly obtuse, 

 very narrowly rounded, not ijrominent ; disk strongly impressed in the middle 

 at each side of the impunctate median line, the impression reflexed posteriorly 

 and extending thence anteriorly nearer the sides, becoming broader and feebler 

 and not attaining the apex ; intermediate callus smooth, impunctate ; impressed 

 areas finely, rather densely punctate. Eli/tra slightly wider than long, one- 

 third wider and nearly three-fourths longer than the prothorax ; sides nearly 

 parallel and straight ; surface with a strong elongate impression at eacli side 

 of the suture at base, rather finely deeply and densely punctate. Alidomeii 

 rather distinctly narrower than the elytra ; sides parallel and very distinctly 

 arcuate ; surface very minutely and extremely sparsely punctate ; under surface 

 more densely so and with rather long cinereous and conspicuous pubescence. 



Male. — Sixth ventral segment with a very small narrow elongate-oval area, 

 not attaining the apex, which is more densely and finely pubescent ; seventh 

 very broadly, feebly emarginate throughout its apical width, the middle of the 

 emargination transverse ; eighth flattened but not impressed. 



Female. — Seventh segment very broadly arcuate, the median portion with a 

 fringe of very fine porrected membranous hairs ; eighth broadly impressed. 



Length 3.4 mm. 



California (Mendocino, Santa Clara and Monterey Cos.). 



The specimens before me consist of a single representative from 

 each of the above localities — one male and two females. The 

 species diffcTS from annectens, not only in the characters given in 

 the table, but in its shorter and rather more coarsely punctate elytra, 

 and in the sexual characters of the female. 



