AMERICAN COLEOPTERA. 325 



1$. bivulneratus, n. sp.— Black, feebly shining, elytra black, with large 

 red spot at middle of each, attaining the margin but not the suture. Body 

 short, robust. Head elongate oval, black, feebly shining, densely punctured. 

 Antennae as Ions as head and thorax black, three basal joints piceo-rufous. 

 Thorax black, shining, one-half broader at base than long, sides feebly arcuate 

 and gradually narrowing at apex, apex truncate, base at middle lobed, lobe 

 sub-truncate at tip on each side feebly sinuate, surface densely punctured 

 punctures moderately coarse, equal and evenly disposed. Scutellum broader 

 than long, black, clothed with whitish pubescence. Elytra as broad as long, 

 suture depressed, at base not wider than thorax, sides strongly arcuate, surface 

 deeply striate, intervals fiat, densely punctulato-rugose. Pygidium broadly 

 oval, sub-opaque, densely punctulato-rugose. Body beneath black, coarsely 

 punctured, abdomen densely punctulate. Legs black, anterior and middle 

 tibiae occasionally piceo-rufous. Length .12 inch ; 3 mm. 



The entire surface of this species is very sparsely clothed with a 

 short scarcely evident pubescence, dark brown on the black portious 

 of the body and rufous on the elytral spot. The elytral red spot is 

 large occupying nearly one-half the surface of each elytron, nearer the 

 apex than the base, attaining the lateral margin, but separated from 

 ths suture by one or sometimes two intervals. By its form, coloration 

 and depressed suture it resembles discoideus of the preceding group, 

 the hind femur is distinctly unidentate. 



Occurs in the Southern and Western States. 



B. oruent Situs, n. sp. — Broadly oval, black, moderately shining, elytra 

 with red spot of variable size near apex, surface sparsely clothed with cinere- 

 ous pubesceuce. Head black, moderately shining, elongate oval, punctured. 

 Antennas slightly longer than head and thorax, black, four basal joints rufous, 

 sub-serrate. Thorax one-third broader at base than long, moderately convex, 

 apex truncate, base lobed at middle, lobe truncate, on each side feebly sinuate, 

 sides broadly rounded at anterior third, straight and strongly divergent behind ; 

 color black, moderately shining, densely and finely punctulate with coarse 

 punctures at base and sides, sparsely cinereo-pubescent, median line at base in- 

 dicated by very shallow, scarcely evident fovea. Scutellum transversely sub- 

 quadrate, impressed, emarginate at tip and clothed with cinereous hairs. 

 Elytra broader at base than thorax, humeri moderately prominent, sides 

 broadly rounded, apices rotundato-truncate; surface striate, striae distantly 

 punctured, intervals flat, densely punctulate, sparsely clothed with very short 

 scarcely evident cinereous pubescence; color black, moderately shining, with 

 red spot of variable size near the apex, sometimes small rounded, unusually 

 large pyriform involving the greater portion of each elytron. Pygidium black, 

 moderately convex, densely punctulate, sparsely pubescent. Beneath black, 

 densely punctulate, sparsely cinereo-pubescent. Anterior and middle legs ru- 

 fous, hind legs black. Length .12 inch; 3 mm. 



This species is of variable appearance from the size of the rufous 

 spot of the elytra, the position of which is, however, subapical usually 

 of moderate size rarely punctiform and occasionaly very large. In the 



TRANS. AJ1EF. ENT. SOC. (42) JANUARY, 1873. 



