188 Journal New York Entomological Society. [^oi. xxvi. 



cuneiform, the posterior slightly larger, subelongate. Femora sub- 

 compressed, rather narrow, scarcely enlarged at middle. Tibise slen- 

 der at base, scarcely larger at apex, very finely ciliate, niutic, armed 

 with two very small and indistinct spurs. Tarsi ciliate beneath, last 

 joint clavate, subequal to the three preceding united. First four 

 joints rather short, subequal. Claws small, slender, arcuate. 



B. americanus new species. 



Subelongate, dilated posteriorly, pubescence moderately long, somewhat 

 coarse, rising from the punctures. Color dark piceo-ferruginous, abdomen 

 darker, legs, antennae, mouth, palpi and indefinite spots on head, thorax and 

 elytra paler. Head, thorax and sterna strongly coarsely and somewhat 

 sparsely punctured, interspaces smooth, shining, anterior margin of the cly- 

 peus, a median area near the posterior margin of the thorax and inner edge 

 of the gense beneath impunctured. Elytra more coarsely and sparsely punc- 

 tured, deeply longitudinally impressed on the disk. Abdomen finely, sparsely 



Fig. I. 



and indistinctly punctured above, finely, sparsely, indistinctly and subasper- 

 ately punctured beneath. 



Head suborbicular, subemarginate posteriorly, subequal in length to the 

 thorax and somewhat wider. 



Elytra about as wide as long, strongly narrowed anteriorly, at base about 

 as wide as the head. 



Abdomen one fourth longer and wider than the elytra. 



Head broadly transversely impressed in front of the eyes, with two small 

 and rather deep fossae equidistant from each other and the eyes, clypcus broad, 

 truncate at apex, labrum very broad and short with a row of short setae along 

 the anterior margin, mandibles long, slender, falcate. Mentum rather short, 

 broadly and shallowly emarginate and perceptibly bisinuate. Labial palpi 

 three jointed, terminal joint slender, first two joints subequal in length, 

 stouter and slightly longer than the terminal, both slightly broader at apex. 

 Maxillary palpi much longer, first joint small, second elongate, arcuate-sinuate 

 and incrassate at apex, third very strongly and evenly incrassate from base 

 to apex which is transversely truncate, last joint small, slender, subulate, 



