AMERICAN COLEOPTERA. 275 



The very slender terminal joint of maxillary palpus occurs else- 

 where only in scymnoides and tenuipalpa, the former at once separa- 

 ted by its regularly inclined pubescence, the latter by the larger less 

 deeply incised eyes of the male. 



9. <J. bicolor Germ. — Form nearly as in oculata, size smaller, pubescence 

 less distinctly yellowish. Color black, the head and pro thorax dark rufous. 

 Palpi as in blanchardi Seventh joint of antennae ( % ) (fig. 8) nearly as strongly 

 produced as in ocuhita, the terminal joint scimitar shaped. In the female the 

 seventh joint is subequilateral triangular, the terminal joint scarcely arcuate, 

 but with the npex a little more pointed than in oculata. Eyes larger in the male, 

 cleft only to the middle, the width of the front distinctly less than the longest 

 diameter of the eye. In the female the eyes are. smaller, widely separated and 

 nearly divided, as in oculata. Front vaguely costate. Length 1.5-2 mm. 



A somewhat widely dispersed species, as is evident from the fol- 

 lowing localities. 



Massachusetts (Tyngsboro) ; New Jersey (Orange) ; Virginia 

 (Ft. Monroe); Kentucky (Frankfort); Michigan (Detroit); Kan- 

 sas; Nebraska; Texas (Columbus). 



This species is readily distinguished from all others in our fauna 

 by the falcate terminal joint of the antennas in the male. The 

 color is practically constant in all specimens seen. 



10. C tenuipalpu n. sp. — Similar in form, punctuation and pubescence to 

 oculata, but somewhat smaller in size. Terminal joint of maxillary palpi (fig. 10) 

 narrow, about two and one-half times as long as wide. Seventh antennal joint 

 in the male (fig. 9) nearly as strongly produced as in oculata; the terminal joint 

 scarcely three times as long as wide, not at all sinuate or arcuate, the apex 

 bluntly rounded, the form nearly identical in the sexes. Eyes of male large, 

 cleft only to the middle, the front narrower than their longest diameter. Eyes 

 in the female smaller, widely separated and nearly divided. Front subcostate. 

 Length 1.3-1.8 mm. 



This is also a widely dispersed species, occurring from the New 

 England States to Texas, and practically identical in distribution 

 with bicolor. The following localities are represented : Massachusetts 

 (Tyngsboro); District of Columbia; North Carolina (Highlands. 

 Blanchard) ; Michigan (Detroit); Tennessee (Bowditch collection); 

 Illinois (Monroe Co , Soltau) ; Texas (Belfrage collection). 



The sexual disparity in the eyes, the slender palpi and the unmodi- 

 fied terminal joint of the male antennas, form a combination of 

 characters peculiar to this species. 



TRANS. AM. ENT. SOC. XXXI. JULY. 1905. 



