THE CANADIAN ENTOMOLOGIST. 317 



Table to the Species. 



Abdomen rufous; head and thorax black 1. 



Abdomen and thorax black 4. 



1. First tergite smooth, the embossed area only indicated 



basally erythrogastra Rohwer. 



First tergite more or less striate and with a rather well-defined 

 embossed area 2. 



2. Embossed area of the first tergite not well defined ; the striae on 



the first tergite not extending beyond the 



middle caryce Rohwer. 



Embossed area of the first tergite defined by strong carina?, 

 which extend beyond the middle of the tergite 3. 



3. Notauli not foveolate . sanguiniventris Ashmead. 



Notauli strongly foveolate saperdce Ashmead. 



4. First tergite entirely without sculpture 5. 



First tergite usually strongly sculptured and always with some 



sculpture at the base 6. 



5. Legs uniformly pale testaceous; median depression of the 



anterior portion of the prescutum well defined, but without 



defining lateral carinas leptostyli Rohwer. 



Legs black or piceous; the median depression on the prescutum 

 broader and shallow and with well-defined lateral 

 carina? nigrisoma Rohwer: 



6. Prescutum sculptured like the scutum; first tergite with strong 



carina? basally, without other sculpture, .tenuicornis Rohwer. 



Prescutum more closely sculptured than the scutum; first 



tergite not so 7. 



7. First tergite with strong carina?, which reach the apex of the 



segment, but with no predominating median 



ruga? ashmeadii (D. T.) 



First tergite with the stria? laterally which never reach the 

 apex of the segment and with a predominating median stria 

 or shining median area separating off a subembossed 

 area ' provancheri Rohwer. 



Capitonius erythrogastra, new species. 



Female. — Length 5 mm. Head broad as the thorax; posterior 

 orbits broad; median nortion below the antenna? with distinct 



