172 New Coleopterous Insects of North America 



thorax. Length one inch. Inhabits Georgia — rare. Plate 

 XL fig. 10. 



The white marks on this appear to be minute scales, which 

 may be rubbed oft", and hence their irregularity. 



Obrium dentatum. Punctate, pale brown : thorax with short 

 streaks of darker : elytra entire, with four or five dentate 

 waving bars of darker : two pair of hinder thighs thickened 

 spinous. Length three lines. Inhabits Georgia. Plate XI. 

 fig. 11. 



This genus has been formed from some of the species of 

 Saperda and Callidium of Fabricius. 



Molorchus affinis. Black : elytra pale brown, with the tips 

 and a spot at the base of each, black: legs dark brown. 

 Length three lines and a half. Inhabits Georgia. Plate XL 

 fig. 12. 



The Molorchus has been separated from the Linnean 

 genus Necydalis from which it appears to differ chiefly in 

 habit ; it has the elytra shorter than the abdomen, and cut 

 off square, whereas the Necydalis has them subulate at the 

 tip. 



Anlhribus moestus. Dusky : elytra spotted in lines with 

 black: forepart of the thorax with a small white spot: scu- 

 tell with another of the same colour : legs dusky, barred 

 with gray : antennae long. Length three lines and a half. 

 Inhabits Georgia. Plate XI. fig. 13. 



Lycoperdinaferruginea. Smooth, polished, reddish brown: 

 eyes and tips of the antenna? dusky. Length two lines. 

 Inhabits Georgia in fungi. Plate XI. fig. 14. 

 The Lycoperdina has been separated from the genus Silpha 

 of Linne ; it has the antenna? moniliform, increasing 

 gradually in thickness towards the tip : mandible with a 

 very acute undivided tip : maxillary palpi filiform, labial 

 subclavate ; thorax a little dilated on the forepart, and a 

 little narrowed behind : thighs abruptly pedunculate- 

 clavate. 



