COLEOPTERA. 113 



Rhinotragus, Dalm*, 



Differs from the preceding one in the head, which is narrowed and 

 prolonged anteriorly in the manner of a snout; in the palpi, of which 

 the last joint is rather thicker than the preceding ones, and truncated 

 at the end ; in the antenna;, shorter tlian the body, slightly dilated, 

 and somewhat serrated at the extremity ; and in the almost orbicular 

 thorax. 



These Insects are evidently allied to those of the following genus ; 

 the 



Necydalis, Lin., 



The only one of this tribe in which the elytra are either very short, 

 ' and squamiform, or prolonged, as usual, to the extremity of the ab- 

 domen, but abruptly contracted a little beyond their origin, then 

 much narrowed, and terminating in a point, or subulate. This is the 

 only point in which these last mentioned Insects resemble the (Ede- 

 merae, with which Fabricius has arranged them. The last joint of 

 the palpi is a little longer, and almost obconical and compressed. 

 Their abdomen is long, narrow, contracted, and as if pediculated at 

 base. The wings are folded at their extremity. 



Those species in which the elytra are subulate will form a first 

 subgenus, 



Stenopterus, lUig., 



From which we might separate various species, foreign to Europe, 

 with shorter antennae, thickest, and almost serrated at the extremity f. 

 In those that inhabit France, such as the 



N. riifa, L.; or the Lepture a etuis etr angles, Geoff.; lb., 74' 

 i, 6, the antennae are filiform and as long as the body;]:. 



Those in which the elytra are short and squamiform will constitute 

 the subgenus 



Necydalis, proper. 



Which corresponds to the genus Molorchus of Fabricius. Its type 

 is the Necydalis major of Linnaeus and Geoffroy — Oliv. lb. I, 1. 

 Found in old Willows in June and July§. 



Certain Insects generally proper to the African islands, New Hol- 

 land, New Ireland and New Zealand, ambiguous in several respects, 

 and which, in a natural order, should perhaps be placed between the 



* Dalm., Insect. Spec. Nov., p. 513. We may also refer to it the Stenopteri 

 luridus, puticfufus, albicans, of the Entom. Bras,, of Kliig. 



f Seethe Entom. Bras., Kliig. 



♦ The Necydales atra and pt-eeus/a, Fab., and the A', femorata of Germar, are 

 analogous. 



§ See Fabricius, Olivier, Kliig, Kiiby, and Schoenherr. 



The Stenoconis hemipterus of Fabricius, which should apparently be placed here in 

 a natural order, approximates more closely to the Stenocori of Germar and Dejean. 



