280 RHYNC1IOPUORA. 



thorax enlarged and rounded behind constriction 



at apex ._ B. PETRO, Herlst. 



(limosus, Sharp's Cat.) 



ii. Club of antennae with the first joint pubescent. 

 1. Third joint of the tarsi not broader than the 

 second and not lobed. 



A. Antennae inserted between the middle and 

 base of rostrum which is longer ; form very 

 elongate narrow and parallel ; thorax as 



broad as elytra (Lyprus, Schonh.). . . . B. CVLINDETTS, Payk. 



B. Antennae inserted between middle and apex 

 of rostrum, which is shorter ; form broader ; 



thorax narrower than elytra. 

 a. Fifth interstice of elytra with a strong 

 pointed prominence towards apex, plainly 

 visible if viewed sideways ; length 4|-5 



mm. 



a*. Third interstice with a warty pro- 

 minence on its posterior half; first 

 interstice with a small shining callosity 



at base B. BINODULUS, Herlst. 



b*. Third interstice without distinct pro- 

 minence on its posterior half; first in- 

 terstice without callosity at base . . B. NODUIOSUS, Q-yll. 

 . Fifth interstice simply callose at apex; 



length 24 mm. 



a*. Funiculus of antenna? six-jointed 

 (apparently five-jointed) ; size larger; 



length 3|-4 mm B. ARGILLACETJS, Oyll. 



(inceratus, Gyll.j 



*. Funiculus of antenna? seven-jointed 

 (apparently six-jointed) ; size smaller ; 



length 2-3 mm. 



af. Sides of thorax angularly dilated 

 in front behind constriction at apex, 

 and plainly, although gradually, nar- 

 rowed towards base ; form short and 



broad B. LIMOSUS, Oyll. 



(petrosus, W. C.) 



bf. Sides of thorax not angularly di- 

 lated in front, nearly parallel; form 



narrower, more oblong, 

 aj. Scape of antenna: inserted almost 

 iu middle of rostrum ; form rather 



elongate; tarsi long B. TEMPESTIVUS, Herlst. 



bj. Scape of antennae inserted con- 

 siderably in front of middle of 

 rostrum ; form less elongate. 

 *. Anterior tibiae long, slender 

 and subcylindrical, not distinctly 

 thickened above middle ; tarsi 



rather long B. FRIT, Herbst. 



**. Anterior tibiae moderately long, 



rather broad and flat, sinuate on 



; . their inner side and thickened 



above middle; tarsi short, 

 f. Surface of body distinctly 



