148 



SOLPT7GID7E. 



tooth of the upper jaw very large ; lower jaw armed with one 

 large tooth and two small teeth. Flagellum consisting of* two- 

 closely applied pieces forming an apparently single organ fixed to 

 the inner side of the base of the upper jaw, the basal half broad 

 and directed forwards, the apex narrow and upturned, projecting 

 vertically above the edge of the jaw. Legs short, tarsus of 1st 

 tipped with claws ; each tarsus consisting of a single segment. 

 Male smaller than female and with legs longer ; teeth of mandible 

 smaller, 3rd tooth of upper jaw not projecting so strongly. 



Type, R. melanus, Oliv. 



Distribution. As above under Rhagodince, but not occurring in 

 Siam and the Moluccas. 



Synopsis of Indian Species. 



a. Legs and palpi ornamented with black rings 



and spots. 

 a 1 . An tero -lateral angles of head yellow ; 



femur of palp black beneath ; a black 



spot on the lower surface of the femur 



and patella of 1st leg and on posterior 



surface of patella of 4th leg R. nigrocinctus, p. 151.- 



b x . Antero-lateral angles of head not yellow; 



lower side of femur of palp, of legs of 



first pair, and tibia of 4th pair uniformly 



yellow (according to Simon) R. annulatus, p. 152. 



b. Legs and palpi uniformly yellowish or red- 



dish brown, with the tibia and tarsus of 

 palpus and of 1st leg either partially or 

 entirely deep brown. 



«'-. Mandibles yellow, head black R. nigriceps, p. 150. 



b 2 . Mandibles and head of the same colour, 



black or deep brown. 



a 3 . Abdomen entirely black above and 



at the sides ; tibia of 4th leg 



furnished in front beneath with only 



one spine on the proximal side of 



the inferior apical spine R. brevipes, p. 149. 



b 3 . Abdomen not entirely black ; tibia of 



4th leg with 2 spines on the proximal 



side of the inferior apical spine in 



front. 



ff 4 . Upper side of abdomen black in its 



anterior, yellow in its posterior 



half, the last somite quite black . . 7t'. semifiavus, p. 149. 

 i 4 . Upper side of abdomen mesially 

 fhivous ; anal somite uniformly 

 flavous. 

 a'. Sides (if abdomen ornamented with 

 a broad black band ; only 1 stout 

 spine at distal end of patella of 



'2nd and 3rd legs R. vittatus, p. 150. 



b\ No black baud on sides of abdo- 

 men ; at least 2 spines on apex 

 of patella of 2nd and 3rd legs . . R. phipsoni, p. 152. 



