HYMENOPTERA. 93 



latter, and a spot beneath the wings, yellow ; the legs pale rufo- 

 testaceous ; the coxae outside, the apex of the femora, and the 

 anterior and intermediate tibiae in front, yellow; the posterior 

 tibiae and tarsi, and also the intermediate tarsi, thinly fringed 

 outside with long fine hairs ; the anterior tibiae have a row of 

 spines or hairs which are thickened at their apex, forming clavate 

 appendages ; the scutellum, post-scutellum, and a longitudinal 

 stripe, the width of the scutellum, on the metathorax, white ; the 

 wings subhyaline and splendidly iridescent; the hinder wings 

 with a fringe of fine long hairs on their posterior margin. The 

 petiole of the abdomen above, a transverse stripe at the base of 

 the fifth and sixth segments, and the seventh entirely, yellow ; a 

 minute lateral spot on the third segment, and all the segments 

 with a spot on each side beneath. 



Hab. Malacca (Mount Ophir). (Coll. A. Wallace.) 



5. ISCHNOGASTER NITIDIPENNIS. 



Ischnogaster nitidipennis, Sauss. Mon. Guepes Soc. 10. 4. 

 Hab. Cayenne. 



Genus 2. BELONOGASTER, 



Vespa, pt., Fabr. Ent. Syst. ii. 279 (1793). 



Zethus, pt., Fabr. Syst. Piez. 282 (1804). 



Raphigaster, Sauss. Hon. Guepes Soc. 12 (1853) : nee Lap. 



(Hemip.) 1833. 



Belonogaster, Sauss. Mon. Guepes Soc. Append. (1853). 

 Sphex, pt., De Geer, Mem. vi. (1773). 



1. BELONOGASTER JUNCEUS. B.M. 

 Vespa juncea, Fabr. Mant. Ins. i. 293. 73 ; Ent. Syst. ii. 277. 85. 



Oliv. Encycl. Meth. Ins. vi. 673. 

 Vespa Guineensis, Fabr. Ent. Syst. ii. 277- 85. 

 Vespa cinerea, Fabr. Ent. Syst. ii. 279. 92. 

 Zethus Guineensis, Fabr. Syst. Piez. 283. 2. 

 Zethus cinereus, Fabr. Syst. Piez. 283. 3. 

 Raphigaster junceus, Sauss. Mon. Guepes Soc. 14. 1. t. 2. f. 2. 

 Hab. Africa (Congo ; Senegal ; Abyssinia). 



2. BELONOGASTER RUFIPENNIS. B.M. 



Sphex rufipennis, De Geer, Mem. Ins. vii. Gil. t. 45. f. 10. 

 Vespa macilenta, Fabr. Spec. Ins. i. 468. 61 ? Mant. Ins. i. 293. 



74 ; Ent. Syst. ii. 280. 93. 

 Sphex dimidiata, Christ. Hym. 313. t. 31. f. 4. 

 Raphigaster rufipennis, Sauss. Mon. Guepes Soc. 15. 2. 



Hab. Africa. 



