94 HYMENOPTERA. 



3. BELONOGASTER GRISEUS. B.M. 



Vespa grisea, Fabr. Syst. Ent. 372. 43; Spec. Ins. i. 468. 59; 

 Mant. Ins. i. 293. 72; Ent. Syst. ii. 279. 91. 



Oliv. Encycl Meth. vi. 672. 

 Sphex grisea,, Christ. Hym. 313. 



Hab. Africa (Senegal; Sierra Leone; Whydah). 



An examination of the typical specimen of this species satis- 

 factorily proves that it cannot be regarded as a variety of B. rufi- 

 pennis ; the petiole in this species being considerably longer and 

 more slender. Specimens from Whydah have the wings very 

 dark brown, or nearly black. 



4. BELONOGASTER MADECASSUS. 



Raphigaster Madecassus, Sauss. Mon. Guepes Soc. 16. 3. 

 Hab. Madagascar. 



5. BELONOGASTER FILIVENTRIS. 



Raphigaster filiventris, Sauss. Mon. Guepes Soc. 16. 4, 

 Hab. Senegal. 



6. BELONOGASTER GUERINI. B.M. 

 Raphigaster Guerini, Sauss. Mon. Guepes Soc. 17. 5. t. 2. f. 3. 

 Hab. Madagascar; Sierra Leone. (Coll. Rev. D. F. Morgan.) 



7. BELONOGASTER INDICUS. 



Raphigaster indicus, Sauss. Mon. Guepes Soc. 1 7. 6. 

 Hab. India. 



8. BELONOGASTER MACILENTUS. B.M. 



Raphigaster filiformis, Sauss. Mon. Guepes Soc. 13. 7- t. 2. f. 4. 

 Zethus macilentus, Fabr. Syst. Piez. 283. 4. (var.) 



Hab. Arabia (Djidda); Port Natal. 



Genus 3. M1SCHOCYTTARUS. 



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

 Mischocyttarus, Sauss. Mon. Guepes. Soc. 19 (1854). 



