THE ACULEATE HYMENOPTERA PROCURED AT ADEN, 109 



tarsi, the posterior margin of the 4th abdominal segment above, and the 

 whole of the apical segment, laoteous-white ; wings hyaline, nervures 

 testaceous, tegula3 yellow. 



$ . Similar, the apical abdominal segment black, the 6th segment with 

 a narrow medially interrupted line on the apical margin above pale yellow. 



9 . Length 9. E,rp. 1 7 mm. 



$. „ 8. „ lb „ 



Lahej and Shaik Othman {Capt. Nurse). 



55. Cerceris pulchella, Klug. 



Cerceris pulchella^ Klug., Symb. Phys., Dec. v, t. 47, f. 14. <^. 



Huswah (Capt. Burse). 



56. Cerceris vidua, Klug. 



Cerceris vidua^'Klng., Symb. « Phys., Dec. v, t. 47, f. 11. $. 



Shaikh Othman {Capt. Nurse), 



57. Cerceris spinipectus, Smith. 



Cerceris spinipectus^ Smith, Cat. Hym. B. M., iv, p. 443, 30. 9 . (J, 



Shaikh Othman {Capt. Nurse). 



58. Cerceris insignis, Klug. 



Cerceris insignis, Klug, Symb. Phys., Dec. v, t, 47, f. 12. 9. 

 Aden {Col. Yerburu). 



59. Oxybelus ARABS, Lcpel. 

 Oxyhelus arahs, Lepel., Hym., iii, p. 213, 3. 

 Aden {Col. Yerhury and Capt. Nurse). 



Family EUMENID^. 



60. EuMENES TiNCTOR, Christ. 

 SpJiex tinctor, Christ., Naturges, p. 341, t. 31, f. 1. 

 Aden {Capt. Nurse), Shaik Othman {Col. Yerhury). 



61. EUMENES DIMIDIATIPENNIS, SaUSS. 



Eumenes dimidiatipennis, Sauss., Mon. Guep. Sol., p. 51, 23. 

 Aden, {Col. Yerhury), Liahej [Capt. Nurse). 



62. Eumenes lepeleterii, Sauss. 

 Eumenes lepeleterii, Sauss., Mon. Guep. Sol.; p. 4524, t. 10, f. 3. 9 

 Aden, Lahej, Shaikh Othman {CoL Yerhury and Caj t. Nurse) 

 Common. 



63. Rhynchium cyanopterum, Sauss. 

 Rygchium cyanopterum, Sauss., Mon. Guep. Sol., p. 108-9. 

 Aden {CoU Yerhury) , Lahej {Capt. Nurse). 



