HYMENOPTERA. 175 
5. APORUS MELANURUS. 
Pompilus melanurus, Klug, Symb. Phys. dec. iv. no. 22. t. 39. 
f. 10. 
Aporus melanurus, Dah/b. Hym. Europ. i. 443. 
Hab. Arabia. 
6. APORUS ARGYRELLUS. 
Pompilus argyrellus, Klug, Symb. Phys. dec. iv. no, 21. t. 39. f. 9. 
Aporus argyrellus, Dahlb. Hym. Europ. i. 443. 
Hab. Egypt. 
7. APORUS GRACILIS. 
Pompilus gracilis, Klug, Symb. Phys. dec. iv. no. 24. t. 39. f. 12. 
Aporus gracilis, Dahlb. Hym. Europ. i. 443. 
Hab. Egypt. 
8. APORUS AMG:NUS. 
Pompilus ameenus, Klug, Symb. Phys. dec. iv. no. 25. t. 39. f. 13. 
Aporus amoenus, Dahlb. Hym. Europ. i. 443. 
Hab. Egypt. 
9. APORUS SERICEUS. 
Aporus sericeus, Spin. Ann. Soc. Ent. Fr. vii. 462 (1838). 
Hab. Africa. 
10. Aporus WALTLII. 
Aporus Waltlii, Spin. Ann. Soe. Ent. Fr. vii. 462 (1838). 
Hab. Africa. 
11. APoRUS CINGULATUS. B.M. 
Sphex cingulata, Fabr. Ent. Syst. u. 210. 50. 
Pompilus cingulatus, Fabr. Ent. Syst. Supp. p. 247.7. 
Liris cingulata, Fabr. Syst, Piez. p. 230. 9, § Mus. Dom. Banks. 
Hab. Australia. 
12. APORUS FASCIATUS. B.M. 
Male. Length 4 lines.—Black : the face covered with short 
silvery pubescence, the cheeks and the thorax have a similar 
clothing, on the pro- and meso-thorax it is very thin, but dense 
