692 Tachytes. 



natalensis Sauss. - 6 — Afr.: Port Natal. [Hymdn.I.) p.21 n.lO,(5;T. 1 F.4. 



Tachytes Natalensis Saussure, Mem. soc. phys. & hist. nat. Genfeve XIV. P. 1. 1854 (Mel. 



Tachytes Natalensis Saussure, Reise d. Novara. Zool. II. P. 1. 1867 Hymen. p. 68 n. 1, (5- 

 nigerrimas ;White) Smith — Q — Austr. : New Zealand. 



Astata nigerrimus White, Buttler: Voy. Erebus 1874? p. ?; T. 7 F. 14. 



Tachytes nigerrimus Smith, Catal. Hymen. Brit. Mus. IV. 1856 p. 302 n. 26, Q. 



Tach^^tes nigerrimus Hutton, Catal. New Zealand Diptera ete. 1882 p. 102, Q. 

 nigripennis Spin. — Q (5 — Eur. centr. & mer. 



Tachytes nigripennis Spinola, Insect. Ligur. II. 1808 p. 260 n. 95, Q. 



Tachytes nigripennis v. d. Linden, Nouv. mem. acad. sc. Bruxelles V. 1829 p. 20 n. 3. 



Tachytes nigripennis Dahlbom, Hymen. Europ. I. 1843 p. 126 n. 62, Q. 



Tachytes nigripennis Dahlbom, Hymen. Europ. I. 1845 p. 471 n. 9, Q. 



Tachji;es nigripennis Schenck, Jahrb. Ver. Naturk. Nassau XII. 1857 p. 194 n. 1. 



Tachytes nigripennis Taschenberg, Zeitschr. f. d. ges. Naturw. XII. 1858 p. 84 n. 3, Q. 



Tachytes nigripennis Brischke, Schrift. phys. okon. Ges. Konigsberg II. 1862 p. 100, Q c5- 



Tachytes nigripennis Taschenberg, Hymen. Deutschl. 1866 p. 201 n. 3, Q. 



Tachytes nigripennis Ach. Costa, Ann. mus. zool. Napoli IV. (1864 1867 p. 85 n. 6, Q ^. 

 nitidnlus (Fabr.) Dahlb. — (J — As.: India, Sumatra. 



Crabro nitidulus Fabricius, Entom. system. II. 1793 p. 294 n. 6. 



Crabro nitidulus Fabricius, Syst. Piez. 1804 p. 309 n. 7. 



Tachytes nitidula Dahlbom, Hymen. Europ. L 1845 p. 470 n. 8, S- 



Tachytes nitidulus Smith, Catal. HjTnen. Brit. Mus. IV. 1856 p. 298 n. 12, <$. 

 obdnctas Fox — Q — Am.: Tennessee. 



Tachytes obductus Fox, Trans. Amer. Entom. Soc. XIX. 1 892 p. 250 n. 22, Q. 



Tachytes obductus Fox, Proc. Acad. Nat. Sc. Philadelphia 1893 p. 503, Q. 

 obesns Kohl — e (5 — Eur.: Hispania; As.: Syria. 



Tachytes obesa Kohl, Verh. zool. bot. Ges. Wien XXXIII. 1883 p. 365 n. 2, Q ^. 



Tachytes obesa Kohl, Verh. zool. bot. ^Ges. Wien XXXIV. 1884 p. 331 & 334 n. 2,Q(5. 

 obscnripennis Schenck — S — Eur.: Germania. 



Tachytes obscuripennis Schenck, Jahrb. Ver. Naturk. Nassau XH. 1857 p. 190 & 194 n. 2,(5- 



Tachytes(?) obscuripennis Kohl, Verh. zool. bot. Ges. Wien XXXIV. 1884 p. 396 n. 16,(5- 

 Obscnrns Cress. — Q S — A.m. : Columbia, Mexico. 



Tachytes obscurus Cresson, Trans. Amer. Entom. Soc. IV. 1872 p. 217, Q. 



Tachytes obscunis Fox, Trans. Amer. Entom. Soc. XIX. 1892 p. 249 n. 20, Q cJ. 



Tachytes obscurus Fox, Proc. Acad. Nat Sc. Philadelphia 1893 p. 503, Q (J. 

 Observabilis Kohl — Q — Afr.: Sansibar. 



Tachytes observabilis Kohl, Ann. naturh. Hofmus. Wien IX. 1894 p. 295, 2; T. 13 F. 29. 

 Obsoletus (Rossi) Kohl ~ Q ^ — Eur. centr. & mer. 



Apis obsoleta Rossi, Mant. Insect. P. 1. 1792 p. 143 n. 318. 



? Tachytes obsoleta v. d. Linden, Nouv. mem. acad. sc. Bruxelles V. 1829 p. 20 n. 2. 



?Tachytes (Tachyptera) obsoleta Dahlbom, HjTnen. Europ. I. 1843 p. 133 n. 67, S- 



? Tachytes (Tachyptera) obsoleta Dahlbom, Hymen. Europ. I. 1845 p. 471 n. 16, Q ^ 



? Tachytes obsoletus Lepeletier, Hist. nat. Insect. Hym6n. III. 1845 p. 251 n. 14, Q S 



?Tachyte8 obsoleta Lucas, Explor. sc. Algerie. Zool. III. 1846 p. 249 n. 217. [n. 2, 



? Tachytes obsoleta var. .9& y Eversmann, Bull. soc. natural. Moscou XXII. P. 4. 1 849 p. 385 



? Tachytes obsoleta Schenck, Jahrb.Ver.Naturk.Nassau XII. 1857 p.l90 n.l.Q(5; T.2F.24 



? Tachytes obsoleta Taschenberg, Zcitschr. f. d. ges. Naturw. XII. 1858 p. 84 & 85 n. 6 



? Tachytes obsoleta Taschenberg, Hj-men. Deutschl. 1866 p. 201 n. 6, Q S- 



? Tachytes obsoleta Ach. Costa, Ann. mus. zool. Napoli IV. (1864) 1867 p. 87 n. 10, Q (J, 



? Tachytes obsoleta Radoszkowski, Fedtschenko: Turkestan Sphegid. 1877 p.27 n. 6,9(5, 



? Tachytes obsoletus Rudow, Zeitschr. f, d. ges. Naturw. LL 1878 p. 237. 



