.1 Monogniph of Egypliaii Diptcra. 



just above the antennœ. Legs orange, except the cxtrenie base of 

 the anterior femora. 



Length from 8 to 12 mm. 



S. coroUœ is one of the commonest Egyptian species of tliis 

 family and occurs ail over Egypt. My records extend from the 

 end of August to June. It is known to occur ail over North Africa, 

 Europe, Asia Minor and North Asia, Madeira, Canary Islands, 

 China, Janan and South America. 



2. S. BALTEATUS HEG , ()M. TV, fig fi mak')- 



Deg., Mém. pour .serv. rhi.st. d. Ins., VI. 116. 7. {Mnsca) (1776); 

 ViLL., Entom. Linn.. III. 454.11]. {Musra) (1789) ; Meig., System. 

 Beschreib., III. 312.57. (1822); Macq., Rec. Soc. Sci. Lille, 1828. 

 249.38. (1829), Suit, à Buff., I. 538.11. (1834) et Explor. scient. 

 Algérie, Zool., III. 469.169. (1847); Brullé, Expéd. sci. Morée, 

 III. 1., 310.670. (1832) ; BorcHÉ, Naturgesch. d. Ins., 1.50.33. t. 

 V. f. 1-3 (1834) ; Vallot, Annal. Soc. Entom. Fr., III. Bull., LXV. 

 (1834); Lw. Programm. Posen, 1840.34.5. (1840), Isis, 1840. VIII. 

 572.5. (1840) et Verh. zool.-bot. Ver. Wien., VIL 80.38. (1857) ; 

 Blanch., Hist. Nat. Ins., III. 600. t. IV. f. 2. (1840) ; Zett., Dipt. 

 Scand., IL 721. 24. {Sca'cu) (1843) et VIII. 3139. 24. {Scœva) 

 (1849); Rond., Nuov. Annal. Sci. Nat. Bologna, (2). VIII. 

 341. nota. (1847), Dipterol". Prodr., IL 132. 13. (1857) et 

 Bull. Soc. Entom. Ital., IX. 61. (balthratus) (1877); Walk., 

 List Dipt. Brit. Mus. III, 582. (1849) et Ins. Britann., 

 Dipt., I. 289. 10. (1851); Schin., Verh. zool.-bot. Ver. Wien, VIL 

 350. 50. (1857), Fauna Austr. Dipt., I. 309. (1862) et Nov. Reise, 

 Dipt., 353.42. (1868) ; Curt., Farm. Ins., 82. (1860); Bonus., Fini. 

 tvaving. Ins., I. 241. 21. (Scœva) (1861); Malm., Goeteb. Kongl. Vet. 

 Handl, 1863.32. (Scœva) (1863) ; Weijenb., Tijdschr. v. Entom., 

 (2) TX. (XVII). 155. (1874); v. d. Wulp, Sumatra Expéd., Dipt., 

 33.5. (1881) et Catal. Dipt. South Asia, 118. (1896) ; Kow., Wien. 

 Entom. Zeitg., IV. 135. (1885) ; Neuhaus, Dipt. Marchica, 102.17. 

 (1886) ; Beck., Berlin. Entom. Zeitschr., XXXIII. 175.161. (1889) ; 

 Griff., Bull. Mus. Zool. e. Anat. comp. Torino, VIII. N° 143.7. 

 (1893); Strobl., Mitteil. Naturwiss. Ver. Steiermark, XXIX. 

 1892.166. (1893); MiK., Wien. Entom. Zeits;. XVII. 169.84. (1898) ; 

 CoQUiLL., Proc. TTnit, Stat. Nat. Mus., XXI. 322. (1898); Plateau, 

 Mém. Soc. Zool. Fr. XIII. 278. (1900); Verr., Brit. FI., VIII. 

 390.22. f. 302. (1901) ; Melj., Zoolog. Jahrb., Abth. Anat., XV. 679. 



