118 SYKPIIIDAE. 



Melanostomn orientalis Wied. Anal. ent. 36. 58 ; id. Auss. Zweifl. II. 139. 

 4U(5^/yV/«.s); Ost. Sack. Ann. Mus. Gen. XVI. 437 — East India. 

 Perhaps synonymous to M. scalaris Meig. (see Ost. 

 Sack. 1. c). 



- ciiigiilala Big. Ann. See. Ent. de France, 1884. 85. 16. — Mysol. 



Didea Macq. 

 Suit, a Buft'. I. 508 (1834). 



D. (liaphaua Dol. Nat. Tijdschr. Ned. Ind. XIV. 409. — Amboina. 



Syrphus Fabr. 



Syst. Entom. (1775). 



S. balteatus de Geer, Ins. VI. 116. 7 (Mnsca); Meig. Syst. Beschr. 

 III. 312. 57; Macq. Suit, a Bufl". I. 538. 11; Zett. Dipt. Scand. 

 II. 731. 24 (Scaeva); Scbin. Faun, austr. I. 309; v. d. Wulp, 

 Dipt. Sum. exp. 33. 5. — China, Coromandel, Ilindostan, Su- 

 matra, Borneo, Java; also Europe and Australia. 

 Syn. Scaeva nectarea Fabr. Syst. Antl. 253. 22. 



Syrphus nectarinus Wied. Auss. Zweifl. II. 128. 21; Ost. 



Sack. Ann. Mus. Gen. XVI. 438. 

 SyrpJms alternans Macq. Dipt. exot. II. 2. 89. 7 ; Walk. 

 Proc. Linn. Soc. I. 124. 107. 



- ae^rotns Fabr. Syst. Antl. 243. 48; Wied. Auss. Zweifl. II. 118. 



3; Macq. Dipt. exot. II. 2. 88. 4; Walk. Proc. Linn. Soc. I. 

 124. 106; id. m. 97. 78; id. V. 286. 62; id. VII. 212. 51, 

 225. 16 and 234. 27; Ost. Sack. Ann. Mus. Gen. XVL 437 ; id. 

 Berl. Ent. Zeitschr. XXA'I. 116; v. d. Wulp, Dipt. Sum. exp. 

 32. 1. — Java, Sumatra, Philippines etc. 



Syu. Syrphus fascipennis Macq. Suit, a Bufl". I. 537. 9. 



Bidea Ellenriederi Dol. Nat. Tijdschr. Ned. Ind. XIV. 



407. pi. 10 f. 2. 

 Syrphus injirnms Rond. Ann. Mus. Gen. VII. 423. 

 . Corollae Fabr. Syst. Antl. 250. 8 (Scneva); Meig. Syst. Beschr. III. 

 304. 46; Wied. Auss. Zweifl. II. 121. 7; Macq. Suit, a Bufl". L 

 539. 18; Zctt. Ins. lapp. 602. 16 (Scaeva); id. Dipt. Scand. II. 

 720. 23 (Scaeva); Schiner, Faun, austr. 1. 206. — China; also 

 llurope, 



