SCIAKA. 53 



0. caudata, Walk. C. D. B. M. i. 106 (1848). Nigi-a, nitciis, alis 

 sublimpidis, halteribus pedibvisque testaceis, trochanteribus tarsisque 

 nigricaiitibus ; Fosm. abdomiue longissimo. Long. 3 ; alar. 4 liu. 



Fern-. Black. Thorax shining. "VYings nearly limpid ; radial and 

 cubital veins blackish, the others pale ; radial vein extending beyond 

 half the length of the wing and a little beyond the fork of the sub- 

 apical vein. Halteres and legs testaceous. Abdomen much elongated, 

 about six times the length of the thorax. Trochanters and tarsi black- 

 ish. 



Rare. lu the British Museum. (E.) 



7. pallipes, F. E. S. iv. 248. 69 (1792); Meig. ; Gim. Nir/ra, 

 alis sul>limpidis, venis nigricantibus, halteriljus pedibusque testaceis, 

 trochanteribus tarsisque nigricantibus. Long, li-2 ; alar. 3-4 lin. 



Black. Wings nearly limpid ; veins blackish ; subapical vein pale 

 before its flexure ; radial extending to the fork of the subapical, and 

 much beyond the half of the length of the wing. Halteres and legs 

 testaceous ; trochanters and tarsi blackish. 



Common. (E. I.) 



8. hyalipennis, Meig. Zw. i. 285. 21 (1818); Gim.; Stfeg. ; 

 Zett. Plcea, thorace vittis cinerels, alis sublimpidis, venis nigricanti- 

 bus, halteribus pedibusque testaceis, tarsis nigricantibus. Long. 1 ; 

 alar. 2 lin. 



Piceous. Thorax with ci}ie?'eo?(s stripes. Wings nearly limpid ; veins 

 blackish ; subapical vein pale before its fork ; radial vein extending to 

 the fork of the subapical, and beyond half the length of the wing. 

 Halteres and legs testaceous ; tarsi blackish. 

 ■ Common. (E. S. I.) 



9. praecox, Meig. Zw. i. 279. 4 (1818); Mcq.; Stseg. ; Zett. 

 Nigra, alis fuscis, venis nigris, halteiibus abdomine pedibusque piceis. 

 Long. 11 ; alar. 3-1 lin. 



Black. Antenna3 rather short and stout. Wings brown ; veins 

 black ; radial vein ending at beyond half the length and very little 

 before the fork of the subapical ; subapical and subanal veins distinct. 

 Halteres, abdomen and legs piceous. Legs rather stout. 



Common. (E. S. I.) 



10. fuscipennis, Meig. Zw. i. 282. 11 (1818); Sta^g. ; Zett. 

 Nigra, alis cinereis, venis nigris, halteribus pedibusque piceis. Long. 

 1 ; alar. 2Hin. 



Black. Antennte rather stout, pubescent. Wings grey ; veins black ; 

 prajbrachial vein ending at about half the length of the wing, and a 

 little before the fork of the subapical vein. HaUeres and legs piceous. 



Not common. (E.) 



11. vitripeimis? Hoffm. ; Meig. Zw. i. 281. 9 (1818); :\[cq. ; 

 Gim. Nigra, gracilis, mediocris, alis sublimpidis, veuis nigris, halteri- 

 bus pedibusque fuscis, tarsis nigricantibus. Long. 1 ; alar. 2 liu. 



