SCIARA. 53 



6. caudata, Walk. C. D. B. M. i. 106 (1848). Nigra, nitens, alis 

 sublimpidis, halteribus pedibusque testaceis, trochanteribus tarsisque 

 nigricantibus ; Fcem. abdomine longissimo. Long. 3 ; alar. 4 lin. 



Fern. Black. Thorax shining. Wings 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. In the British Museum. (E.) 



7. pallipes, F. E. 8. iv. 248. 69 (1792); Meig.; Gim. Nigra t 

 alis sublimpidis, venis nigricantibus, halteribus pedibusque testaceis, 

 trochanteribus tarsisque nigricantibus. Long. 1^-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.; Sta3g. ; 

 Zett. Picea, thorace vittis cinereis, alis sublimpidis, venis nigricanti- 

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

 alar. 2 lin. 



Piceous. Thorax with cinereous 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, halteribus abdomine pedibusque piceis. 

 Long. 1; alar. 3| lin. 



Black. Antennae 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); Stzeg. ; Zett. 

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

 1 ; alar. 2^ lin. 



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

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

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



Not common. (E.) 



11. vitripennis? Hoffm. ; Meig. Zw. i. 281. 9 (1818); Mcq.; 

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

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



