CHIBONOMUS. 169 



70. trichopus, n. Mas, viridi-testaceus, thorace vittis tridus ful- 

 viy, alls limpidis, venis halteribusque albidis, abdomine pilosissimo vitta 

 dor sail fulva, pedibus testaceis pilosissimis. Long. 3 ; alar. 4 lin. 



Male. Greenish- testaceous. Thorax with three tawny stripes. Wings 

 limpid ; veins and halteres whitish. Abdomen very pilose, with a slender 

 tawny stripe. Legs pale testaceous, very pilose. 



Eare. In the British Museum. (E.) 



71. pallidicornis, Steph. MSS. Mas et Fcem. pallide viridis, 

 thorace vittis tribus luteis, alls limpidis, venis albidis apud costam testa- 

 ceis, halteribus albis, pedibus testaceis. Long. 1-1 i; alar. 2 lin. 



Male and Fern. Pale green. Thorax with three pale luteous stripes, 

 flings limpid ; costal, radial, and cubital veins pale testaceous, the rest 

 whitish. Halteres white. Legs testaceous. Male. Antenna with testa- 

 ceous plumes. 



Eare. In the British Museum. (E.) 



72. albidus, Wied. Meig. Zw. i. 51. 71 (1818). Mas et Fcem. 

 viridi-albus, thorace vittis tribus fulvis, alis albo-limpidis, venis albis 

 apud costam stramineis, halteribus albis, pedibus albidis. Long. 1^-1 ; 

 alar. 3 lin. 



Male and Fern. Greenish- white. Thorax with three tawny stripes. 

 Wings limpid-white ; costal, radial, and cubital veins pale straw-colour, 

 the rest white. Halteres white. Legs whitish, pubescent, slender, 

 rather long. 



Not common. (E.) 



73. tendens, F. ^. S. iv. 243. 47 (1792) ; Meig. ; Mcq. ; Gim. ; 

 Sta3g. ; Zett. Fcem. testaceus, nitidus, thorace convexiusculo antico 

 subproducto, alis limpidis apud costam subtestaceis, venis halteribus- 

 que albidis, segmentorum abdominalium marginibus posticis pallidiori- 

 bus. Long. 3-4 ; alar. 6-8 lin. 



Fern. Testaceous, shining. Palpi blackish. Thorax rather convex, 

 slightly advanced in front. Wings limpid, with a slight testaceous 

 tinge along the costa; veins and halteres whitish. Hind borders of 

 the abdominal segments pale testaceous. Legs pale testaceous, long, 

 slender. 



Not common. (E.) 



74. perennis? Meig. Zw. vi. 249. 92 (1830). Mas, niger, alis 

 limpidis, venis halteribusque albidis, illis apud costam testaceis, pedibus 

 fuscis. Long. 1-i; alar. 3 lin. 



Male. Black. Antennae with black plumes. Wings limpid ; costal, 

 radial, and cubital veins testaceous, the rest whitish. Halteres whitish. 

 Legs brown, slender. 



Not common. (E.) 



75. discrepans, u. Mas, niger, nitens, alis albo-limpidis, venis 

 albis apud costam testaceis, halteribus albidis, abdomine viridi, suturis 



VOL. iv. z 



