CHIRONOMUS. 169 



70. trichopus, n. Mas, viridi-testaceus, thorace vittis tribus fnl- 

 vis, all's limjjidis, venls lialtei'ib usque albidis, ahdom'ine pllosissimo vitta 

 dorsali fulva, pedihiis iestacels pilosissimis. Long. 8 ; alar. 4 liii. 



3Iale. Greenisk-iesiaceous. Thorax with three tawny stripes. Wiwjs 

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

 tawny stripe. Leys pale testaceous, very pilose. 



Hare. In the British Museum. (E.) 



71. pallidicornis, Steph. MSS. Mas tt Teem, pallide viridis, 

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

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



Male and Fem. Pale (jreen. Thorax with three pale luteous stri2)es. 

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

 whitish. Halteres white. Leys testaceous. Male. Antennce with testa- 

 ceous plumes. 



Rare. 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, li-1^ ; 

 alar. 3 lin. 



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

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

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

 rather long. 



Not common. (E.) 



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

 Stajg. ; Zett. Fa^m. testaceus, nitidus, thorace convexiusculo antico 

 subproducto, alis limpidis apud costam subtestaccis, venis haltcribus- 

 que albidis, segmentorum abdorainalium niarginibus posticis pallidiori- 

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



Fem. 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. Pliud borders of 

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

 slender. 



Not common. (E.) 



74. perennis? Meig. Zw. vi. 249. 92 (1830). 3fas, nigcr, alis 

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

 fuscis. Long, l-i; alar. 3 lin. 



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

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

 Leys brotcn, slender. 



Not common. (E.) 



75. discrepans, n. Mas, nigor, nitens, alis albo-limpidis, venis 

 albis a[)ud costam testaceis, halteribus albidia, abdomine viridi, suturis 



VOL. IV. Z 



