94 



blackish; veins black. Halteres tawny. Legs black, clothed with 

 short black hairs ; posterior femora and tibiae deeply ciliated. 

 Generally distributed. fE.) 



15. albinervis, Mg. zw. iii. 26. 16 (1822). Cana, antennis 

 nigris, alls albis, abdomine nigro nitido, pedibus piceis. Long. If; alar. 

 Si lin. 



Hoary. Proboscis black, near half the length of the body. An- 

 tennae black. Wings white ; veins yellowish- white. Halteres yellow. 

 Abdomen blacky shining. Legs pitchy. Male. Fore metatarsus slightly 

 dilated. 



Bare. In Mr. Stephens's collection. (E.) 



16. leucoptera, Mg. zw. iii. 27. 18 (1822); Ct. Cinerea, an- 

 tennis nigris, halteribus fulvis, pedibus nigris ; Mas. alis albidis ; Fcem. 

 alls subfuscis. Long. 1-| If- ; alar. 3-3^ lin. 



Dark grey, thinly clothed with black hairs. Proboscis black. An- 

 tennae black ; third joint a little longer than the first and the second ; 

 fifth nearly as long as the third. No stigma ; veins black, yellow to- 

 wards the base. Halteres tawny. Legs black. Male. Wings whitish. 

 Hind tibiae very slightly clavate ; hind metatarsi very slightly dilated. 

 Fern. Wings slightly tinged with brown. Legs hardly ciliated. 



Generally distributed. (E. S.) 



17. vitripennis? Mg. zw. iii. 25. 15 (1822); Mq. ; Ct. Cinerea, 

 antennis nigris, alis subfuscis, pedibus fulvis, tibiis apice tarsisque nigris. 

 Long. 1^-11; alar. 3-4 lin. 



Cinereous, thinly clothed with black hairs. Proboscis black ; lancets 

 dark ferruginous ; palpi pale yellow. Antennae black ; first and second 

 joints clothed with short black hairs ; third longer than the first and 

 the second ; fifth more than half the length of the third. Wings pale 

 brown-, no stigma; veins black, tawny towards the base. Halteres 

 tawny. Legs tawny ; tarsi and tips of the tibiae black. Male. Hind 

 tibiae very slightly clavate ; hind metatarsi very slightly dilated. Jem. 

 Posterior femora and hind tibiae ciliated. 



Generally distributed. (E.) 



18. pilipes, Mg. zw. iii. 31. 29 (1822); Ct. Cinerea, antennis 

 nigris, thorace fusco-quinquevittato, alis limpidis, halteribus luteis, pe- 

 dibus fulvis ; Mas. abdomine fulvo aut fusco. Long. 2-2 ; alar. 

 5-5 lin. 



Light grey, thinly clothed with black hairs. Proboscis dark tawny, 

 with a black tip ; lancets tawny. Antennae black ; first and second 

 joints tawny, clothed with black hairs ; third as long as the first and 

 the second ; fourth very short. Thorax with 5 brown stripes. Wings 

 colourless ; no stigma ; veins black, yellow towards the base. Halteres 

 luteous. Legs tawny. Male. Abdomen tawny or dark brown. Fern. 

 Abdomen black. 



Generally distributed. (E. S. I.) 



