96 EMPID^E. 



univittato, metathoracis disco nigro-cinereo, alls sublimpidis, halteribus 

 flavis, abdomine nigro-trivittato, pedibus luteis, tarsis nonnunquam 

 nigris. Long. 2-3 ; alar. 6-8 lin. 



Luteous, clothed with a few black hairs and bristles. Head with a 

 large black spot behind the eyes. Proboscis black, lancets luteous. 

 Antennas black ; first and second joints clothed with short black hairs. 

 TJwrax with 3 greyish-black stripes ; the middle one including a brown 

 stripe; the side pair short. Disc of the metathorax greyish-black. 

 Wrings colourless or very pale grey ; stigma very pale brown, very 

 narrow ; veins black, tawny towards the base. Halteres pale yellow. 

 Abdomen, with 3 black stripes; the middle one much broader than 

 the side pair. Legs luteous; tarsi black, sometimes tawny, with 

 black tips. 



Generally distributed. (E.) 



23. testacea, Tb. s. a. 141. 20(1804); LL; Mg. ; Mq. ; Ct. 

 scutellata? Ct. Lutea, antennis nigris basi flavis, thorace nigro-uni- 

 vittato ferrugineoque bimttato, alis limpidis, halteribus flavis, abdominis 

 segmentorum marginibus posticis nonnunquam nigris aut nigro-maculatis, 

 pedibus fulvis. Long. 2 ; alar. 6 lin. 



Luteous, hardly shining, clothed with a few black hairs and bristles. 

 Proboscis black, tawny towards the base. Lancets luteous, with 

 black tips. Palpi yellow. Antenna black; first and second joints 

 yellow; third yellow towards the base. Thorax with a slender black 

 stripe, on each side of which there is a slender ferruginous stripe ; a 

 brown spot on each side before the base of the wing. Wings colourless ; 

 stigma tawny, very indistinct ; veins brown, yellow towards the base. 

 Halteres pale yellow. Fore borders of the abdominal segments sometimes 

 black, or with a black spot on each side. Legs tawny; tibias darker 

 than the femora ; tarsi darker than the tibiae, their tips brown. 



Generally distributed. (E.S.I.) 



24. lutea, Mg. zw. iii. 37. 40 (1822); Ct. ochracea? Ct. 

 Lutea, antennis nigris, alis limpidis, halteribus flavis, pedibus fulvis, 

 tarsis fuscis. Long. 2-2^ ; alar. 6-7 lin. 



Luteous, shining, clothed with a few black hairs and bristles. Pro- 

 boscis brown ; lancets tawny, with black tips. Antennas black. Wings 

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

 yellow. Legs tawny ; tibias darker than the femora ; tarsi pale brown. 



Generally distributed. (E. S.) 



25. femorata, Fb. s. a. 140. 14 (1804); LI. ; Mg. ! iii. pi. 22. 

 f. 20. ; Mq. ; Ct. ruralis, Mg. Scotica, Ct. Cinerea, antennis 

 nigris, thorace fusco-quinquevittato, halteribus fulvis, pedibus ferrugi- 

 neis, femoribus nigris crassis ; Mas. alis subfuscis ; Fcem. alis limpidis. 

 Long. 3 ; alar. 6 lin. 



Cinereous, clothed with black hairs and bristles. Proboscis black, 

 brown at the tip ; lancets ferruginous ; palpi black. Antennas black ; 



