LAUXANIA. 185 



praebrachial transverse by more or less than twice its length, and by 

 more than half its length from the border. 



a. Arista plumose. Species 1, 2. 

 a a. Arista pubescent. Species 3, 4. 



1. cylindricomis, F. E. S. iv. 332. 86 (1794); Pz. ! Fn. cv. 

 11; Fal. ; Meig.; Mcq. ; Zett. chrysoptera, Schr. rufitarsis, Latr. 

 Nigra, antennis fulvis, thorace cinereo-trivittato, alls fulvis basi nigris, 

 halteribus fulvis apice nigris, tarsis piceis. Long. 2 ; alar. 5 lin. 



Black. Frontalia with a slight furrow on each side. Epistoma not 

 prominent. Antennas tawny, almost reaching the epistoma ; third joint 

 conical, about twice the length of the second ; sixth black, plumose. 

 Thorax with three grey stripes. Wings tawny, black at the base ; dis- 

 cal transverse vein indistinctly undulating, parted by very much more 

 than its length from the prasbrachial transverse, and by little more than 

 half its length from the border. Halteres tawny with black knobs. 

 Tarsi piceous. 



Common. (E. S. I.) 



2. lupulina, F. E. S. iv. 323. 45 (1794); Fal. ; Meig.; Mcq.; 

 Zett. Nigra, glauco-tomentosa, antennis testaceis, alis subfulvis, hal- 

 teribus abdomine pedibus posticis necnon tibiis tarsisque intermediis tes- 

 taceis. Long. 1^ ; alar. 4 lin. 



Black, with glaucous tomentum. Head whitish, a brown band in 

 front of the vertex. Antennae testaceous, almost reaching the epistoma ; 

 third joint conical, more than twice the length of the second ; arista 

 black, plumose. Wings slightly tawny ; discal transverse vein almost 

 straight, parted by more than twice its length from the prsebrachial 

 transverse, and by much more than half its length from the border. 

 Halteres, abdomen, and legs testaceous. Fore legs black ; fore knees 

 testaceous ; middle femora black. 



Common. (E. S. I.) 



3. senea, Fal. Ortal. 28. 3 (1820); Meig.; Mcq.; Zett. Mneo- 

 viridis, antennis testaceis, alis subfulvis, pedibus fulvis, pedibus anticis 

 femoribusque nigris. Long, lf-2 ; alar. 4^-5 lin. 



JEneom- green. Epistoma not prominent. Antennae testaceous; 

 third joint darker towards the tip ; arista black. Wings slightly tawny ; 

 discal transverse vein parted by nearly twice its length from the pra3- 

 brachial transverse, and by a little more than half its length from the 

 border. Halteres testaceous. Legs tawny ; femora and fore legs 

 black ; fore tibiae tawny towards the base. 



Common. (E. S. I.) 



4. Elisse, Wied. ; Meig. Zw. v. 297. 2 (1826) ; Mcq. ; Zett. Atra t 

 antennis basi fulvis, alis luteis basi nigris, pedibus piceis, tarsis poste- 

 rioribus fulvis. Long. 1| ; alar. 4 lin. 



Deep-black, shining. Face slightly convex. Epistoma very slightly 

 VOL. ii. 2 B 



