PIOPHILA. 221 



3. pallida, Fal. Opomyz. 9. 2 (1820) ; Meig. ; Mcq. ; Zett. Tes- 

 tacea, alls subtestaceis. Long. 3 ; alar. 6 lin. 



Testaceous. Head paler beneath. Arista pubescent, black at the 

 base. Wings slightly testaceous ; prsebrachial vein slightly curved and 

 parallel to the cubital between the discal transverse and the tip ; discal 

 transverse parted by nearly thrice its length from the prsebrachial trans- 

 verse, and by full one-third of its length from the border. Male. Ab- 

 domen linear. Jem. Abdomen oblanceolate. 



Not common. (E. S.) 



4. bicolor, Meig.! Zw. v. 358. 4. pi. 61. f. 13 (1826); Mcq.; 

 Zett. -pallida var. /3, Pal. Testacea, alis limpidis, abdomine nigro. 

 Long. 2-3 ; alar. 4-6 lin. 



Testaceous. Arista pubescent. Wings limpid; prasbrachial vein 

 slightly curved and diverging from the cubital towards the tip ; discal 

 transverse slightly oblique, parted by four times its length from the 

 prsebrachial transverse, and by almost half its length from the border. 

 Abdemen black. Male. Abdomen linear. Fern. Abdomen oblanceolate, 

 compressed towards the tip, which is tawny. 



Not rare. (E.) 



5. Rosse, F. E. S. iv. 356. 181 (1792); Fal.; Meig.; Mcq.; 

 Zett. ; Curt. Nigra, capitefulvo, alis limpidis, pedibus testaceis. Long. 

 H-2 ; alar. 3-4 lin. 



Black. Head tawny , testaceous beneath. Third joint of the antennae 

 black; sixth testaceous, pubescent. Wings limpid; prsebrachial vein 

 slightly curved beyond the discal transverse, diverging from the cubital 

 towards the tip ; discal transverse nearly straight and upright, parted 

 by much more than twice its length from the prsebrachial transverse, 

 and by full half its length from the border. Halteres whitish. Legs 

 testaceous. Male. Abdomen nearly linear. Fern. Abdomen fusiform. 



Common. (E. S. I.) 



The following additional species have been recorded as British: 



1. pectoralis, Fal. 3. nigra, Fal. 



2. nigricornis, Meig. 4. atra, Meig. 



Genus VI. PIOPHILA. 



PIOPHILA, Fal. Heterom. (1820); Meig.; Mcq.; Zett. Musca p., 

 F. E. S. ; Gmel. TepJiritis p., F. S. A. Tyrophaga, Kby. ; Curt. 



Corpus lineare, non elongatum. Caput subrotundum. Antenna epi- 

 stoma non attingentes ; articulus tertius secundo duplo longior. Alse 

 subangustaB. Abdomen thorace paullo longius. Pedes longitudine 

 mediocres. 

 Body linear, moderately long, shining, not bristly. Head nearly 



