SEPEDON. 169 



10. Hieracii, F. E. S. iv. 361. 201 (1794); Meig.; Mcq. 

 Argus, F. nemorum, Fal. ; Zett. Testacea, thorace ferrugineo-macu- 

 lato, alia nigro-fuscis e guttis limpidis trifasdatis, abdomine fusco-albido 

 fasciato. Long. 2 ; alar. 4 lin. 



Testaceous, with white tomentum beneath. Head white beneath. 

 Proboscis tawny. Palpi whitish. Third joint of the antenna a little 

 longer than the second; sixth black, with long hairs, testaceous towards 

 the base. Thorax with ferruginous spots. Wings blackish-brown, with 

 numerous limpid dots, which form three irregular bands; discal trans- 

 verse vein slightly oblique, very slightly undulating, parted by much 

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

 little less than half its length from the border. Halteres whitish. Ab- 

 domen brown, with whitish interrupted bands on the hind borders of 

 the segments. Legs pale testaceous. 



Generally distributed. (E. S. I.) 



11. sylvatica, Meig. Zw. vi. 41. 15 (1830) ; Mcq. ; Zett. ; Loew. 

 -ferruginea var. minor, Fal. Rufo-fulva, antennis fulvis, articulo se- 

 cundo vix elongato, alis subdnereis antice subflavis, pedibus testaceis. 

 Long. 3-3 ; alar. 6-7 lin. 



Reddish-tawny. Head testaceous beneath. Antenna tawny ; second 

 joint shorter than usual; third a little longer than the second; sixth 

 black, very deeply plumose. Wings greyish, yellowish in front ; trans- 

 verse veins clouded; discal transverse oblique, slightly curved outward, 

 parted by more than twice its length from the prabrachial transverse, 

 and by more than half its length from the border. Halteres and legs 

 testaceous. 



Not common. Inhabits woods. (E. I.) 



The following additional species of Tetanocera have been recorded 

 as British : 



1. chaerophylli, F. 4. arrogans, Meig. 



2. pratorum, Fal. 5. elata, F. 



3. obliterata, F. 6. dorsalis, F. 



Genus XII. SEPEDON. 



SEPEDON, Latr. G. C. iv. 350 (1809); Fal.; Meig.; Mcq.; Zett. 

 Syrphus p., F. Mulio p., F. ; Schell. ; Pz. Baccha p., F. Scato- 

 phaga p., F. Musca p., Schr. ; Gmel. ; Pz. 



Corpus angustum. Frons depressa. Facies obliqua. Peristoma valde 

 productum. Antenna longa ; articulus tertius secundo brevior. Pedes 

 sat longi ; femora postica subincrassata, subtus spinosa ; tibia postica 

 subarcuata. 

 Body narrow, slightly pubescent, with very few bristles. Front de- 



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