162 MUSCID.E. 



Antennse tawny ; sixth joint black, plumose. Disc of the thorax grey. 

 Wings greyish, with darker streams between the veins ; tips of the radial, 

 cubital, and prcebrachial veins slightly clouded with brown ; transverse 

 veins clouded with dark brown ; discal transverse oblique, almost straight, 

 parted by nearly twice its length from the prasbrachial transverse, and 

 by full half its length from the border. 

 Not rare. (E.) 



3. pallida, Fal. Helom. 3. 1 (1820); Meig.; Zett. Testacea, 

 arista pubescente, thoracis disco fulvo, alls jlavo-subcinereis, abdomine 

 fusco-faseiato. Long. 3 ; alar. 6 lin. 



Testaceous. Third joint of the antennae short-conical, about twice 

 the length of the second ; sixth black, pubescent. Disc of the thorax 

 tawny. Wings slightly grey, with a yellowish tinge in front. Halteres 

 pale testaceous. Abdomen with a narrow brown band on the hind 

 border of each segment. Tarsi with brown tips. 



Not common. (E.) 



Genus VIII. LERIA. 



LERIA, Desv. E. M. (1830). Musca p., L. ; F. ; D. G. ; Schr. ; GmeL 

 Helomyza p., Fal. ; Meig. ; Zett. Blephariptera, Mcq. 



Corpus oblongum, subsetosum. Antennas brevissima; articulus tertius 

 rotundus, secundo paullo longior ; arista nuda. Alee mediocres, costa 

 spinosa. 



Body oblong, slightly bristly. Head slightly produced ; front flat ; 

 face oblique. Epistoma and sides of the peristoma rather prominent. 

 Proboscis short. Palpi nearly filiform. Antennae very short; third 

 joint round, a little longer than the second; fourth and fifth indistinct 

 or obsolete; sixth long, slender, bare. Thorax elliptical; transverse 

 furrow indistinct. Wings moderately long; costal vein armed with 

 short spines, ending on the hind border at some distance from the tip ; 

 subcostal vein ending at before one-third of the length of the wing ; 

 mediastinal ending at before half the length ; cubital and praBbrachial 

 very slightly diverging between the transverse veins, nearly parallel 

 from the discal transverse to the border. Abdomen long-obconical. 

 Legs slender, pubescent, with a few bristles. Fern. Oviduct exserted. 



1. serrata, L. En. 1847 (1761) ; F. ; Schr. ; Gmel. ; Fal. ; Meig. ; 

 Mcq. ; Zett. latrinarum, D. G. Ferruginea, capite pallido, thorace 

 cinereo vittis duabus obscurioribus, alis limpidis, pedibus testaceis. 

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



Ferruginous. Head luteous above, whitish-testaceous beneath. An- 

 tennas ferruginous ; sixth joint black. Thorax with grey tomentum, 

 and with two darker dorsal stripes. Wings limpid ; discal transverse 



