180 muscidjE. 



tibiae, blackish ; middle tibiae with few bristles ; second joint of hind 

 tarsi linear, twice as long as the first. 

 Not rare. (E. I.) 



8. scutellaris, Hal. E. M. iii. 329. 8 (1836). Nigra, /acie coxis 



genuhusqiie tesiaceis, scutello aterrimo, Jialteribus alhidis, tarsorum posti- 

 corum m'ticuUs duohns incrassatis. Long. | ; alar. 3 lin. 



Like L. ocJtripes. Face and fore margin of tlie front pale testaceous. 

 Thorax glossy-ljlack. Scutellum elongate, opaque, deep black. Wings 

 hyaline ; veins pale-brown ; costal darker ; radial ending much further 

 from the subcostal than from the cubital, which does not quite reach 

 the tip of the wing. Ilaltei'es wJdtish. Abdomen dull-black. Tibiae 

 and tarsi dusky ; fore coxa, base of the tibia, often the entire of the 

 middle tibice and tarsi testaceous or rust-brown; second joint of hind 

 tarsi thickened, twice as long as the first. 



Not common, (E. I.) 



9. nivalis, Hal. E. M. i. 178 (1834). '^\gx^, facie pedibusqne 

 ferrmfinosls, alis halteribusque abbreviatis. Long. 1 lin. 



Dusky-black. Face didl rust-colour. Arista finely pubescent. Scu- 

 tellum shorter than the metathorax. Wings brownish, not extending to 

 the end of the abdomen, sometimes very small. Ilalteres abortive, dusky ; 

 no prccbrachial transverse vein. Legs pubescent, didl rust-colour ; femora 

 and often tlie middle of the posterior tibite dusky ; second joint of hind 

 tarsi not dilated. 



Not rare. (1.) 



10. quisquilia, Hal. E. M. iii. 330. 10 (1836). Nigra, alls in- 

 fumatis, halteribus fuscis ; Mas, tibiis simplicibus. Long. 1 ; alar. 2-^ lin. 



Like L. crassimana, but the tarsi are slender, and the fore tibioe not 

 clavate in the male. Scutellum longer and legs more pubescent than in 

 most of the folloiclng species. 



Rare. In Mr. Haliday's collection. (I.) 



11. fungicola, Hal. E. M. iii. 330. 11 (1836). Nigra, nitida, 

 fronte opaca, alarum lineola costali nigra, halteribus nigris. Long, f ; 



alar. 2 lin. 



Glossy -black ; pubescence very fine. Front opaque, deep black, with 

 a glossy triangle. Face elevated between the antennfe, rather hoary. 

 Wings ample, blackish, rarely hyaline ; veins dusky, black from the sub- 

 costal to the radial, which extends scarcely half-way from the subcostal 

 to the cubital ; costal pubescent at the base ; discal transverse parted 

 by almost twice its length from the pra^bracliial transverse ; submar- 

 ginal areolet wider than usual. 



Not rare. (E. I.) 



12. erratica, Hal. E. M. iii. 330. 12 (1836). Nigro-fusca, facie 

 pedlbusque ferrugineis, alis infumatis, halteribus fuscis. Long, f ; alar. 

 2 lin. 



