MB. AVALKER ON DIPTERA COLLECTED AT MAKESSAB. 169 



228. Drosophila LURiDA, n. s. Mas. Atra, capite piceo, arista plu- 

 mosa, abdomine lurido subpubescente, pedibus obscure fulvis, alis 

 lurido-cinereis, punctis marginalibus nigris, vena transversa praebra- 

 chiali nigro nebulosa. 



Male. Deep black ; head piceous ; antennae short, 3rd joint elongate- 

 conical, arista thinly plumose ; pectus piceous ; abdomen oval, lurid 

 red, minutely pubescent, not longer than the thorax ; legs dull tawny ; 

 wings lurid grey, blackish at the base, with black points at the tips of 

 the longitudinal veins ; veins yellowish ; discal transverse vein straight, 

 upright, with a black point at each end, parted by less than its length 

 from the border, and by about twice its length from the prsebrachial 

 transverse, which is clouded with black. Length of the body 2 lines ; 

 of the wings 4 lines. 



229. Drosophila lateralis, n. s. Mas. Fulva, subtus testacea, 

 abdomine maculis lateralibus nigris, pedibus halteribusque testaceis, 

 alis cinereis. 



Male. Tawny, testaceous beneath ; antennae short, 3rd joint conical, 

 arista plumose; abdomen not longer than the thorax, with black spots 

 along each side ; legs and halteres testaceous ; wings grey ; veins 

 black. Length of the body 1 5 line ; of the wings 3 lines. 



Gen. DiscoMYZA, Meigen. 



230. DiscoMYZA OBSCURATA, n. s. F(£,m. Cinereo-nigra, capite ab- 

 domineque nigris nitentibus, antennis obscure rufis, arista plumosa, 

 pectoris lateribus albido conspersis, alis cinereis fascia informi macu- 

 laque apicali nigricantibus, halteribus albis. 



Female. Cinereous black ; head black, shining ; antennae short, dark 

 red, 3rd joint conical, longer than the 2nd, arista thinly plu- 

 mose ; sides of the pectus with minute whitish speckles ; abdomen 

 elliptical, flat, black, shining, longer than the thorax ; legs black ; 

 wings grey, with an irregular blackish band which does not extend to 

 the hind border, and with a blackish apical spot ; veins black ; discal 

 transverse vein straight, oblique, parted by much less than its length 

 from the border, and by very much more than its length from the 

 praebrachial transverse, which is clouded with black; halteres white. 

 Length of the body 2 lines ; of the wings 3 lines. 



G-en. NoMBA, n. g. 



Mas et Fozm. Corpus latum, crassum. Frons lata. Antennee brevis- 

 simae ; articulus 3"** subrotundus ; arista subpubescens. Thorax sub- 

 pubescens, quasi coriaceus ; scutellum parvum ; metathorax maximus, 

 abdomen alasque incumbentes obtegens. Pedes breves, robusti ; fe- 

 mora subincrassata ; tibiae arcuatae. Alee parvae. 



Male and Female. Body broad, thick, compact. Head almost as broad 

 as the thorax ; front broad, narrower than the epistoma ; face vertical. 



