— 305 -- 



Erioptera (Empeda) vaillanti iiov. sp. 



General coloration brown ; haltères yellow ; wings greyisli ; Se compara- 

 liveiy short, H-2 not oMiqne; cell ixl I/2 closed ; Itasal delleclion ftf Cii\ 

 before ihe fork ol' l/. 



Fcmalc. — fiength aboiit, 3. S mm.: winj», 'i.O mm. 



Roslnim and paipi dark itrown. Anleniiac dark lirowii. Iload dark 

 grey. 



Pronotnm whilish testaceous. Mesonolal praoscutnm greyish brown, 

 unmarkcd; Uibercnlale pilslyiny slighllv oandad of llio level of ihe pseii- 

 dosulnral foveae, shiny black, separated from one anolher by a ibslance 

 abonl equal (0 one-half ihe (Hanieler of one: pscudosniurai foveae shiny 

 black; poslerior margin of scnlelinm obscure yellow. Pleuia leddish 

 brown, sparsely grey pruinose. Haltères yellow. Legs wilh the coxae 

 and trochantors obsrni'e yellow; femora brown, tlie bases paler; tibiaeand 

 tarsi ligbt brown. Wings fainlly greyish, highly iridescent: stigma lac- 

 king; veius pale brown. ^nly a single wing romains on ihe unique lype. 

 Venalion : Se comparaliveiy short, ending before midlength of Ils, Sco not 

 far removed from tip of 6V1 (as in the subgenus); r faint, /?.>-f.'5 less than 

 ils own leugth beyond the end of Hn; /?2 + 3 longer than II) bnt shorter 

 than /t3; /^2 intermediale in obliquity between E. [E.)Jlnva sud E.[E.) 

 niihila ; cell isl I/o ciosed : m about one-half the ouler detlection of l/?, ; 

 basai detlection of Cmi before the fork of l/, the distance abonl equal to m. 



Abdomen lighl brown, the valves of the ovipositor horn-colored. 



Habitat. — Mongolia (Gobi). 



liololvpe, 9, Gha Tchéou à KanTcheou, Nan Glian. versant nord, alli- 

 lude 1 000-9000 meters, Jane 1909 (Dr. L. Vaillant). 

 Type in the collection of the Paris Muséum. 



Genus Gonomyia Meigen. 

 Gonomyia (Ptilostena) reticulata nov. sp. 



General coloration brown: haltères yellow witli brown knobs ; legs 

 brownish yellow, the tarsi dark brown; wings subhyaline with a reticnlale 

 pattern of brown dots along the veins; Se long, Sa op|)osite the origin of 

 /?s; B\ and /?2 in pnnctiform contact al wing-margin : a snpernnmerai'y 

 crossvein in cell Ih- 



Female. — Lenglh, 7 ram.; wing, 7 mm. 



Type badly discolored by grease. 



