378 empim;. 



less the metanotum; scutellum shining black, with four yellow 

 bristles. Abdomen black, moderately shining, shortly conical, 

 almost bare ; genitalia elongate ; venter much as upper side. 

 Legs pale brownish yellow ; femora and tips of tarsi barely 

 darker; the middle femora incrassated, and armed below as in 

 orientalis. Wings clear ; halteres yellowish. 



Length, 2^ mm. 



Described from four 5 5 in the Indian Museum taken by me 

 at Darjiling, 26-29. v. 1910 {type, 28. v. 10) ; and one from Simla, 

 10. v. 1909 {Annandaie). 



311. Tachydroinia orientalis, Brun. 



Platypalpus orientalis, Brunetti, Bee. Ind. Mus. ix, p. 89 (1913). 



5 . Head: occiput and frons covered with close pale yellowish- 

 grey tomentum ; irons with almost parallel sides ; ocelli placed 

 just below the vertex, with two proclinate bristles between them 

 and with two similar bristles just behind the vertex, each of the 

 latter placed in a minute black spot on the surface ; two rows of 

 distinct yellow hairs behind the eyes, below the vertical margin, 

 and some on the lower part of the back of the head ; antennal 

 basal joints bright reddish yellow. 3rd joint darker brown, elon- 

 gate onion-shaped, with normally formed arista ; face grey, with 

 pale grey hairs, which give it a whitish reflection when viewed from 

 certain directions ; proboscis about half the height of the head, 

 shining black, elongate conical, bare ; palpi nearly half as long as 

 proboscis, yellow, of moderate size, cylindrical, with a few hairs. 

 Thorax with close very short yellowish-grey or cinereous tomen- 

 tum, and some lateral bristles ; scutellum concolorous, with two 

 strong apical converging bristles, and a smaller pair outside of 

 these; metanotum concolorous, or in some examples more blackish 

 grey. Abdomen dark mahogany brown or blackish brown, with 

 a little short pale pubescence ; a little broader on the middle 

 segments, the apical half conical ; the genitalia elongate, dark 

 grey ; venter similar to upper side. Legs bright brownish yellow ; 

 femora, especially posterior pairs, darker, or with a tinge of 

 brown ; tips of joints of tarsi also narrowly brown. Wings pale 

 but distinctly yellow, veins a little deeper yellow; halteres 

 yellowish. 



Length, 3-4 mm. 



Described from several $ $ in the Indian Museum taken by 

 me at Darjiling, 7000 ft., 29. v. 1910. 



Genus TACHYPEZA, Mg. 



Taehypeza, Meigen, Syst. Besch. vii, p. 94 (1838). 



Genotype, Tachydromia nubila, Mg. (Europe) ; by Eondani's 

 designation. 



This genus is closely allied to Tachydromia, Mg. The eyes are 

 contiguous below the antennas, the facets in that region being a 



