70 STKATIOMYID-E. 



pale yellow; proboscis black; facial tubercle reddish brown, 

 moderately prominent, more or less bare, shining : antennae 

 orange, 3rd joint more brownish, tip blackish ; occiput black. In 

 2 , irons one-third of head, approximately of uniform width 

 throughout, shining black, with short golden pubescence about 

 antennae ; face similar, with white pubescence; a pair of large 

 bare shining orange- brown or dark brown contiguous spots im- 

 mediatelv above and contiguous to antennal prominence ; rest as 

 in S . Thorax black, with short golden-yellow, greyish, or whitish 

 pubescence, which is almost tomentose in centre of dorsum and 

 longer towards sides ; sides of thorax black, with rather longer 

 though still comparatively short pubescence ; occasionally just 

 below dorsum the pubescence is concolorous with pubescence of 

 that region ; scutellum narrowly margined with orange, spines 

 brownish orange. Abdomen yellowish to brownish ; 1st segment 

 with a small elongate spot on middle of hind margin, of variable 

 width ; 2nd and 3rd segment with a large median spot on each 

 from anterior to hind margin, narrowed in middle; 4th with a 

 large spot, generally broader than the others, placed on anterior 

 margin, rounded behind, not reaching hind margin ; all the spots 

 contiguous to one another, forming a more or less angulated 

 dorsal stripe. Considerable variation occurs in the width of the 

 spots on the 2nd and 3rd segments, which are often very narrow 

 or obsolete ; in some specimens (one 2 from Chapra, Bengal) the 

 abdomen is brownish, bearing only an indistinct narrow blackish 

 stripe on 3rd and 4th segments ; in some specimens the abdomen 

 is brownish, with indistinct and irregular blackish marks over the 

 whole centre. Venter brownish or yellowish, with more or less 

 darker marks. Legs yellow, tips of tarsi from barely darker to 

 distinctly brown ; occasionally a shining brown streak, varying in 

 size, on middle of outer side of hind tibiae (in one specimen from 

 Chapra, Bengal, extending to more than the middle half of the 

 tibiae ; in this example tips of tarsi dark brown ; hind tarsi dark 

 brown, last three joints black). Wings quite colourless; anterior 

 veins pale yellow ; halteres yellowish. 



Length, 7-10 mm. 



Described from a number of both sexes in the Pusa collection, 

 taken at Pusa, 29. ii.-28. v. in various years on Justicia, indigo, and 

 sugar-cane. Also occurs at Chapra, Bengal; a rf in the Indian 

 Museum from Balugaon, Puri District, Orissa, 21.-30. vii. 1913 

 (Annandale), and a 2 taken by me at Bareilly. 



41. Odontomyia lutatius, Walk. 



Stratiomys lutatius, Walker, List Dipt. Brit. Mus. iii, p. 532 (1849). 

 Odontomyia lutatius, Brunetti, Rec. Ind. Mus. i, p. 129 (1907). 



2 • Head distinctly broader than thorax ; eyes bare ; frons 

 rather more than one-third of head, sides parallel, upper half 

 black, moderately shining, with short golden pubescence : ocelli 



