16 Indian Museum Notes. [Vol. III. 



eyes ; under-side of the head long, with a row of rather short bristles. 

 Antennse inserted above the median line of tlie eyes, rufous, with the 

 tip of the third, joint brown ; basal joints short ; third joint two and 

 a half times as long as the second, but reaching no lower than the 

 half of the face's length ; arista black, thickened and microscopically 

 pubescent at its proximal half. Proboscis black ; palpi rufous, cylindri- 

 cal, black-haired. Thorax and scutellum greyish-cinereous ; thoracic 

 dorsum indistinctly with several blackish stripes. Abdomen conical, 

 yellowish-cinereous, laterally slightly rufous; first segment shorter than 

 the following segments, which are nearly of equal length ; anal segment 

 and especially the anus with a yellow tinge ; hypopygium yellowish- 

 rufous, turned downwards to the venter; each of the segments with three 

 blackish-brown spots, the median ones larger* first and. second segments 

 without macrochsetae; third segment with a pair of short macrochEetse ; 

 anal segment with several diseal and marginal ones. Legs blackish ; 

 coxse and femora cinereous ; the femora broad ; foot-claws and pulvilli 

 slightly elongated, the claws black, the pulvilli yellowish. Tegulse white. 

 Wings greyish-hyaline, with a small costal spine; apical cell opened 

 before the wings' tip ; small cross-vein on the middle of the diseal cell ; 

 curvation of the fourth vein with an acute angle and a distinct append- 

 ice ; apical cross-vein very concave near its insertion in the fourth vein ; 

 posterior cross-vein straight. 



A single male specimen, sent to the Indian Museum at Calcutta as a 

 parasite of Acridium peregrinum, Oliv. Its origin from this Orthop- 

 terous insect, however, is somewhat doubtful, as it was not actually 

 bred in the Museum; but in view of the oeearrence of another Tachiuid 

 fly, living parasitically on locusts (see Indian Museum Notes, Volume 

 III, p. 83), it may be admitted that the above described species indeed . 

 attacks orthoptera. 



9. Calodexi'i lasiocampa, n. sp. (^). 

 PI. I, fig. 7. 



Thorax and scutellum grey, the thorax with black stripes ; head 

 whitish; abdomen yellow; autennse, legs, an interrupted dorsal band on 

 the abdomen, and the anal segment, black ; palpi rufous. 



Length 8 millim. 



Head semi-globular, when seen from before nearly as high as broad ; 

 front whitish-grey, arcuated, narrowed behind, on the vertex half as 

 broad as the eyes; frontal band black, forming a long triangle with the 

 tip towards the vertex ; frontal bristles in a row on each side of the frontal 

 baud, and descending to the base of the autennse; on the vertex two 



