Dolichopodidae. 155 



coppery at the sides, with two not very distinct stripes in front; 

 about the humeri it is greyish ; it is slightly brownish pruinose, not 

 nmeh shining, most towards the end. Scutellum somewhat coppery, 

 with a brown stripe in the middle. Pleura æneous, grey pruinose ; 



Fig. 46. Antenna of T. ammobates d, from the inside. X 55. 



propieura with dark hairs and a black prothoracic bristle. Abdonien 

 æneous or coppery, sometimes a little greenish, greyish white prui- 

 nose, especially on the front part of the segments; with the hght 

 from behind it is pruinose with an æneous middle stripe and a 

 spot in the middle at the side of each segment; it is clothed with 

 short, black hairs, and has somewhat long hindmarginal bristles. Ion- 

 gest on the first segment. Venter greyish, slightly hairy. Hypopygium 

 black, greyish pruinose", longitudinally striated on the sides behind; 

 the eighth segment has black hairs; the posterior ventral lobes are 

 of a curious shape, they have a thin, short stalk, the end is somewhat 

 spoon-shaped, with a convex upper margin and a slightly concave 

 lower margin; at the end there are two small points, each Avith a 

 hair; on the right side there is also a median ventral lobe with 

 some points, and this part of the hypopygium is thus somewhat 

 unsymmetrical; the inner lamellæ somewhat long, the median have 

 a double curve and are a little dilated at the end, with hairs 

 at the lower margin ; the lateral are a little dilated in the middle 

 and towards the end. The outer lamellæ are long, triangular, with 

 the apex rounded; they are black or brownish, with long hairs 

 at the ventral and apical margin, shorter at the dorsal margin. 

 The sheath of the penis is quite short. Legs somewhat long and 

 thin, middle femora with a slight prominence below about in the 

 middle; front metatarsus as long as the four folio wing joints, hind 

 metatarsus about one third shorter than the second joint; coxæ 

 grey, femora yellow, front femora with a little more than the basal 

 half, middle femora with the base grey, hind femora grey with only 

 the apical part yellow; all tibiæ blackish at the apex, the hind tibiæ 

 most distinctly; front tarsi with the four last joints compressed and 

 a little dilated, feathery haired at the upper margin; the apex of 



