1MI2.J IS I 



arista thickened to about the iiiicldlc ; facialia ciliated about half way up ; palpi 

 black ; thorax shining black, with three glistening white stripes, the middle one 

 shortened, thus leaving two black bands ; post-sutural outer dorso-ceiitral setic three 

 in number ; abdomen shining black, with a narrow white continuous band on the 

 front margin of the second, third, and fourth segments, which have both discal and 

 marginal seta; ; wings with apical cross vein straight and curved at the base ; legs 

 black, with the fore tarsal joints dilated in the female. This well mai-ked species, 

 which varies a good deal in size, is rare ; I have only seen one British specimen, 

 which I captui'ed at Windoruiero in Juno, 1884. 



D. PULCIIELLA, Mgn. 

 minima, Mcq. ?. 



Sides of frontalia glistening black in the female ; eyes of male approximated ; 

 face glistening white ; antennie with third joint three to four times as long as the 

 second ; arista thickened nearly to the middle ; palpi black ; thorax shining black, 

 unstriped, with shoulders a little grey ; abdomen bright black, elongated and narrow 

 in the male, with slight white reflections on the sides, and a very slender pale grey 

 band round the front edges of the second, third, and fourth segments, which have 

 both discal and marginal setae ; wings and scales brown in the male ; the former 

 with the apical cross vein rather oblique, straight, and curved at the base ; legs black. 



D. minima, Mcq., is described as having the arista only thickened along its basal 

 third, instead of to about half its length, and also as being much smaller than D. 

 pulchella, otherwise they are very similar ; the question of size is of no impoi-tance, 

 it is so variable in many of the TachiniidcB, so I believe they are only varieties of 

 the same species. Rare ; both forms are in Mr. Dale's collection, and were captured 

 at Glanvilles Wootton. 



D. GBANDICOENIS, Zett. 



Frontalia wide in the female, middle stripe piceous, and wider than the sides ; 

 antenna) with third joint long and thick ; arista thickened to beyond the middle ; 

 palpi black ; thorax shining black, with white reflections in front, and marked by 

 four black stripes ; abdomen conical, black, and glabrous, with a narrow white band 

 round the front margin of the second, third, and fourth segments ; wings with the 

 fourth vein bent at an angle, outer cross vein sinuous, and fifth vein not quite 

 reaching the margin of the wing. This rare species is in the Rev. E. N. Bloomfield's 

 collection. Only the female is known, which closely resembles that of J), collaris, 

 but differs by having the fourth vein bent at an angle instead of a cm-ve, by the fl 891 

 outer cross vein being sinuous, and by the white fasciae on the abdomen being July, 1892. 

 narrower. 



D. PTGMiEA, Mcq. 



Frontalia narrow in the male ; central stripe piceous, and rather wider than 

 sides ; cheeks white, with dark reflections ; antennae with third joint between three 

 and four times longer than second ; arista with basal third thickened ; facialia 

 ciliated rather more than half way up ; palpi black ; thorax black, grey in front, 

 where it is marked with four sliort stripes, almost confluent ; post-sutural outer 

 dorso-central bristles three in number ; abdomen dull grey, with an undulating 



