34< DIPTERA 



Division A. 

 Abdomen narrow, with seven distinct segments. 



Genus-DIPHYSA. 

 Macquart. 

 Palpi very sliort; antennae ten-jointed, longer than the head, 

 flagellum sub-linear, style none. Scutellum with four spines. 



D. APicALis. Walker, I.e., j). 1151 (1849) . Voy. " Ereh:' and " Terror,'' 

 bisects, pi. 7,/. 17. 



Head black, hoary in front ; eyes pitchy-black ; facets of the fore- 

 part rather larger than those elsewhere; palpi and sucker tawny; 

 second joint of the palpi spindle-shaped, not broader than the first ; 

 antennae black, filiform, dark red towards the base, nearly as long as 

 the thorax. Thorax and breast dark purple. Thorax with golden 

 down which forms three stripes. Scutellum tawny, armed with four 

 teeth. Abdomen tawny, a little narroAver than the chest and nearly 

 twice its length, slightly decreasing in breadth from the base to the 

 tip, which is purple. Legs tawny ; hind legs long, their thighs club- 

 shaped, fore feet pitchy. Wings colourless on the disc, tawny along 

 the fore border, grey along the hind border and the tip ; adorned with 

 a blackish band, which does not reach the hind border ; wing-ribs and 

 veins tawny, veins pitchy on the blackish band. Poisers pale yellow. 



Length, ?>\ lines. 



New Zealand (Sir J. Hooker). 



aeniTS-ACTINA. 

 Meigen. 

 Palpi long. Antennae sub-fusiform ; style none ; flagellum sub- 

 conical. Scutellum armed with spines. 



A. suBSTiTUTA. Walker, I.e., Supp., p. 12 {Beris), (1854.). 



Dull green, or aeneous-green. Antennae black. Paljji testaceous. 

 Scutellum with four tawny spines. Al)domen purplish-cupreous. 

 Legs tawny ; femora and tibiae with brown bands. Wings greyish ; 

 stigma and veins black. 



Length, 2 lines. 



Auckland (Colonel Bolton). 



This species has three externo-medial veins, and the first branch of 

 the cubital vein is very short, proceeds almost directly to the border, 

 and thus forms an unusually large angle with the second branch. In 



