28 DIPTERA 



Male. Hypopygium large^ subtumidj reddish-bay. Length, 

 8 lines; wing, 60 lines. 



Female. Abdomen from the apex to the sixth segment com- 

 pressed into a borer. Length, 85 lines ; Aving, 61 lines. 



New Zealand (Edwards). 



I. MELANOPOGON. Schifter, I.e., p. 190 (1868). 



Black. Thorax and scntcllnm dusted yellow, general marks 

 blackish; middle streak separated by a fine line, lateral streaks inter- 

 rupted ; scutellum Avith whitish hairs, the bristles black ; sides yellow 

 spotted with black. Abdomen blackish, the sides dusted yellow, and 

 with yellow bristles ; genitalia in the male black, thick, clavate. 

 Lower face yellow ; projecting mystax black ; antennse black ; hairs 

 black. Legs black; femora yellow-grey, the intermediate pair with a 

 black spot ; tibise, excej)t the points, rust-yellow ; the short hairs on 

 the thighs black and yellow. Wings intense brownish-yellow, the 

 apex and greater part of the posterior margin grey. 



Female. Incisions of the abdomen broader and more distinct ; 

 ovipositor black, drawn out. Halteres yellow. 



Length, 8—82 lines. 



Perhaps the same as Asilus varius. 



aenus-ASILUS. 

 Linnceus. 

 Upper lip obliquely truncated. First joint of the antennas rather 

 long ; the third long, subulate, compressed ; style setaceous, rather 

 long, two-jointed. Abdomen elongated, narrowed posteriorly. Genitalia 

 large in the male; the borer compressed and bivalve in the female. 

 Subcostal cell generally small, sometimes longer than the first ; fourth 

 posterior cell closed. 



A. vAiiius. Walker, I.e., p. 457 (181.9). 



Body dark brown. Head tawny, as broad as the thorax, clothed 

 behind and beneath with Avhite hairs, and above Avith black hairs, 

 beset Avith black bristles along the upper hind borders of the eyes ; 

 front clothed Avith golden doAvn; episiome th'ickhj beset with black 

 bristles ; eyes dark red, the fore-part flat, composed of larger facets 

 than is the other part ; lip black, shining, clothed at the tip with 

 short taAvny hairs ; palpi black, beset with black bristles. Antennae 

 black ; first and second joints thickly clothed with black hairs ; second 

 joint club-shaped, much shorter than the first ; third joint Avith a 

 piceous tinge, tapering from the base to the tip, rather longer than 

 the first and second joints ; fourth and following joints forming a 



