Marshall. — On New Zealand Diptera. 241 



branches of third longitudinal vein indistinct ; costal and 

 second longitudinal veins red ; transverse vein short, joining 

 first longitudinal three times its own length from end of first 

 longitudinal. 



Lincoln, November. 



Epidosis ordinaria, u. sp. Male. Antennae, 0046 ; body, 

 0049 X 0-008 ; wings, 0-109 x 0-036. Antennae 2+11 joints; 

 joints of scapus nearly white ; lowest joints of flagellum 

 nearly cylindrical, shortly pedicelled ; pedicels of middle 

 joints longer, and joints shorter and oval ; terminal joints 

 small and oval ; verticils few but long. Palpi moderately 

 long, testaceous. Thorax dark-brown, becoming lighter pos- 

 teriorly, with a few scattered black hairs. Scutellum opaque, 

 white, with one or two black hairs, sometimes bordered with 

 red. Hal teres fuscous, pedicel densely covered with short 

 black hairs ; club moderate, covered with short black hairs. 

 Abdomen pink, with scattered grey hairs. Legs long and 

 slender, clothed with black hairs. Wings pellucid, densely 

 covered with brown hairs, which are especially long in the 

 fringe on the inner margin. Veins testaceous to red ; second 

 longitudinal slightly arcuated before junction with transverse 

 veins, afterwards broadly arcuated, and ending slightly be- 

 yond apex of the wing ; transverse vein short, about a quarter 

 length of first longitudinal from rising-point of transverse to 

 costa. 



Most noticeable points : Colour of the scutellum and 

 halteres, and veins of the wing. Common, October to March. 

 Lincoln. 



Ep)idosis aurea, n. sp. (Plate VI., fig. 3.) Antennae broken ; 

 wings, 0-110 X 0-048 ; body, 0051 x 0-024. Antenna unfortu- 

 nately broken in my single specimen ; joints of scapus red in 

 colour, with a few black hairs ; flagellar joints all oval, with 

 pedicels about half as long as themselves ; joints cinereous in 

 colour, with few but long verticils of a black colour. Palpi tes- 

 taceous. There are eight flagellar joints remaining on one an- 

 tenna, all of which are similar in size and shape. Anterior 

 portion sides and posterior portion of the thorax orange-yellow 

 in colour, a central dark-brown mark extending from the coUare 

 to a little anterior to the point of insertion of the wings, its 

 length being about three times its breadth ; on each side one 

 black mark about the same size as the central brown mark, 

 but situated more posteriorly ; between the central and lateral 

 marks orange-yellow stripes with a few golden hairs. Scutel- 

 lum golden-yellow, with a few golden hairs. Halteres light- 

 orange ; pedicels long, and, like the club, clothed sparingly 

 with black hairs. Abdomen dark-red, with a few grey hairs 

 scattered over the segments. Legs long and slender, fuscous, 

 16 



