70 DIPTERA 



Sxjb-Ordeu— PUPIPAUA. 



Viviparous ; larva and pupa developed in tlie abdomen of the 

 mother. Head retracted. Antennae in the cavity of the head. 

 Parasitic. 



Family — Hippoboscid^. 



Spider-like, horny, flat-bodied, with large eyes ; wings developed ; 

 poisers free, small. 



Genus-O.RNITHOMYIA. 



Latreille. 



Head situated in a notch in the thorax; antennae elongated 

 beyond the palpi; palpi cylindrico-conical, hairy. Antennae in the 

 form of hairy valves. Claws of the tarsi tridentate. Wings obtuse, 

 the mediastinal vein double ; basal cells nearly equal in length ; one 

 distinct anal cell. Living on birds. 



O. opposiTA. Walker, I.e., p. 1145 (1849). 



Body tawny, smooth, shining, thinly beset with black bristles ; 

 antennae and palpi dark brown; eyes and ocelli pitchy; facets of the 

 eyes rather large, especially next the crown : a short spine projecting 

 on each side of the fore-border of the thorax, which has one longi- 

 tudinal and two cross furrows; one of the latter disappears in the 

 disc. Abdomen dull, thickly clothed with black hairs. Legs pale 

 tawny, tinged with green, beset with a few bristles ; claws black, 

 pulvilli whitish. Wings pale brown ; veins pitchy-black. 



Length, 2 lines. 

 • New Zealand (Earl). 



