EMPIDIDAE AND PIPUNCULIDAE. 



185 



6. Pipunculus limitarls, sp. n. (Text-figs. 3a and 4). 



Frons and face dusted silvery-grey, former short and narrow, latter very 

 little narrower below antennae, and gradually narrowing below until it is about 

 half width of front of frons (text-fig. 3a). Occiput dusted greyish, less so 

 above. Eye-facets not enlarged in front. Antennae yellow, third joint pale 

 yellow, short and small, with bluntly pointed tip. 



Text-fig. 3. — Pipunculus limitaris, sp. n., ^ (a) ; P. vitiensis Muir, (J (b), $ (c). Heads viewed 



from in front. 



Thorax shining black, but slightly obscured all over with brownish dust ; 

 a vertical band on middle of pleurae has a tendency to yellowish-brown ; tiny 

 hairs on dorsum apparently confined to dorsocentral rows, with some slightly 

 longer ones at sides of disc and round scutellar margin. 



Abdomen almost parallel-sided (slightly wider towards end), translucently 

 dirty yellowish on first three or four segments, but everywhere, including long 

 fifth segment and large hypopygium, covered like thorax with a thin layer of 

 brownish dust. Two or three yellowish-brown bristles on each basal angle of 



