BY ARTIILR AVIIITE. 97 



Femora and tibiae extensively bright orange. 



Claripes, .S'/?. iiov. 

 4. Scutellar bristles yellow ; bristles of the legs 



mostly yellow. Mistipes, Macq. 



Scutellar bristles black. 5 



5 Antennae with first joint red ; abdomen brown, 

 with the segmentations only indistinctly paler. 



Brunneus, White. 

 Antennae entirely black ; abdomen with the seg- 

 mentations distinct. 6 

 •6. Abdomen dark red-brown or blackish, but always 

 with a red-brown tinge in places, the segmen- 

 tations whit^, the white colouration being con- 

 fined to the hindmargins of spgmetits; femora 

 . with the lower surface orange-brown, the line 

 of demarcation between this and the black 

 upper surface not very distinct. 



• RUSTICANUS, Sp. nnv. 



Abdomen black, without anv red brown-tinge, 

 the pale segmentations not confined to the 

 hindmargins cf segments, but extended for- 

 wards on either side; femora with the lower 

 surface pale yellow, the line of demarcation 

 between this and the deep black upper sur- 

 face very distinct. Lautcs, Sp. nnv. 



Rhabdotoitamus volaticus, Sp. nnv. 



Face pale yellow; moustache white; thorax light 

 brownish grey, with a broad black centre-stripe and simi- 

 lar! v-coloured interrupted side-stripes ; posterior thoracic 

 biistlos white, or largely so; abdomen black, with more or 

 less vellowish tomentum, and slender white lateral bristles, 

 femora black, with base of middle pair, and basal third of 

 posterior pair, yellow; tibiae light yellow-brown, with apex 

 and tarsi black ; wings hyaline or tinged with grev to- 

 wards the tips. 



Leiif/tJi. Male and female, 11.5 mm. 



Hnh. Milson Is., N.S.W. 



Male. Face pale yellow ; moustache scanty, entirely 

 white. Antennae black, the first joint twice the length of 

 the second, the third about as long as the first two to- 

 gether, and terminated by a slender style which is about 

 equal to it in length. Front light grey-bi'own, the ocel- 

 lar tubercle black. Thorax light brownish-grey, the 

 shoulders whitish, with a broad black median stripe, and 

 an interrupted bTaek stripe on either side; bristles on an- 

 terior half extremely short, black, on posterior half long. 



