54 HYMENOPTERA. 



with a long beard of the same colour; the wings hyaline, 

 very slightly coloured, with a fuscous cloud at the apex of the 

 marginal cell ; the tibiae and tarsi ferruginous, the apical joints 

 of the latter fuscous. Abdomen shining and covered with shallow 

 punctures, the base and beneath with cinereous pubescence ; the 

 apical ventral segment rounded at the apex, and with a minute 

 tooth in the middle. 



Hab. Australia (Port Stephen). 



5. iELURUS senex. B.M. 



Male. Length 5 lines. — Black : the head and thorax strongly 

 punctured ; the abdomen shining, slightly and delicately punc- 

 tured ; the face covered with cinereous pubescence, the cheeks 

 with a long fringe of the same colour ; the cheeks have a short, 

 stout, acute tooth close to the base of the mandibles. The thorax 

 with long loose cinereous pubescence ; the mesothorax strongly 

 punctured ; the metathorax shining and finely punctured ; the 

 wings slightly coloured, with the nervures black. The abdomen 

 shining and delicately punctured, the base and apex of the 

 abdomen more strongly punctured; the basal segment with a 

 central deeply impressed line ; beneath and at the apex is a thin, 

 long, loose pubescence ; the apical ventral segment with a central 

 acute tooth and a short rounded one on each side, and a short 

 acute one outside. 



Hab. Australia. 



6. iELURUS AURIFRONS. B.M. 



Male. Length 1\ lines. — Black, with the legs, the apical 

 margin of the basal segment, and the second and third entirely 

 red ; the face and cheeks with a golden-yellow pubescence ; the 

 sides of the head fringed with long pale yellow hairs ; a short 

 blunt tooth on the cheeks, close to the base of the mandibles. 

 Thorax : the disk with golden-coloured pubescence ; the meta- 

 thorax, sides, and beneath with cinereous ; the coxse and tro- 

 chanters black; the wings flavo-hyaline, the nervures ferrugi- 

 nous, the costal nervure blackish. Abdomen smooth and shining ; 

 the second segment beneath, tuberculate in the middle of its 

 base ; the apical segment rounded, with an acute spine in the 

 middle. 

 Hab. W. Australia. 



7. ^Elurus vulpinus. B.M. 



Male. Length 7 lines. — Black : head and thorax very closely- 

 punctured and opake ; the abdomen shining and delicately punc- 



