296 Mr. F. Smith on 



with the margins of the segments depressed^ and having 

 bright silvery fasciae ; beneath, the extreme base of the 

 abdomen is black. 



Hah. — Australia (Champion Bay) . 



In the British Museum, 



31. Pison festivus , n. sp. 



Female. Length 5| lines. Black, the wings fusco- 

 hyaline, the apical segments of the abdomen with bright 

 golden fascige. 



Head : the face with a thin silvery pubescence below 

 the insertion of the antennae, a thin hoary pubescence on 

 the cheeks and vertex. Thorax : the mesothorax shining, 

 and, as well as the scutellum, strongly punctured; the 

 metathorax obliquely rugulos« above, on each side of a 

 central impressed line; behind it is strongly punctured ; 

 the sides and beneath with a thin hoary pubescence; 

 wings fusco-hyaline. Abdomen shining; the first seg- 

 ment rather strongly punctured, and its apical margin 

 with a little silvery pubescence laterally ; the following 

 segments are very finely and very closely punctured, 

 their apical margins with bright golden fasciae; beneath 

 shining and impunctate. 



JTah. — Australia (Champion Bay) . 



In the British Museum. 



32. Pison tuherculafus, n. sp. 



Male. Length 3 lines. Head and thorax opaque 

 black, the abdomen shining. 



Head : the face below the insertion of the antennae 

 with silvery pubescence, the anterior margin of the cly- 

 peus produced into a central acute tooth. Thorax : a 

 thin silvery pubescence on the sides and beneath; the 

 metathorax rounded, obliquely rugulose above, and trans- 

 versely, more coarsely so behind; wings fusco-hyaline, 

 darkest at their apical margins. Abdomen smooth and 

 shining, the apical margins of the segments depressed ; 

 the silveiy fasciae probably obliterated; beneath, the 

 second, third, and fourth segments have two minute 

 tubercles in the middle near their apical margins ; those 

 on the third segment are most prominent. 



Hcob. — New Zealand. 



In the British Museum. 



