77 



colour, mouth-parts, and area around the bases of the antennee 

 pale-yellowish ; antennae pale, basal joints darker. Pronotum 

 convex in front, much arched, very narrowly pale-bordered, 

 lateral margin incurved, very narrowly bordered with black 

 exteriorly, disk subtriangularly dark, with a broad semilunar 

 impression in front, and a subtrigonal pit on each side behind : 

 also some smaller lateral impressions ; hindmargin rather convex. 

 Abdomen with lateral margins narrowly and uninterruptedly 

 pale, the yellow^ spots of the hindmargins of segments forming 

 seven interrupted longitudinal bands; hind angles of penultimate 

 segments considerably produced, acute. Underside wholly pale- 

 yellowish; tibiae with a metallic-green, femora with a brown stripe. 

 Supra-anal lamina of male large, slightly truncate, margin 

 serrated, concolorous. Cerci lanceolate, pale yellow. Styles 

 slender, rather long, acute. 



Male. Female ( Walker). 

 Length of body ... ... 30 mm. 31 mm. 



Length of pronotum ... 10 " — 



Width of pronotum... ... 20 " — 



Habitat. — Northern Territory, S.A. (J. P. Tejiper, 1873, in 

 S.A. Museum) ; N. Australia ( Walker). 



This handsome and promiscuously coloured species is here re- 

 described from a male specimen, and agrees fairly well with the 

 description of the female by "Walker, who omits (however) many 

 essential characters, which envelopes many of his species in 

 doubt. 



PoLYZOSTERiA FEMORALis, Walker (Brit. Mus. Cat., 156). 



" Blackish aeneous, nearly elliptical, dull. Head metallic 

 green, punctured, sockets of antennas and foremargin tawny. 

 Palpi testaceous. Antennae reddish, base piceous. Pronotum 

 nearly semicircular, deeply reflexed laterally and in front, hooded, 

 disk longitudinally rugulose, lateral margin punctured, hind- 

 margin slightly convex, tuberculate. Meso- and meta-notum 

 similar. Abdomen tuberculate, ventrally metallic green, disk 

 piceous, coxae metallic green, margins testaceous; femora piceous; 

 tibiae and tarsi pale testaceous. Supra-anal lamina entire, 

 slightly keeled. Cerci short, testaceous. Styles red. 



Length of body (male and female) ... 25-27 mm. 



Habitat. — West Australia." 



PoLYZOSTERiA FiGURATA, Walker (ibid, 157). 



" Ovate, greenish black, dull, densely dotted. Angles of 

 thoracic segments acutely produced. Pronotum rugulose, fore 

 and lateral margins testaceous, much reflected ; hindmargin 

 tuberculate. Legs pale testaceous, femora black. Abdomen 



