•170 Ml. T. D. A. Cockeiell — Descriptions and 



tliorax ^)Iack, closely and very finely punctured ; clypeus 

 (except a black baud down each side), sul)canei£orm lateral 

 marks (endiug abruptly above at level of antennae), and 

 large hat-shaped supraclypeai mark (notched above) pale 

 reddish yellow, the lower part of clypeus suffused with dull 

 red ; mandibles with a large pale yellow basal spot ; antennse 

 short, entirely clear ferruginous ; tubercles light reddish 

 yellow ; tegulse clear ferruginous. Wings hyaline, stigma 

 and uervures dull amber-colour ; second s.m. nearly square. 

 Legs (except coxse and trochanters) clear red, much of basal 

 half of hind tibiae very pale yellow. Abdomen broad and 

 short, dullish, with extremely fine punctures, clear ferru- 

 ginous without markings, except some black at extreme base 

 of first segment ; first segment beneath dark, with a broad 

 expanded hyaline margin. 



Hab. Yarrawin (Brewarrina), 191-i [Froggatt, 222 c). 



Distinct from all others by the black head and thorax, 

 with clear red abdomen. The clypeus is not depressed in 

 the middle as it is in E. albocuneata, Cldl., which is similar 

 in general form, but very different in markings. 



Eurycjlossa rliodochlora , sp. n. 



? . — Length about 9 mm. 



A species of the ruhricata group ; head dark bluish green, 

 the clj'peus, supraclypeai area, labrum, and mandibles 

 black ; clypeus shining, sparsely but distinctly punctured, 

 with a strong median longitudinal depression ; scape black ; 

 fiagellum dark brown above, light ferruginous beneath ; 

 raesothorax and scutellum shining, sparsely punctured ; 

 mesothorax red, blackened anteriorly, especially at sides; 

 scutellum and postscutellum black, rest of thorax dark blue- 

 green ; pleura dullish, metathorax shiuiug ; tubercles 

 densely fringed with white hair ; tegulae pale testaceous. 

 Wings clear, nervures and stigma dusky reddish ; second 

 s.m. much broader (longer) than high ; third discoidal cell 

 produced at end. Legs black, the knees reddish, the basi- 

 tarsi dark fuscous, the small tarsal joints dull ferruginous. 

 Abdomen with a sericeous surface, red, first segment dark 

 blue-green except narrow apical margin, second with a 

 transverse blue-green suffusion across disc, third more or 

 less metallic subapically and fourth at sides, fifth and apex 

 blue-green; venter dark, with more or less red at bases of 

 segments. 



Hab. Yarrawin (Brewarrina), 1914- [Frogyatt, 228 c). 



