134 Mr. T. D. xV. Cockerell — Descriptions and 



Scutellum and postscutellum dark 5. 



Scutellum and uiesothorax red, but post- 

 scutellum black ; sides of metatborax 

 red ; clypeus red ; narrow lateral face- 

 marks pale yellowish lateralis, Srrj., $ . 



2. PostscuteJluin cream-colour ; scutellum 



black, with hind margin narrowly 

 cream-colour ; head and nearly all of 

 mesothorax red ; no light face-marks. 



(Queensland.) torrida, Sm. 



Scutellum and postscutellum, so far as 

 coloured, deep chrome-yellow 3. 



3. Head and nearly all of mesothorax red ; 



no pale face-marks. (Swan R., "W. 



Australia.) rubricata, Sm. 



Face with bright yellow markings .... 4. 



4. Larger ; a black stripe down each side of 



clypeus ; red of abdomen obscure .... eleyans, Sm., $ . 



Smaller; face bright yellow right across, elegans, Sm., S {sydney- 

 6. Axillfe ferruginous; mesothorax dull [ana, Ckll.). 



reddish, with two broad suffused black 

 bands ; abdomen with only first seg- 

 ment and extreme base of second red ; 

 legs clear red ; face deep orange .... bicolorata, Sm. 



Mesothoiax red ; abdomen with first two 

 segments red ; clypeus red ; narrow 

 lateral marks pale yellowish proxima, Sm. 



Mesothorax black 6. 



6. lied of abdomen very obscure, but basal 



middle of first segment orange; clypeus 

 black, with lower margin broadly 

 ferruginous ; broad cuneiform creamy- 

 white lateral face-marks, having a 

 short linear process above along orbits. 



(Swan II.) attomaculata, Sm. 



Abdomen at least partly bright ferrugi- 

 nous 7. 



7. Apical halt' of abdomen dusky or black. . 8. 

 Abdomen entirely red 9. 



8. Larger ; metatborax rough, with no 



defined area ; clypeus black, with 

 lower margin dull red; lateral face- 

 marks creamy white, small and short, rvjipes, Sm. 

 Smaller ; area of metathorax well de- 

 fined ; clypeus white, with a black 

 mark on each side cunstricta, Ckll. 



9. No supraclypeal mark subplebeia, Ckll. 



Supraclypeal mark well developed coronata, Ckll. 



10. Metallic, green or blue, species (P. ru- 



tundiceps $ and others are faintly 



metallic on abdomen) 11. 



Black species, not metallic (abdomen • 

 obscurely metallic in P. rotundiceps £ , 

 P. metalUca, P. simillima tf , and P. 

 honesta) 32. 



11. Head and thorax black except for the 



