Records of Dees. li>5 



light markings ; metallic colour of 



abdomen obscure in some 12. 



Head and thorax metallic 21. 



Head red; thorax black; clypeus red; 



broad lateral marks chrome-yellow 



fallied to purpurata, and, like it, 



having not only the tubercles yellow, 



but also a spot just behind them on 



the pleura ; both are from Adelaide, 



and may be sexes of one species) .... ru/iceps, Sin. 



12. Seutellum and postscutellum black; size 



large 13. 



Seutellum and postscutellum at least 

 largely bright yellow or orange 14. 



13. Clypeus bright yellow, bordered with 



black at sides alcyonea, Erichs., $ 



Clypeus black, with a median yellow [(vidua, Sin.). 



band alcyonea, Erichs., 5 • 



(Here also runs liogonia, Vachal, but it is smaller, only 7 mm. long.) 



14. Clypeus yellow (in this section comes 



P. vicina, Sichel, which is, however, 

 almost certainly based on a mixture of 

 species : the name should be restricted 

 to the New-Zealand specimens) .... 15. 

 Clypeus black ; broad lateral face-marks 

 present 18. 



15. No supraclypeal mark ; abdomen strongly 



punctured, its metallic colour very ob- 



.scure metallica, Srn. 



(P. lubbocki, Ckll., which was described by Smith as the mile of 

 metallica, is shining nigro-asneous, with clypeus, supraclypeal 

 mark, lateral mark", and scape in front cream-colour.) 



Supraclypeal mark present 16. 



16. Scape yellow beneath ; insect much 



smaller than metallica purpurata, Sm. 



Scape all black ; males 17. 



17. First r. n. entering second s.m. ; supra- 



clypeal mark rounded above violacea, Sm. 



First r. n. joining first t.-c. ; supraclypeal 



mark broadly truncate above cognata, Sm. 



18. Large, length nbout 12 mm., aspect of 



alcyonea ; abdomen dark greenish. . . . perplexa, Sm. [confuia, 

 Much smaller; no yellow spot behind [(Sm.). 



tubercles 19. 



19. Lateral face-marks bow -shaped ; clypeus 



sparsely punctured ; mesothorax finely 

 punctured ; two species very much 



alike 20. 



Lateral face-marks cuneate, deep orange; 

 clypeus with dense punctiferous 

 grooves ; mesothorax with very large 

 coarse dense punctures. (Kuranda.). amata, Ckll. 



20. Larger; clypeus with a slight median 



raised line ; face-marks pale red, but 

 evidently originally yellow ; first r. n. 

 entering second s.m. (Swan K.) .... violacea, Sm , 2- 



10* 



