130 [June, 



8. Protliorax distinctly longer than mesonotiim. Upper basal nervure in superior 



wing hardly incurved Genus Hedycheum — 12. 



Prothorax not longer than mesonotum. Upper basal nervure bent sharply in- 

 wards, forming a distinct angle — 9. 



9. Radial cell open at apex. Claws of tarsi with several teeth along the lower edge, 



a large one close to apex HoLOPYGA gloriosa, F. 



Radial cell closed at apex. Claws of tarsi with one small tooth only on lower 

 edge, at some distance from the apex Genus Hedychriuium — -10. 



10. Abdomen pale rosy-testaceous, like pink coral, not metallic, hardly shining ; 



thorax wholly green or blue roseum, Rossi. 



Abdomen very brilliant, metallic, colour deep; thorax not wholly green or 

 blue — 10. 



11. Thorax somewhat smooth ; its puncturation remote ; abdomen with long 



scattered hairs at apex integrum, Dhb. 



Thorax closely punctured, abdomen merely pubescent at apex. 



(a) Thorax coriaceous, dull; post-scutellum deep blue coriaceum,'D]\h. 



(Jj) Thorax coarsely and unevenly punctured, brilliant ; post-scutellum brassy... 



minutum, Lep. 



12. No part of thorax fiery-red or golden nolile, (J, Scop. 



Pro- and mesothorax fiery-red or golden nohile, ? , Scop. 



13. Whole insect dark blue or green ; apex of abdomen distinctly but very obtusely 



tridentate cyanea. 



At least one abdominal segment wholly, and another partly, red or golden above ; 

 apex not tridentate — 14. 



14. Thorax with, at least, some definite dorsal space entirely golden or fiery-red — 15. 

 Thorax with, at most golden touches here and there, general effect dark blue or 



green — 17. 



15. Scutellum and prothorax fiery-red ; apical segment of abdomen blue, or blue 



and green — 16. 

 Scutellum blue ; prothorax only touched with gold at apex ; last segment of 

 abdomen red, with a black or greenish apical margin ; apex distinctly but 

 obtusely quadridentate stcccincta, L. 



16. Large, finely and evenly punctured ; prothorax and second abdominal segment 



long ; pubescence very short ; apex of abdomen very indistinctly angled 



at sides, almost rounded viridula, var. ornata. Smith. 



Smaller, much more coarsely and irregularly punctured ; prothorax and second 

 abdominal segment shorter ; pubesceiice long and conspicuous ; apex of 

 abdomen distinctly but obtusely quadridentate viridula, L. 



17. Basal segment of abdomen deep blue in both sexes, a large patch of the same 



colour extending over the second segment in the (? , abdomen strongly 



quadridentate .fulgida, L. 



Whole abdomen (above) fiery-red or golden — 18. 



18. Apex of abdomen distinctly and often sharply quadridentate — 21. 

 Apex of abdomen rounded, without teeth — 19. 



19. Pubescence very short and inconspicuous ; second abdominal segment with ex- 



tremely close, fine and uniform punctures ; cheeks between eye and 

 naandible short neglecta. Shuck. 



