GYMNOPTERNUS. 



Systematic arrangement of the Species. 



I. Coloring of the body non-metallic. 



1. flavus Lw. 



II. Coloring of the body metallic. 



A. Third joint of the antennae with an elongated point. 



2. subulatus Lw. 



B. Third joint of the antennae without an elongated point. 



A. Prevailing color of the feet black. 



3. scotias Lw. 5. tristis, n. sp. 



4. barbatulus Lw. 



/ Prevailing color of the 



6. exilis Lw. 



7. spectabilis Lw. 



8. albiceps Lw. 



9. subdilatatus Lw. 



10. lasvigatus Lw. 



11. frequens Lw. 



12. lunifer Lw. 



13. fimbriatus Lw. 



14. despicatus Lw. 



feet yellow. 



15. difficilis Lw. 



16. nigribarbus Lw. 



17. parvicornis Lw. 



18. opacus Lw. 



19. politus Lw. 



20. debilis Lw. 



21. crassicauda Lw. 



22. minutus Lw. 



23. ventralis Lw. 



