EXPLANATION OF PLATE 



(Drawings by the author) 



Fig. 1. Argyra nigripes liOew. Hypopygiura of male. 



2. cylindrica Loew. Antenna. 



3. hirta, new species. Antenna of male. 



4. hirta, new species. Hypopygium. 



5. angustata, new species. Antenna of male. 



6. cylindrica Loew. Hypopygium. 



7. angustata, new species. Hypopygium. 



8. harbipes, new species. Hypopygium. 



9. scutellaris, new species. Hypopygium. 



10. scutellaris, new species. Antenna of male, 



11. nigriventris, new species. Hypopygium. 



12. femoralis, new species. Middle femur of male. 



13. nigricoxa, new species. Hypopygium. 



14. bimaculata, new species. Hypopygium. 



15. flavipes, new species. Antenna of male. 



16. thoracica, new species. Hypopygium. 



17. sericata,, new species. Hypopygium. 



18. flavipes, new species. Hypopygium. 



19. aldrichi Johnson. Hypopygium. 



20. setipes, new species. Hypopygium. 



21. splendida, new species. Hypopygium. 



22. setipes, new species. Antenna of male. 



23. californica, new species. Hypopygium. 



24. argcntiventris, new species. Hypopygium. 



25. flavicornis, new species. Antenna of male. 



26. flavicornis, new species, Hypopygium, 



27. flavicoxa, new species. Hypopygium. 



28. cinguJata Loew. Hypopygium. 



29. joJinsoni, new species. Hypopygium. 



30. inaequalis, new species. Hypopygium. 



31. involuta, new species. Hypopygium, 



32. spina, new species. Hypopygium. 



33. spina, new species. Hind tarsus of male. 



34. inaequalis, new species. Hind tarsus of male. 



* o 



