NORTH AMERICAN BUPRESTID BEETLES 337 



EXPLANATION OF PLATES 



The drawings accompanying this paper were made under the author's super- 

 vision by Miss Eleanor T. Armstrong, of the Bureau of Entomology. The draw- 

 ings of the male genitalia were all made to the same scale. 



a=dorsal view of the male genitalia. 



6=ventral view of the male genitalia. 



Plate 1 



Fig. 1. Agrilus ferrisi Dury. 



2. Agrilus subtropicus Schaeffer. 



3. Agrilus champlaini Frost. 



4. Agrilus ruficollis (Fabricius). 

 5—Agrilus lateralis (Say). 



6. Agrilus obtusus Horn. 



7. Agrilus difficilis Gory. 



8. Agrilus ciipricollis Gory. 



9. Agrilus fuscipennis Gory. 



Plate 2 



Fig. 10. Agrilus angelicas Horn. 



11. Agrilus masculinus Horn. 



12. Agrilus paramasculmus Champlain and Knull. 



13. Agrilus arcuatus (Say). 



14. Agrilus crinicornis Horn. 



15. Agrilus defectus LeConte. 



16. Agrilus geminatus (Say). 



17. Agrilus otiosus Say. 



18. Agrilus atricornis Fisher. 



Plate 3 



Fig. 19. Agrilus transimpressus Fall. 



20. Agrilus frosti Knull. 



21. Agrilus juglandis Knull. 



22. Agrilus macer LeConte. 



23. Agrilus pulchellus Bland. 



24. Agrilus vittaticollds Randall. 



25. Agrilus benjamitvi Fisher. 



26. Agrilus audax Horn. 



27. Agrilus bilvneatus (Weber). 



