Fig. 12. Anal appendages of Lestes, Agrion, Argia, and Amphtagrion; 

 pterostigma of Agrion. i. Lestes congener, dorsal view of anal appendages. 

 2. L. congener, lateral view. 3 and 4- Agrion maculatmn. 5- A. aequabile. 

 6. A. maculatmn, pterostigma of front wing of female. 7- Same of A. 

 aequabile. 8. Lestes eurinus, anal appendages from above 9. L tnaequalis. 

 10 and II. L. rectangularis. 12 and 13. L. vigilax. 14 and 15- Amphtagrion 

 saucium. 16 and 17. Argia violacea. 18 and 19. A. translata. 20. ^. 



