EXPLANATION OF PLATE L 

 (Figures are all natural size.) 



1. Sargus viridis, Say, Stratiomyida:. 



2. Eurosta (Trypeta) solidaginis. Fitch, Tryf>ctidce. 



3. Odontomyia binotata, Loew, Stratiomyidce. 



4. Chrysophila thoracica, Fab., Leptida. 



5. Straussia (Trypeta) longipennis, Wied., Trypetida. 

 ■6. Pseudopyrellia (Lucilia) cornicina. Fab., Muscidce. 



7. Odontomyia cincta, Oliv., Stratiomyida:. 



8. Echinomyia (Jurinia) algens, Wied., Tachinidce. 



9. Eristalis tenax, Linne., Syrphidcc. 



10. Gastrophilus equi, Clark, Oestridce. 



11. Heliophilus latifrons, Loew, Syrphidcc. 



12. Calliphora vomitoria, Loew, Syrphidcc. 



13. Tabanus costajis, Wied., Tabanidcc. 



14. Spilomyia quadrifasciata. Say, Syrphidcc. 

 [5. Thereva frontalis. Say. Thercvidcr. 



16. Eristalis flavipes. Walk., Syrphidcc. 



17. Leptis mystacea, Macq., Lcptidcc. 



18. Chrysops hilaris, O. S.. Tabanidcc. 



19. Psilopodinus patibulatus. Say, Dolichopodidcc. 



