EXPLANATION OF PLATE 89. 

 Hymenopterous and Dipterous Parasites of North American Butterflies. 



Lithography by B. Meisel. Figs. 1-3, and 12 were drawu liy Jaiues H. Eiuertoii; figs. 4-9 by George Marx; figs. 

 10, 14, and 16-26 by S. W. Williston; and figs. 11, 13 and 15 by Edward Burgess. All the figures are enlarged; the 

 enlargement of figs. 1-9 is ludicated bvthe lines at the side of the figure. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 



Pteromalus ptiparum $. 15. 



Pteromalus puparum ?. 16. 



Pteromalus vanessae. 17. 



Encyrtus montinus. 18. 



Copidosoma tio-ni. 19. 



Tctrastichus theclae. 20. 



Dcrostenus antiopae. 21. 



Trichrigramma intermedium. head. 



Tdenomus graptae. 22. 



Exorista futiUs ?. Side view of head. 23. 



Exorista hlanda $. Side view of head. 24. 



Phorocera edioardsii ? . 25. 



Exorista hirsuta ?. Side view of head. 26. 



Exorista hirsuta $ ■ Side view of head. head. 



E.forista hirsuta $ . "Wing. 



Phora sp. Wing. 



Exorista theclarum $. Side view of head. 



Mascicera achippivora. Side view of head. 



Exorista theclarum: Wing. 



Exorista scudderi $ . Side view of head. 



Acrorjlossa hesperidarum ? . Side view of 



Mascicera rileyi $ . Side view of head. 

 Mascicera frenchii $. Tarsus. 

 Mascicera rileyi $ . Tarsus. 

 Phorocera edvmrdsii $. Side view of head. 

 Acroglossa hesperidarum $. Side view of 



