176 



AMERICAN HYMENOPTERA. 



Platk II. 



PIG. 



8. Wingsot O.diltneatus. Veins 

 and cells named accordinj? 

 to Cresson. 



Veins : 



a. anal. 



ap. appendix. 



b. basal, 

 c. costal, 

 cu. cubital. 



d. discoidal. 

 dc. discocubital. 

 fh. f renal hooks, 

 m. median. 



np. nervus parallelus (of Szepli- 

 geti). 

 pm. posterior margin. 



r. radial or marginal, 

 rl. basal half of radial or mar- 

 ginal. 

 r2. apical half of radial or mar- 

 ginal, 

 rel. first recurrent, 

 re 2. second recurrent. 



s. stigma, 

 sc. subcostal, 

 sd. subdiscoidal. 

 sm. submedian. 

 tc. transverse cubital, 

 tm 1. transverse median or nervu- 



lus. 

 tm 2. transverse median ornervel- 

 lus. 

 Cells : 



1. median or costal. 



2. submedian. 



3. anal. 



4. discoidal. 



5. second discoidal. 



6. third discoidal. 



7. radial or marginal. 



8. submarginal or cubital. 



9. second apical. 



10. first apical. 



11. first discoidal. 



12. second discoidal. 



IG. 



9. Anterior vping of T/iyreodon cyaneus. 



10. Posterior wing of Ereniotylus niacrurus. 

 n, abmormal vein. 



11. Front view of head of Ophion abnormis magniceps. 



12. Anterior wing of Enicospilus concolor. 



13. Anterior wing of Ereniotylus angulaius. 



[G. Plate III. 



14. Anterior wing of Enicospilus cubeiisis. 



15. Anterior wing of Ophion abnormis (with abnormal appendix). 



16. Anterior wing of Ereniotylus texanus. 



17. Wings of Ophiopterus ferrugineus . 



18. Metathorax (median segment) of Ophiopterus ferrugineus. 



19. Anterior wing of Enicospilus purgatus. 



20. Anterior wing of Ophion abnormis m.agniceps. 



21. Cocoon of Thyreodon morio. 

 1, exit opening. 



22. Anterior wing of Enicospilus thoracicus. 



23. Anterior wing of Etiicospilus purgatus arcuatus. 



24. Anterior wing of Enicospilus flavus. 



