BRIT.MUS. 



Hymenoptera Voi.l. Pic 



Edwin Wilson deletlith. 



Muaterii Brc 



1. Tricborhacbus ni&dus o* 



2. Trnchorh.ach'us nitidus o_ 



3. Tnchorhacn'u.s sdbnmis. 

 4" . Tricbor-hacbus h.yalimj.s . 



5 . Tricbornachils ab dominahi 



6. Scbbina bi color. 



7. Schizoceru-S nlumiger d* 



8. Schizocerus pluroiger o_ 



9. Gymnia in c on spi cua c? 



10. Gymnia mconspicua j 



11. Ptilia basrpunctata. 



12. Ptiha bicolor. 



13. Ptilia pumilio 



14. Ptilia soror. 



15. Hemid: 



aneura scapularis. 



16. Hemidianeura nigricornis. 



17. Gymnia mexicana. 



1 8 . Atnermanius mnpermlis . 



