ODYNERUS SPINIPES. 



A Colony of Odynerus spinii'ES, witli tlic tulies of open filagree 

 ■work, \vliore the wasjis are still working, and the closed mouths 

 of completed burrows. A section of some of the Imrrows shews 

 their arrangement and contents. 



a. A section of an uncompleted cell jiartially filled up with the larv£e 

 of Hylotoma. 



h. A closed cell, the larvae of Hylotoma, half-eaten by the grub of 

 0. spinipes. 



c. A cell containing a full-grown grub of 0. spimprs — del iris of 



Hylotoma only remains. 



d. A cocoon of 0. spinipcs opened, sliewing the contained giub 



awaiting its change to pupa. 



e. An empty cocoon of 0. spinipcs, the grub being removed. 



/. A cocoon of Clirysis ignita, or hidcntata — it does not fill the cocoon 

 of 0. spiinipcs in wliioli it is made. 



<7. Odyiurus spinipcs. Ji. Clirysis ignita. 



