Could you help me with the identification of this ‘cyst’ from cockroach excrements?

When preparing entomology labs for undergraduates, I studied cockroach hindgut endosymbionts extracted from excrements of Gromphadorhina portentosa. I found these very firm ‘cysts’ of ca. 0.5-1 mm...

17 December 2015 7,273 5 View