Assertion: wood eating cockroach | /r/HasProperty | free of microorganism
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Source sentences:
text: In many species, these symbionts may be essential if the insect is to utilize cellulose; however, some species secrete cellulase in their saliva, and the wood-eating cockroach, Panesthia cribrata, is able to survive indefinitely on a diet of crystallized cellulose while being free of microorganisms.