Summary
Strict anaerobic conditions and the production of methane have been demonstrated in the proctodeum in larvae ofOryctes nasicornis L., a xylophagous coleopteran. In ruminants, the breakdown of cellulose by extracellular symbiotic organisms is complete and leads to the formation of by-products which may act as substrates for methanogenic bacteria.
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Bayon, C., Etiévant, P. Methanic fermentation in the digestive tract of a xylophagous insect:Oryctes nasicornis L. larva (Coleoptera; Scarabaeidae). Experientia 36, 154–155 (1980). https://doi.org/10.1007/BF01953702
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DOI: https://doi.org/10.1007/BF01953702