What acid do termites have in the stomach?

Termites have a symbiotic relationship with microorganisms in their guts that help them digest cellulose from wood. These microorganisms produce various acids, including acetic acid, during the digestion process. While termites themselves do not have a specific acid in their stomachs, the breakdown of cellulose by these microorganisms results in the production of volatile fatty acids that aid in their nutrient absorption.