pillotina calotermitidis pillotina calotermitidis pillotina calotermitidis is a species of spirochete that is symbiotic in wood-eating cockroaches and termites, the type species of its genus. pillotina calotermitidis scientific classification domain: bacteria phylum: spirochaetota class: spirochaetia order: spirochaetales family: spirochaetaceae genus: pillotina species: p. calotermitidis binomial name pillotina calotermitidisbermudes et al. 1988