Heterotrophic bacteria, nitrogen-fixing bacteria, methanogens and cellulolytic bacteria in gut of termite Coptotermes formosanus Shiraki were enumerated, isolated and identified. Furthermore, the physiological and biochemical characteristics of the strains isolated and the biological characteristics of the termite, including the N-fixing activity, methanogenic activity and cellulolytic activity were studied. The results are reported as follows:
1. Enumeration by plate-counting and...