The swarm period of perimary reproductives in Crytoptotermes domestica was longer than that in other species and occurred yearly from the middle of April to the last of August in Guangzhou based on the three years observation.The first day of the swarm period was 15th April and the last day of that was 16th September.The swarm period was about 50~80 days and the peak occurred from May to July.The swarm time was generally at 18:30~ 19:30, the peak was at 19:00~ 19:30, in which the number of perimar...