Caste ratios of the termite Coptotermes.
Author of the article:ZHANG Xian-Kai
Author's Workplace：(Yidu Honghuatao Grains Storage & Purchase Company, Hubei 443302, China)
Key Words：Coptotermes; caste; number ratio; dry weight ratio
Abstract：Coptotermes nests were collected from Nov. to the next Mar. The caste ratios(number ratio and dry weight ratio) kept balanced in 1991～1998.The number ratio of the caste in Jan.and the dry weigth ratio of the caste in Nov.to the next Mar. were 81.7