%A LIU Yuan-Zhi1, PENG Xin-Fu2, TANG Guo-Qing1, PENG Xiao-Tao2 %T Development and differentiation of various castes in the immature stage of Reticulitermes chinensis %0 Journal Article %D 2002 %J Acta Entomologica Sinica %R %P 487-493 %V 45 %N 4 %U {http://www.insect.org.cn/CN/abstract/article_3385.shtml} %8 2002-08-20 %X The pseudo-worker and pseudo-nymph were recognized during the development and differentiation of the immature stage of Reticulitermes chinensis.The workers of 6th and 7th instars turned into the pseudo-workers,while the nymphs of the 4th and 5th instars turned into the pseudo-nymphs.Microscopic measurement showed that after hatching the main development stages consisted of a larval stage of two instars, a worker stage of more than six instars, a nymphal stage of four instars and an imago stage.The workers of 3rd-7th instars turned into the soldiers,the nymphs of the 6th instar turned into the scale and long-wingbud replacement reproductives, the nymphs of the 4th and 5th instars turned into the shortwingbud replacement reproductives,the workers of 4th-6th instars, pseudoworker and pseudo-nymph turned into the miniwingbud replacement reproductives and the workers of the 3rd-7th instars turned into the no-wingbud replacement reproductives. Based on these observations, a differentiation scheme of the various castes in Reticulitermes chinensis is proposed.