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Scientia Silvae Sinicae ›› 2014, Vol. 50 ›› Issue (9): 152-160.doi: 10.11707/j.1001-7488.20140921

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Chemical Communication in Reproduction of Termites

Ji Baozhong1, Liu Shuwen2, Cao Dandan1, Ji Shilin1, Liu Jiajia1, Wang Liping1   

  1. 1. Nanjing Forestry University Southern Modern Forestry Collaborative Innovation Center College of Forestry, Nanjing Forestry University Nanjing 210037;
    2. Administration Bureau of Dr. Sun Yat-sen's Mausoleum Nanjing 210014
  • Received:2013-07-21 Revised:2014-04-21 Online:2014-09-25 Published:2014-09-30

Abstract:

The reproductive modes of termites include sexual reproduction and thelytokous parthenogenesis. The sexual reproduction undergoes an alternation between outbreeding and inbreeding and consists of three stages, namely pairing, tandem and mating. The corresponding semiochemicals are the sex-pairing pheromone, the sex-tandem pheromone and the sex-mating pheromone, respectively. The sex-pairing pheromone in reproductives can be secreted from the sternal gland, the tergal gland and the posterior sternal gland. Up to now, sex-pairing pheromones have 27 species of termites. The chemical compositions of sex-pairing pheromones in termites are mainly unsaturated alcohols and aldehydes,and some of them possess species-specific minor components. The sex-tandem pheromone and the sex-mating pheromone need to be confirmed further. The cuticular hydrocarbons and the egg-specific proteinaceous compounds are also called recognition pheromones that are used as intra and interspecific signals, and the recognition pheromones may indicate the reproductive status inside the termite colony and affect the partner choice. The queen pheromones have been studied in Reticulitermes speratus and Nasutitermes takasagoensis, and regulate gonad development in immatures.

Key words: termites, sex-pairing pheromone, sex-tandem pheromone, sex-mating pheromone, queen pheromone, cuticular hydrocarbon

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