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Maternal determination of soldier proportion and paternal determination of soldier sex ratio in hybrid Reticulitermes

PloS one, 2023-11, Vol.18 (11), p.e0293096 [Peer Reviewed Journal]

COPYRIGHT 2023 Public Library of Science ;ISSN: 1932-6203 ;EISSN: 1932-6203 ;DOI: 10.1371/journal.pone.0293096

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  • Title:
    Maternal determination of soldier proportion and paternal determination of soldier sex ratio in hybrid Reticulitermes
  • Author: Wu, Yao ; Chen, Jiaming ; Takata, Mamoru ; Matsuura, Kenji
  • Subjects: Analysis ; Insect societies ; Military personnel ; Parent and child ; Termites
  • Is Part Of: PloS one, 2023-11, Vol.18 (11), p.e0293096
  • Description: Altruistic caste, including worker and soldier (derived from worker), plays a critical role in the ecological success of social insects. The proportion of soldiers, soldier sex ratios, and the number of workers vary significantly between species, and also within species, depending on colony developmental stage and environmental factors. However, it is unknown whether there are sex-linked effects from parents on controlling the caste fate or not. Here, we compared soldier sex ratios, soldier proportions, and population size among a four mating types of Reticulitermes amamianus (Ra) and R. speratus (Rs) (male x female, mRa x fRa, mRa x fRs, mRs x fRa, mRs x fRs) and demonstrate that the soldier sex ratio and worker population size of hybrid colonies skew to colonies of king's species, while the soldier proportion skew to queen's species. The survival rate of offspring resulting from interspecies hybridization was significantly higher for mRa x fRs than for mRs x fRa. The results of this study demonstrate the asymmetric influence of kings and queens on caste determination and colony growth, which can contribute to our better understanding of parental influence on the colony dynamics of social insects.
  • Publisher: Public Library of Science
  • Language: English
  • Identifier: ISSN: 1932-6203
    EISSN: 1932-6203
    DOI: 10.1371/journal.pone.0293096
  • Source: DOAJ Directory of Open Access Journals
    GFMER Free Medical Journals
    PubMed Central
    Public Library of Science (PLoS)
    ProQuest Central
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