The first report of matriphagy in <I>Stegodyphus pacificus</I> Pocock 1900

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  • Tripathi Rishikesh
    Department of Animal Ecology and Conservation Biology, Wildlife Institute of India
  • Kumar Jangid Ashish
    Department of Animal Ecology and Conservation Biology, Wildlife Institute of India
  • Siliwal Manju
    Department of Animal Ecology and Conservation Biology, Wildlife Institute of India
  • Dutta Sutirtha
    Department of Animal Ecology and Conservation Biology, Wildlife Institute of India

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  • The first report of matriphagy in Stegodyphus pacificus Pocock 1900

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Here we report and describe matriphagy (maternal self-sacrifice) phenomenon in Stegodyphus pacificus Pocock 1900, observed in Thar Desert of Rajasthan, India. All 57 nests observed during the study exhibited matriphagy. Typically, a female laid a cluster of about 100 eggs and spiderlings hatched nearly 33 days after the egg-laying. Around 17 days after hatching, spiderlings started feeding on their mother. Spiderlings dispersed from the nest after the death of the mother, roughly 84 days since egg-laying. While matriphagy has been known in some spider species, this phenomenon has not been reported or described in S. pacificus.

Journal

  • Acta Arachnologica

    Acta Arachnologica 69 (1), 17-21, 2020-06-20

    Arachnological Society of Japan

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