Giacinto Cestoni
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Diacinto (or Giacinto) Cestoni (May 13, 1637 - January 29, 1718) was an Italian naturalist.
Born in Montegiorgio, he was self-taught. He lived and worked at Livorno where he led a pharmacy shop next to the port. He studied fleas and algae, and showed that scabies is provoked by Sarcoptes scabiei.