On the mycetome formation in periplaneta americana (Blattaria, blattidae)

Ugo Laudani, Aldo Grigolo, Luciano Sacchi, Silvia Corona, Gianfranca Biscaldi

Research output: Contribution to journalArticlepeer-review


The behaviour of the symbiont bacteria of Periplaneta americana during the different phases of embryogenesis is described. The succession of events that determine an interaction between the vitellophagic energids and the symbionts is analysed, with the successive formation of a mycetome that at first envelops the bacteria and from which they then migrate to colonize the plasmatocytes that will become bacteriocytes. We suggest that the mycetome is the primary site of symbiotic population growth.

Original languageEnglish
Pages (from-to)345-351
Number of pages7
JournalBolletino di zoologia
Issue number4
Publication statusPublished - Jan 1 1995


  • Bacterial symbionts
  • Embryogenesis
  • Insects
  • Vitellophages

ASJC Scopus subject areas

  • Animal Science and Zoology


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