, Volume 34, Issue 10, pp 1379–1381 | Cite as

Presence of ecdysone and ecdysterone in the tickAmblyomma hebraeum Koch

  • J. P. Delbecque
  • P. A. Diehl
  • J. D. O'Connor


Ecdysone and ecdysterone, the moulting hormones of insects and crustaceans, are also present in nymphs of the tickAmblyomma hebraeum. They were demonstrated by means of radioimmunoassay and of gas-liquid chromatography combined with mass fragmentography or mass spectrometry of their trimethylsilyl-drivatives.


Chromatography Mass Spectrometry Ecdysone Ecdysterone Mass Fragmentography 
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Copyright information

© Birkhäuser Verlag 1978

Authors and Affiliations

  • J. P. Delbecque
    • 1
    • 2
    • 3
  • P. A. Diehl
    • 1
    • 2
    • 3
  • J. D. O'Connor
    • 1
    • 2
    • 3
  1. 1.Laboratoire de ZoologieE.R.A. du CNRS 231, Faculté de SciencesDijon(France)
  2. 2.Institut de ZoologieUniversité, Le MailNeuchâtel(Switzerland)
  3. 3.Department of BiologyUniversity of CaliforniaLos AngelesUSA

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