Article

Experientia

, Volume 37, Issue 6, pp 599-601

Flight enhances juvenile hormone inactivation inDanaus plexippus plexippus L. (Lepidoptera: Danaidae)

  • C. A. LessmanAffiliated withDepartment of Population Dynamics, Johns Hopkins UniversityDepartment of Genetics and Cell Biology, University of Minnesota
  • , W. S. HermanAffiliated withDepartment of Population Dynamics, Johns Hopkins UniversityDepartment of Genetics and Cell Biology, University of Minnesota

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Summary

Adult Monarch butterflies injected with3H-juvenile hormone (JH) showed a significant increase in haemolymph JH metabolites after a 40 min flight compared to unflown controls. In addition, haemolymph enzymatic JH metabolism was shown to increase with thoracic temperature increases previously shown to be associated with flight.