Adaptations of a native Subantarctic flightless fly to dehydration stress: More plastic than we thought?

Isabel C. Barrio*, David S. Hik, Maryvonne Charrier, Yves Frenot, David Renault

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Water conservation is a critical aspect affecting the survival, distribution and abundance of terrestrial arthropods. In this study we investigate mechanisms of dehydration tolerance of the native, flightless fly, Calycopteryx moseleyi, inhabiting contrasting environments at two localities in the Kerguelen Islands. We compare the survival abilities and management of body water content of adult flies from two different ecophenotypes when exposed to conditions of low relative humidity. Our results suggest a broad plasticity in the responses of C. moseleyi to desiccation, showing distinct local adaptations to environmental conditions.

Original languageEnglish
Pages (from-to)123-128
Number of pages6
JournalCzech Polar Reports
Volume4
Issue number2
DOIs
Publication statusPublished - 2014

Other keywords

  • Calycopteryx moseleyi
  • Desiccation
  • Kerguelen Islands
  • Pringlea antiscorbutica
  • Survival
  • Water balance

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