Adaptations of a native Subantarctic flightless fly to dehydration stress: more plastic than we thought? ( Short Communication)

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 Ke...

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Bibliographic Details
Main Authors: Barrio, Isabel C., Hik, David S., Charrier, Maryvonne, Frenot, Yves, Renault, David
Format: Article in Journal/Newspaper
Language:English
Published: Masaryk Univerzity 2014
Subjects:
Calycopteryx moseleyi
Pringlea antiscorbutica
desiccation
Kerguelen Islands
survival
water balance
Kerguelen
Online Access:http://journals.muni.cz/CPR/article/view/12852
Description
Summary: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.

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