Novel case of a tenebrionid beetle using discontinuous gas exchange cycle when dehydrated

Frances D. Duncan; Boris Krasnov; Megan McMaster

doi:10.1046/j.1365-3032.2002.00266.x

Novel case of a tenebrionid beetle using discontinuous gas exchange cycle when dehydrated

Frances D. Duncan, Boris Krasnov, Megan McMaster

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

In this study we show a link between the respiratory method and state of hydration in an arid dwelling tenebrionid beetle (Pimelia grandis). Dehydrated beetles use discontinuous gas exchange cycles with a flutter period consisting of several discrete bursts of CO₂ release, whereas beetles given access to food and water showed a form of continuous CO₂ release. These data give support to the respiratory water conservation hypothesis for the discontinuous gas exchange cycle.

Original language	English
Pages (from-to)	79-83
Number of pages	5
Journal	Physiological Entomology
Volume	27
Issue number	1
DOIs	https://doi.org/10.1046/j.1365-3032.2002.00266.x
State	Published - 13 Apr 2002

Keywords

Discontinuous gas exchange
Pimelia grandis
Tenebrionid
Water loss

ASJC Scopus subject areas

Physiology
Ecology, Evolution, Behavior and Systematics
Insect Science

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10.1046/j.1365-3032.2002.00266.x

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abstract = "In this study we show a link between the respiratory method and state of hydration in an arid dwelling tenebrionid beetle (Pimelia grandis). Dehydrated beetles use discontinuous gas exchange cycles with a flutter period consisting of several discrete bursts of CO2 release, whereas beetles given access to food and water showed a form of continuous CO2 release. These data give support to the respiratory water conservation hypothesis for the discontinuous gas exchange cycle.",

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N2 - In this study we show a link between the respiratory method and state of hydration in an arid dwelling tenebrionid beetle (Pimelia grandis). Dehydrated beetles use discontinuous gas exchange cycles with a flutter period consisting of several discrete bursts of CO2 release, whereas beetles given access to food and water showed a form of continuous CO2 release. These data give support to the respiratory water conservation hypothesis for the discontinuous gas exchange cycle.

AB - In this study we show a link between the respiratory method and state of hydration in an arid dwelling tenebrionid beetle (Pimelia grandis). Dehydrated beetles use discontinuous gas exchange cycles with a flutter period consisting of several discrete bursts of CO2 release, whereas beetles given access to food and water showed a form of continuous CO2 release. These data give support to the respiratory water conservation hypothesis for the discontinuous gas exchange cycle.

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KW - Pimelia grandis

KW - Tenebrionid

KW - Water loss

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Novel case of a tenebrionid beetle using discontinuous gas exchange cycle when dehydrated

Abstract

Keywords

ASJC Scopus subject areas

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