Arid
DOI10.1111/phen.12070
Evidence of temperature-independent metabolic rates in diurnal Namib Desert tenebrionid beetles
Lease, Hilary M.1; Goelst, Kathleen1; Seely, Mary K.2; Mitchell, Duncan1
通讯作者Lease, Hilary M.
来源期刊PHYSIOLOGICAL ENTOMOLOGY
ISSN0307-6962
EISSN1365-3032
出版年2014
卷号39期号:3页码:254-262
英文摘要

To investigate whether the sensitivity to environmental temperature varies between nocturnal and diurnal species of tenebrionid beetle, the metabolic rates of three diurnal species (Onymacris plana Peringuey, Onymacris rugatipennis Haag and Physadesmia globosa Haag) and three nocturnal species (Epiphysa arenicola Penrith, Gonopus sp. and Stips sp.) of beetles from the Namib Desert are measured over a range of temperatures (15-40 degrees C) that are experienced by these beetles in their natural habitat. The diurnal species O. plana, O. rugatipennis and P. globosa exhibit temperature-independent metabolic rates (mean Q(10) = 1.2) within temperature ranges that are ecologically relevant for diurnal desert beetles (30-40 degrees C). Onymacris plana, in particular, has a 20-40 degrees C rate-temperature slope (0.007 log(10) mL O-2 h(-1) g(-1) C-1; Q(10) = 1.1) that is less than half that of the other five beetle species (0.022-0.063 log(10) mL O-2 h(-1) g(-1) C-1; Q(10) ranges from 1.3-1.9), suggesting that O. plana is more metabolically independent of temperature than the other nocturnal and diurnal tenebrionids being investigated. Animals with metabolic rates that are decoupled from body temperature (or ambient temperature) may have an ecological advantage that allows them to exploit thermal and spatial niches during extreme temperature conditions.


英文关键词Coleoptera energetics insect metabolism respiration thermal
类型Article
语种英语
国家South Africa ; Namibia
收录类别SCI-E
WOS记录号WOS:000340895200009
WOS关键词WATER-LOSS ; INSECTS ; ECOLOGY ; THERMOREGULATION ; HYMENOPTERA ; VENTILATION ; ADAPTATIONS ; FORMICIDAE ; COLEOPTERA ; LOCOMOTION
WOS类目Entomology
WOS研究方向Entomology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/184207
作者单位1.Univ Witwatersrand, Fac Hlth Sci, Sch Physiol, Brain Funct Res Grp, ZA-2193 Parktown, South Africa;
2.Gobabeb Res & Training Ctr, Walvis Bay, Namibia
推荐引用方式
GB/T 7714
Lease, Hilary M.,Goelst, Kathleen,Seely, Mary K.,et al. Evidence of temperature-independent metabolic rates in diurnal Namib Desert tenebrionid beetles[J],2014,39(3):254-262.
APA Lease, Hilary M.,Goelst, Kathleen,Seely, Mary K.,&Mitchell, Duncan.(2014).Evidence of temperature-independent metabolic rates in diurnal Namib Desert tenebrionid beetles.PHYSIOLOGICAL ENTOMOLOGY,39(3),254-262.
MLA Lease, Hilary M.,et al."Evidence of temperature-independent metabolic rates in diurnal Namib Desert tenebrionid beetles".PHYSIOLOGICAL ENTOMOLOGY 39.3(2014):254-262.
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