Arid
DOI10.1242/jeb.137588
Phenophysiological variation of a bee that regulates hive humidity, but not hive temperature
Ayton, Sasha1,2; Tomlinson, Sean2; Phillips, Ryan D.2,3; Dixon, Kingsley W.2,4; Withers, Philip C.1,4
通讯作者Tomlinson, Sean
来源期刊JOURNAL OF EXPERIMENTAL BIOLOGY
ISSN0022-0949
EISSN1477-9145
出版年2016
卷号219期号:10页码:1552-1562
英文摘要

Seasonal acclimatisation of thermal tolerance, evaporative water loss and metabolic rate, along with regulation of the hive environment, are key ways whereby hive-based social insects mediate climatic challenges throughout the year, but the relative importance of these traits remains poorly understood. Here, we examined seasonal variation in metabolic rate and evaporative water loss of worker bees, and seasonal variation of hive temperature and relative humidity (RH), for the stingless bee Austroplebeia essingtoni (Apidae: Meliponini) in arid tropical Australia. Both water loss and metabolic rate were lower in the cooler, dry winter than in the hot, wet summer at most ambient temperatures between 20 degrees C and 45 degrees C. Contrary to expectation, thermal tolerance thresholds were higher in the winter than in the summer. Hives were cooler in the cooler, dry winter than in the hot, wet summer, linked to an apparent lack of hive thermoregulation. The RH of hives was regulated at approximately 65% in both seasons, which is higher than unoccupied control hives in the dry season, but less than unoccupied control hives in the wet season. Although adaptations to promote water balance appear more important for survival of A. essingtoni than traits related to temperature regulation, their capacity for water conservation is coincident with increased thermal tolerance. For these small, eusocial stingless bees in the arid tropics, where air temperatures are relatively high and stable compared with temperate areas, regulation of hive humidity appears to be of more importance than temperature for maintaining hive health.


英文关键词Austroplebeia essingtoni Hymenoptera Thermal performance Acclimatisation Metabolic rate Evaporative water loss Hive regulation
类型Article
语种英语
国家Australia
收录类别SCI-E
WOS记录号WOS:000376118500021
WOS关键词EVAPORATIVE WATER-LOSS ; METABOLIC-RATE ; THERMAL TOLERANCE ; HONEY-BEE ; PHYSIOLOGICAL PERFORMANCE ; PHENOTYPIC PLASTICITY ; ENERGY-METABOLISM ; STRESS RESISTANCE ; APIS-MELLIFERA ; STINGLESS BEES
WOS类目Biology
WOS研究方向Life Sciences & Biomedicine - Other Topics
来源机构University of Western Australia
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194390
作者单位1.Univ Western Australia, Sch Anim Biol, Crawley, WA 6009, Australia;
2.Kings Pk & Bot Gardens, Sci Directorate, Perth, WA 6009, Australia;
3.Australian Natl Univ, Evolut Ecol & Genet Res Sch Biol, GPO Box 4, Canberra, ACT 2601, Australia;
4.Curtin Univ, Dept Environm & Agr, Bentley, WA 6847, Australia
推荐引用方式
GB/T 7714
Ayton, Sasha,Tomlinson, Sean,Phillips, Ryan D.,et al. Phenophysiological variation of a bee that regulates hive humidity, but not hive temperature[J]. University of Western Australia,2016,219(10):1552-1562.
APA Ayton, Sasha,Tomlinson, Sean,Phillips, Ryan D.,Dixon, Kingsley W.,&Withers, Philip C..(2016).Phenophysiological variation of a bee that regulates hive humidity, but not hive temperature.JOURNAL OF EXPERIMENTAL BIOLOGY,219(10),1552-1562.
MLA Ayton, Sasha,et al."Phenophysiological variation of a bee that regulates hive humidity, but not hive temperature".JOURNAL OF EXPERIMENTAL BIOLOGY 219.10(2016):1552-1562.
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