Arid
DOI10.1016/S0306-4565(96)00018-6
Temperature regulation by evaporative cooling in a desert grasshopper, Calliptamus barbarus (Ramme, 1951)
Roxburgh, L; Pinshow, B; Prange, HD
通讯作者Roxburgh, L
来源期刊JOURNAL OF THERMAL BIOLOGY
ISSN0306-4565
出版年1996
卷号21期号:5-6页码:331-337
英文摘要

1. We examined the desert-dwelling grasshopper, Calliptamus barbarus, to determine whether it used evaporative cooling, and if differences existed in the use of evaporative cooling between the small males and larger females. Male C, barbarus are the smallest grasshoppers tested for their use of evaporative cooling.


2. Calliptamus barbarus use evaporative cooling at high ambient temperatures to keep their body temperature below lethal levels. This has been shown in insects such as cicadas, bees and other grasshoppers. Maximal water loss rates for C. barbarus are similar (8-10% of body mass per hour) to those of other grasshoppers.


3. Male C. barbarus weigh 370 mg on average, and are 20% of the females’ mass. At low ambient temperatures males evaporated 13.31 +/- 1.14 mg water/h (n = 12), a similar rate to that in females, who evaporated 17.53 +/- 2.03 mg water/h (n = 29), but a considerably greater fraction of body mass per unit time. At high ambient temperatures, the males lost less in absolute terms, but a similar amount relative to body mass. The differences are partially accounted for by scaling effects, but for the most part, the reasons for these differences are unclear. They may be linked to differences in ventilatory patterns between males and females or differences in cuticular permeability, the two major pathways of water loss in insects. Copyright (C) 1996 Elsevier Science Ltd.


英文关键词orthoptera evaporative cooling thermoregulation body size Calliptamus barbarus
类型Article
语种英语
国家ISRAEL ; USA
收录类别SCI-E
WOS记录号WOS:A1996VY72000009
WOS关键词WATER-LOSS ; THERMOREGULATION ; HOMOPTERA ; CICADIDAE
WOS类目Biology ; Zoology
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Zoology
来源机构Ben-Gurion University of the Negev
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/133230
作者单位(1)BEN GURION UNIV NEGEV,JACOB BLAUSTEIN INST DESERT RES,IL-84990 SEDE BOQER,ISRAEL;(2)INDIANA UNIV,MED SCI PROGRAM,BLOOMINGTON,IN 47405
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GB/T 7714
Roxburgh, L,Pinshow, B,Prange, HD. Temperature regulation by evaporative cooling in a desert grasshopper, Calliptamus barbarus (Ramme, 1951)[J]. Ben-Gurion University of the Negev,1996,21(5-6):331-337.
APA Roxburgh, L,Pinshow, B,&Prange, HD.(1996).Temperature regulation by evaporative cooling in a desert grasshopper, Calliptamus barbarus (Ramme, 1951).JOURNAL OF THERMAL BIOLOGY,21(5-6),331-337.
MLA Roxburgh, L,et al."Temperature regulation by evaporative cooling in a desert grasshopper, Calliptamus barbarus (Ramme, 1951)".JOURNAL OF THERMAL BIOLOGY 21.5-6(1996):331-337.
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