Developmental patterns of supercooling capacity in a subantarctic wingless fly

被引：36

作者：

Vernon, P ^{[1
]}

Vannier, G ^{[1
]}

机构：

[1] MUSEUM NATL HIST NAT,URA 1183 CNRS,LAB ECOL GEN,F-91800 BRUNOY,FRANCE

来源：

EXPERIENTIA | 1996年 / 52卷 / 02期

关键词：

cold-hardiness; supercooling point; ontogenesis; winglessness; subantarctic fly; Diptera; Sphaeroceridae;

D O I：

10.1007/BF01923362

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Anatalanta aptera is a wingless fly which lives in subantarctic islands, particularly in sea bird colonies. Developmental patterns of supercooling capacity were studied in an experimental population reared at 5 degrees C and fed ad libitum. Mean supercooling points of the eggs, second and third instar larvae, pupae, teneral and mature adults were -28.0 degrees C, -10.8 degrees C, -8.8 degrees C, 17.6 degrees C, -16.6 degrees C and -8.2 degrees C respectively. Low mean supercooling points were found for inactive stages (eggs, pupae) and, unexpectedly among Diptera, teneral adults. Mature adults had a combination of low supercooling ability, high lipid content and physogastry. The results are compared with those obtained in winged species from other families of Diptera.

引用

页码：155 / 158

页数：4

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