Abstract
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°C and fed ad libitum. Mean supercooling points of the eggs, second and third instar larvae, pupae, teneral and mature adults were −28.0°C, −10.8°C, −8.8°C, 17.6°C, −16.6°C and −8.2°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.
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Vernon, P., Vannier, G. Developmental patterns of supercooling capacity in a subantarctic wingless fly. Experientia 52, 155–158 (1996). https://doi.org/10.1007/BF01923362
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DOI: https://doi.org/10.1007/BF01923362