Effects of summer frost exposures on the cold tolerance strategy of a sub-Antarctic beetle.

@article{Bale2001EffectsOS,
  title={Effects of summer frost exposures on the cold tolerance strategy of a sub-Antarctic beetle.},
  author={Jeffrey S. Bale and Michael Roger Worland and William C. Block},
  journal={Journal of insect physiology},
  year={2001},
  volume={47 10},
  pages={1161-1167}
}
The sub-Antarctic beetle Hydromedion sparsutum (Coleoptera, Perimylopidae) is common locally on the island of South Georgia where sub-zero temperatures can be experienced in any month of the year. Larvae were known to be weakly freeze tolerant in summer with a mean supercooling point (SCP) around -4 degrees C and a lower lethal temperature of -10 degrees C (15min exposure). This study investigated the effects of successive freezing exposures on the SCP and subsequent survival of summer… CONTINUE READING

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