Insect cold tolerance: How many kinds of frozen?
1999
Sinclair, B.J. (University of Otago, Dunedin (New Zealand). Dept. of Zoology)
Insect cold tolerance mechanisms are often divided into freezing tolerance and freeze intolerance. This division has been criticised in recent years; Bale (1996) established five categories of cold tolerance. In Bale`s view, freezing tolerance is at the extreme end of the spectrum of cold tolerance, and represents insects which are most able to survive low temperatures. Data in the literature from 53 species of freezing tolerant insects suggest that the freezing tolerance strategies of these species are divisible into four groups according to supercooling point (SCP) and lower lethal temperature (LLT). Statistical analyses of these groups are presented in this paper.
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