Winter Survival and Freeze Tolerance in a Northern Cockroach, Periplaneta japonica (Blattidae: Dictyoptera)

@inproceedings{Tanaka1997WinterSA,
  title={Winter Survival and Freeze Tolerance in a Northern Cockroach, Periplaneta japonica (Blattidae: Dictyoptera)},
  author={Kazuhiro Tanaka and Seiji Tanaka},
  year={1997}
}
Abstract Cold tolerance of overwintering nymphs of a cockroach, Periplaneta japonica, was examined in terms of the supercooling capacity and lower lethal temperature. The supercooling point of overwintering nymphs fell in a relatively narrow range of temperature from -6 to -9°C and no correlation was observed between the supercooling point and body size. In the temperature range from -5 to -8°C, a significant proportion of cockroaches could tolerate a 12 hr period of tissue freezing. The freeze… 
Temperature acclimation in overwintering nymphs of a cockroach, Periplaneta japonica: walking on ice.
  • Seiji Tanaka
  • Environmental Science
    Journal of insect physiology
  • 2002
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TLDR
The newly sequenced genomes of BPja and BPfu emphasise the remarkable stability of Blattabacterium genomes supported by their long-term coevolution and obligatory lifestyle in their host insect.
Climatic variability and hemispheric differences in insect cold tolerance: Support from southern Africa
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Insect cold tolerance: How many kinds of frozen?
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