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首页> 外文期刊>Environmental Entomology >Behavioral Responses of Two Subterranean Termite Species (Isoptera: Rhinotermitidae) to Instant Freezing or Chilling Temperatures
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Behavioral Responses of Two Subterranean Termite Species (Isoptera: Rhinotermitidae) to Instant Freezing or Chilling Temperatures

机译：两种地下白蚁物种（等翅目：犀牛科）对即时冷冻或低温的行为响应

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摘要

The behavioral responses to instant freezing or chilling temperatures and survivorship of the Formosan subterranean termite, Coptotermes formosanus Shiraki, and the Eastern subterranean termite, Reticulitermes flavipes (Kollar), were studied using a novel experimental design that closely simulated subterranean termites' natural in-ground environment. Both termite species responded to changes in temperature by exhibiting a downward mass movement from the cold to warmer area of constant temperature. However, the degrees of response were specific to the species and temperature regimen. Approximately 88 and 96% of R. flavipes escaped from instant 0pC and chilling regimens (from 24 to 0pC at a rate of 1pC/h or 1pC/12 h), respectively, compared with 77 and 91% of C. formosanus. No significant difference was detected between the two cooling regimens in either termite species. Controls resulted in a relatively even distribution within test tubes in both termite species. The small portion of the termites that did not escape endured a cold coma at a 24-h 0pC and had low mortality of 2.2 and <1% in R. flavipes and <5.2 and <3% in C. formosanus at instant and chilling regimens, respectively. This result may have implications for understanding group intelligence and decision making evolved by subterranean termites to survive temporary freezing cold.
机译：使用新颖的实验设计研究了台湾白蚁，白蚁Coptotermes formosanus Shiraki和东部地下白蚁Reticulitermes flavipes（Kollar）对即时冷冻或冷藏温度和存活的行为响应，该实验采用了新颖的实验设计，该实验设计紧密模拟了地下白蚁的天然地下环境。两种白蚁物种均对温度变化作出反应，表现出从低温到恒温的较热区域向下的质量运动。但是，响应程度是特定于物种和温度方案的。大约88％和96％的R. flavipes从即时0pC和冷却方案（从24到0pC以1pC / h或1pC / 12 h的速率）逃脱，而77％和91％的台湾白僵菌则逃脱了。在两种白蚁物种的两种冷却方式之间均未检测到显着差异。对照导致两种白蚁物种在试管内的分布相对均匀。一小部分未逃脱的白蚁在24h 0pC时遭受了昏迷，在速溶和冷冻方案下，黄褐斑病的死亡率低，分别为2.2％和<1％，而台湾白蚁的死亡率<5.2％和<3％ ， 分别。这一结果可能对理解地下白蚁为适应暂时的寒冷而进化出的群体智慧和决策具有启示意义。

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