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1 November 2010 Effects of Temperature and Humidity on the Survival and Water Loss of Cimex hemipterus (Hemiptera: Cimicidae)
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Abstract

The effect of temperature and humidity on the survival and water loss of the tropical bed bug, Cimex hemipterus (F.), was studied using two field-collected strains. Insects were exposed to temperatures ranging from 20 to 45°C and relative humidities (RHs) of 33, 75, and 100%. C. hemipterus survived longest under the interaction of low temperature (20°C) and high RH (75–100%). Survival and water loss were significantly affected (P < 0.01) by temperature and RH (either singly, or in interaction). Strain and sex significantly (P < 0.01) influenced bed bug survival, but not on water loss. Eggs, first instars, and adults reached their upper thermal lethal limit within 1 h at 39°C, 44°C, and 46°C, respectively. The survival and water loss profiles showed that starved C. hemipterus started to die after losing 35–45% of their body weights.

© 2010 Entomological Society of America
Yee-Fatt How and Chow-Yang Lee "Effects of Temperature and Humidity on the Survival and Water Loss of Cimex hemipterus (Hemiptera: Cimicidae)," Journal of Medical Entomology 47(6), 987-995, (1 November 2010). https://doi.org/10.1603/ME10018
Received: 29 January 2010; Accepted: 1 July 2010; Published: 1 November 2010
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