The lethal temperature for flies, specifically common houseflies, is a critical factor determining their survival. This threshold represents the ambient temperature beyond which physiological processes required for life are irreparably compromised, leading to mortality. For instance, prolonged exposure to temperatures below freezing or above approximately 115 degrees Fahrenheit (46 degrees Celsius) typically proves fatal.
Understanding the thermal tolerance of flies is significant for several reasons. In pest control, it informs strategies for minimizing fly populations in agricultural and residential settings. Historically, temperature manipulation, such as freezing stored goods or using heat treatments, has been employed to control insect infestations. Furthermore, research into insect thermal limits contributes to broader ecological studies examining the impact of climate change on insect distribution and survival.