Erl Svendsen and Bernadette Vangool of the Saskatchewan Perennial Society discuss the sudden appearance of fungus gnats around houseplants.
Aristotle proposed that some life spontaneously generated from non-living elements, including some flies.
However, Louis Pasteur demonstrated that spontaneous generation does not occur, leading to the development of pasteurization.
But then, how do you explain the sudden appearance of swarms of fungus gnats that can occur around your houseplants?
Author's summary: Fungus gnats appear suddenly around houseplants.