Moths are typically associated with warmer weather, and their appearance is commonly seen during the spring and summer months. However, with the changing climate patterns and the increasing use of indoor heating, moths can now be found throughout the year.
Traditionally, moths were more prevalent during the warmer months because they thrive in temperatures between 77 and 86 degrees Fahrenheit (25-30 degrees Celsius). In the colder winter months, moths would often enter a dormant phase, slowing down their activity and reproduction. This led to a decrease in moth populations during the winter.
However, with the rise of central heating in homes and buildings, the indoor temperature remains relatively constant throughout the year. This artificial warmth allows moths to continue their life cycle uninterrupted, resulting in a year-round presence.
Furthermore, the popularity of clothing made from natural fibers such as wool, silk, and cashmere has contributed to the increase in moth populations. Clothes moths are particularly attracted to these natural fibers, as they provide an ideal food source for their larvae. The demand for natural fiber clothing and the absence of synthetic materials in many wardrobes have inadvertently created a favorable environment for moths to thrive.
In my personal experience as an entomologist, I have noticed a peak in moth activity during the spring months, particularly around April. This could be attributed to the combination of warmer temperatures and an increase in outdoor activities, such as spring cleaning or transitioning to lighter clothing. During this time, people often uncover hidden infestations or notice the presence of adult moths flying around.
It is important to note that moths can be a year-long problem, and their emergence is not limited to a specific season. However, the peak in adult moth activity during the spring serves as a reminder to be vigilant in preventing and addressing moth infestations.
To summarize, while moths can emerge throughout the year due to warmer winters, central heating, and the use of natural fiber clothing, there is still a noticeable increase in adult moth activity around April and the spring months. This is likely influenced by a combination of factors, including temperature, outdoor activities, and the nature of their preferred food sources.