Over the last several decades, global temperatures have been on the rise, affecting insect activity patterns around the world. However, recent research suggests that extreme weather events are having an even greater impact on insect behavior than the average temperature increase.
In fact, weather anomalies such as higher frequency of heat waves, droughts, and heavy rainfall events have led to prolonged active periods for insects such as moths and butterflies.
This can result in greater damage to crops and other plants, as well as disruptions to ecosystems.
According to a recent study published in the journal Nature, the number of extreme weather events that have occurred since the 1980s has resulted in a 58% increase in the length of insect activity periods, compared to only a 17% increase from rising temperatures alone.
Notably, the study found that moth and butterfly activity was particularly sensitive to weather anomalies, with a 94% increase in activity length.
This is likely due to the fact that these insects are more reliant on ambient temperatures for their metabolic processes than other insects.
This information has significant implications for agriculture, as farmers will need to be prepared for longer insect activity periods and increased risk of crop damage.
It also underscores the importance of addressing climate change and working to mitigate the frequency and severity of extreme weather events.
We must recognize the impact of weather anomalies on insect behavior and take action to mitigate their effects, both for the sake of our ecosystems and our food security.
Edited by Zeng Han-Jun
Written by Juliana Rodriguez
Terra Link Research 