The National Science Foundation reports

Unseasonably warm and cold days can prolong the active period of moths and butterflies.

As Earth’s climate continues to warm, extreme and anomalous weather events are becoming more common. But predicting and analyzing the effects of what is, by definition, an anomaly can be tricky.

Scientists say museum specimens can help. In the first study of its kind, published in Nature Communications Biology, researchers at the University of Florida used natural history specimens to show that unseasonably warm and cold days can prolong the active period of moths and butterflies by nearly a month.

Read more at  Weather anomalies are keeping insects active longer