Catching fireflies is an iconic summer experience for many people living in North America, but the flickering beetles are on the decline. New research has identified factors that may be contributing to declining populations.

The study, which is available online now and will be published in the June 15 issue of Science of the Total Environment, suggests that fireflies are sensitive to various environmental factors, from short-term weather conditions to longer climatic trends.

Read more: Firefly populations at risk due to climate change, urban development | Penn State University (