Firefly Watch: View & Explore Data

Photinus firefly foraging for food © Don Salvatore
© Don Salvatore

This map shows firefly observation data.

Click on an individual marker to see that participant's first and last recorded observations.

Fireflies Seen Legend

Average of the 3 entries per observation 

More than 25

Archived Data

For 9 years, the Museum of Science in Boston spearheaded Firefly Watch. The data from 2008 - 2016 is available for download as a spreadsheet.