
Eastern Tiger Swallowtail (Papilio glaucus)
male
St. Charles, Kane County, Illinois
August 1, 2000
Photo by Tom Peterson
Illinois Butterfly Monitoring Network
The Illinois Butterfly Monitoring Network engages citizen scientists in the process of collecting quantitative data on butterfly populations.
Eastern Tiger Swallowtail (Papilio glaucus)
male
St. Charles, Kane County, Illinois
August 1, 2000
Photo by Tom Peterson