Illinois Insect – Giant Swallowtail

This Giant Swallowtail butterfly (Papilio cresphontes) was photographed by Gordon Adams (a member of our group). Butterflies of this species are the largest butterflies found in Illinois. They are typically encountered in woods and nearby open areas.

Illinois Insect – Regal Fritillary

This photograph of a Regal Fritillary (Speyeria idalia) was taken by our member Gordon Adams. This butterfly species is typically found in prairie or other open environments (more often in sandy regions). This is a state enangered species. More information can be...