blog navigation

Illinois Featured Content

blog posts

  • Ancient katydid fossil reveals muscles, digestive tract, glands, testicle

    Prairie Research Institute paleoentomologist Sam Heads, right, who named the specimen after Leellen Solter, left, an insect pathologist and volunteer curator of the insect fossil collection of the PRI Center for Paleontology. Solter is holding the fossil of the insect, Arethaea solterae.  Photo by Michelle Hassel