Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Vern Wilkins, Indiana University, Bugwood.org

Vern Wilkins, Indiana University, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

David Stephens, Bugwood.org

Vern Wilkins, Indiana University, Bugwood.org

Chris Evans, University of Illinois, Bugwood.org

Vern Wilkins, Indiana University, Bugwood.org

Franklin Bonner, USFS (ret.), Bugwood.org

Vern Wilkins, Indiana University, Bugwood.org