DeWalt, R.E., C. Favret i D.W. Webb, 2005. Just how imperiled are aquatic insects? A case study of stoneflies (Plecoptera) in Illinois. Annals of the Entomological Society of America 98(6):941-950. «PDF». Arxivat de l'original el 2010-06-15. [Consulta: 25 gener 2012].
DeWalt, R.E., C. Favret i D.W. Webb, 2005. Just how imperiled are aquatic insects? A case study of stoneflies (Plecoptera) in Illinois. Annals of the Entomological Society of America 98(6):941-950. «PDF». Arxivat de l'original el 2010-06-15. [Consulta: 25 gener 2012].