Tom H. Klubertanz
Entomological News 125 (2), 117-126, (1 August 2015) https://doi.org/10.3157/021.125.0205
KEYWORDS: Ephemeroptera, mayfly records, mayflies, Midwest, Illinois, Iowa, Michigan, Minnesota, Nebraska, Missouri
Seven new state and sixty-four new county records of mayflies (Insecta: Ephemeroptera) are given for Illinois, Iowa, Michigan, Minnesota, Missouri, and Nebraska based upon review of existing collections as well as newly collected material. New state records are provided for Baetis brunneicolor (Baetidae), Iswaeon anoka (Baetidae), Procloeon fragile (Baetidae), Pseudocentroptiloides usa (Baetidae), Cercobrachys lilliei (Caenidae), and Heptagenia whitingi (Heptageniidae).