There are 9 species in 2 genera recorded from Michigan, with another 5 species likely to occur here based on their known regional distribution. A specimen of Cercobrachys also has recently been collected, but its species identity has not yet been confirmed (Todd White, MSU, pers. comm.).

Brachycercus Curtis, 1834

Brachycercus lacustris (Needham), 1918 Caenis
   • Brachycercus idei (Lestage), 1931
   • Brachycercus pallidus (Ide), 1930
   • Eurycaenis idei Lestage, 1931
   • Eurycaenis pallida Ide, 1930
Brachycercus maculatus Berner, 1946 - OH
   • Brachycercus pini Soldan, 1986
Brachycercus nasatus Soldan, 1986 – IN, WI
Brachycercus prudens (McDunnough), 1931 Eurycaenis - IN, WI

Caenis Stephens, 1835

Caenis amica Hagen, 1861
   • Caenis simulans McDunnough, 1931
Caenis anceps Traver, 1935
Caenis diminuta Walker, 1853
Caenis hilaris (Say), 1839 Ephemera - (records at Cook Collection, MSU, East Lansing, Michigan - Koss 1969)
Caenis latipennis Banks, 1907
   • Caenis delicata Traver, 1935
   • Caenis forcipata McDunnough, 1931
   • Caenis gigas Burks, 1953
   • Caenis jocosa McDunnough, 1931
Caenis punctata McDunnough, 1931
Caenis tardata McDunnough, 1931 – (records at Cook Collection, MSU, East Lansing, Michigan - Koss 1969)
Caenis youngi Toemhild, 1984

Page created: October 29, 2002 - Last updated: October 19, 2006 (EB)