The Federally beetle, Brychius hungerfordi, has been discovered at a new location in Northern Lower Peninsula of Michigan. We also report preliminary data on a seasonal variation in relative abundance and on its possible food plants.
Grant, Michael; Kopple, Robert Vande; and Ebbers, Bert
"New Distribution Record for the Endangered Crawling Water Beetle Brychius Hungerfordi (Coleoptera: Haliplidae) and Notes on Seasonal Abundance and Food Preferences,"
The Great Lakes Entomologist, vol 33
Available at: https://scholar.valpo.edu/tgle/vol33/iss3/1