New distribution records establish Ophiogomphus howei as a resident species in Wisconsin. Kentucky, Maine, and Minnesota are added as new state records for this seldom-encountered gomphid dragonfly. Larval habitats appear to be undisturbed rivers 10-200 m wide, with sand and gravel sub-strates.
Tennessen, K. J.
"New Distribution Records for Ophiogomphus Howei (Odonata: Gomphidae),"
The Great Lakes Entomologist, vol 26
Available at: https://scholar.valpo.edu/tgle/vol26/iss3/8