The MOS is missing specimens for Ebony Jewelwings (Calopteryx maculata) from just two Michigan counties: Bay and Charlevoix.
Go get'em -- and make this the first species to be collected in all 83 Michigan counties! See Mark's post on Michigan Odonotes.
♂ and ♀ Calopteryx maculata in copula. Photo by Mark O'Brien, all rights reserved.