This report is a contribution to the Ohio Odonata Survey. Three specie
s previously unknown for Ohio are reported as new state records: Macro
mia georgina (Selys), 1878, Gomphaeschna furcillata (Say), 1839, and L
ibellula deplanata Rambur, 1842. These records increase the number of
known Odonata from Ohio to 156 species and subspecies, Also reported a
re 611 new county records, significantly expanding our knowledge of di
stribution of these species in Ohio, Comments on early or late flight
dates and/or species status are made for several species, These record
s are based upon recent collecting and re-examination of museum collec
tions.