All red or yellow, typically lacking defined spots or bands (1). Small.
Range
Eastern U.S. except Florida and Louisiana; parts of southern Canada; Great Plains states; Oregon, Washington, and parts of California.
Habitat
Marshes, lakes, ponds, slow-moving streams. Usually associated with woodlands.
Season
Primarily late in the summer; often the last species to be seen in a given area. Rarely recorded in December in Massachusetts(2), more commonly flying into November.