This is a large, colorful damselfly, varying from 1.5 to 1.8 inches for both genders. The male is reddish. The thorax has thin pale stripes. The abdomen is bronze-green with thin pale rings. The wings have large red spots near the body. The eyes are brownish. The female is more greenish than red. The thorax and abdomen is green with white markings like the male. The wings of the female have amber spots at the base and along the leading edge of wings. The wings also have tiny white stigmas (near tips of wings). The abdomen is stockier than the male.
Ranging throughout United States and southernmost Canada, the American rubyspot prefers streams and rivers with emergent vegetation and flowing water. It is widely distributed throughout Wisconsin.
Late May to late September in Wisconsin.