Author: (Day, 1871)
Comments: Adults inhabit clear forested streams and rivers (Ref. 12693).  They occur in swift flowing streams (Ref. 43281).  Disappear when human activities degrade aquatic habitats, as seen in other members of the genus (Ref. 12693).  Are predators primarily, but also feed on some types of plant matter, particularly fruits (Ref. 12693).