Long-toed-water-beetles
Guides
Postelichus
long-toed water beetles
Postelichus is a genus of long-toed water beetles in the family Dryopidae, established by Nelson in 1989. The genus contains seven described species distributed in North America, with the earliest described species dating to 1852. Members of this genus are associated with aquatic or semi-aquatic habitats, consistent with the family Dryopidae's ecological preferences.