Pentagenia robusta
Encyclopedia
Pentagenia robusta was a species of insect
in family Ephemeridae
. It was endemic to the United States
.
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...
in family Ephemeridae
Ephemeridae
Ephemeridae is a family of mayflies with about 150 described species found throughout the world except Australia and Oceania. These are generally quite large mayflies with either two or three very long tails...
. It was endemic to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.
Source
- World Conservation Monitoring Centre 1996. Pentagenia robusta. 2006 IUCN Red List of Threatened Species. Downloaded on 10 August 2007.