''Graphoderus liberus'' is a species of predaceous diving

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

in the family Dytiscidae. It is found in North America.Bilton DT, Ribera I (2017). "A revision of Meladema diving beetles (Coleoptera, Dytiscidae), with the description of a new species from the central Mediterranean based on molecules and morphology". ''ZooKeys 702'': 45-112.Bousquet Y (2012). "Catalogue of Geadephaga (Coleoptera: Adephaga) of America, north of Mexico". ''ZooKeys 245'': 1-1722.

References

* D.J. Larson, Y. Alarie, and R.E. Roughley. (2001). ''Predaceous Diving Beetles (Coleoptera: Dytiscidae) of the Nearctic Region, with emphasis on the fauna of Canada and Alaska''. NRC 43253. * Nilsson, Anders N. (2001). ''World Catalogue of Insects, volume 3: Dytiscidae (Coleoptera)'', 395. * Webster, Reginald P. (2008). "New predaceous diving beetle (Coleoptera: Dytiscidae) records for New Brunswick and Canada with new distribution information on some rarely collected species". ''Journal of the Acadian Entomological Society'', vol. 4, 38–45.

References

Further reading