The Recently Extinct Plants and Animals Database

Hygrotus sylvanus (Fall, 1917)



Taxonomy & Nomenclature



Conservation Status

Last record: 1979 (Suckling et al. 2004)


One of a number of species that are thought to be extinct after having previously been rediscovered.





Biology & Ecology










Anderson, R.D. 1976. A revision of the Nearctic species of Hygrotus groups II and III (Coleoptera: Dytiscidae). Ann. Ent. Soc. Amer. 69: 577-584.

Daussin, G.L. 1979. Rediscovery of Hygrotus sylvanus (Fall) (Coleoptera: Dytiscidae). Entomol. News 90(4): 207-208.

Suckling, Kieran, Slack, Rhiwena and Nowicki, Brian. (2004). Extinct and the Endangered Species Act. Centre For Biological Diversity. 63 pp.


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