The Recently Extinct Plants and Animals Database

Megadytes ducalis Sharp, 1882:713



Taxonomy & Nomenclature



Conservation Status

Last record: late 1800's

IUCN RedList status: Extinct



Bahia (southern), Brazil







10 other specimens (Hendrich et al., 2019)






Original scientific description:

Sharp, David. (1882). On aquatic carnivorous Coleoptera or Dystiscidæ. Scientific Transactions of the Royal Dublin Society 2: 179-1003.


Other references:

Foster, G. N. and Bilton, D. T. (2014). The Conservation of Predaceous Diving Beetles: Knowns, Unknowns and Anecdotes, pp. 437-462. In: Yee, Donald A. (ed.). Ecology, Systematics, and the Natural History of Predaceous Diving Beetles (Coleoptera: Dytiscidae). Springer Netherlands.

Hendrich, Lars, Manuel, Michael and Balke, Michael. (2019). The return of the Duke—locality data for Megadytes ducalis Sharp, 1882, the world's largest diving beetle, with notes on related species (Coleoptera: Dytiscidae). Zootaxa 4586(3): 517-535. [Abstract]

World Conservation Monitoring Centre. (1996). Megadytes ducalis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 26 May 2013.


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