Lars Hendrich, Michael Manuel, Michael Balke. 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, 2019, 4586 (3): 517-535.
https://doi.org/10.11646/zootaxa.4586.3.8
http://zoobank.org/urn:lsid:zoobank.org:pub:3CFD2CE3-6E93-4DFB-81CB-5406DB34BF2C