Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Rhantus galapagoensis
escarabajo
Aquatic predator; evergreen shrub and pampa zones; January-February; in El Junco crater lake, and in pools and temporary streams around La Toma and elsewhere in the uplands.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Suborder
Adephaga
Family
Dytiscidae
Section
Colymbetini
Genus
Rhantus
Species
galapagoensis
Taxon category: Accepted
Syn.: Rhantus signatus (Fabricius 1775), fide Peck & Balke (1993)
Origin: Endemic
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: San Cristóbal
- Gerecke, R. Peck, S.B. & Pehofer, H.E. (1995) The invertebrate fauna of the inland waters of the Galápagos Archipelago (Ecuador) - a limnological and zoogeographical summary. Arch. Hydrobiol./ Suppl. 107(2): 113-147.
- Peck, S.B. (2006) The Beetles of the Galápagos Islands, Ecuador: Evolution, Ecology, and Diversity (Insecta: Coleoptera) NRC Research Press, Ottawa, Ontario, Canada. 314 pp.
- Peck, S.B. Balke, M. (1993) A synopsis of the Dytiscidae of the Galapagos Islands, Ecuador, with a decription of Rhantus galapagoensis sp. nov. (Coleoptera: Dytiscidae). The Canadian Entomologist 125: 259-266.
- Van Dyke, E.C. (1953) The Coleoptera of the Galapagos Islands. Occasional Papers of the California Academy of Sciences 22: 1-181.
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This page should be cited as follows:
"Galapagos Species Database, Rhantus galapagoensis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=11298. Accessed 31 October 2026.