Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Thermonectus basillaris galapagoensis
escarabajo
Aquatic predator; littoral to evergreen shrub zone; January-July, September-October; in Brackish coastal pools and highland ponds, at lights, FIT.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Suborder
Adephaga
Family
Dytiscidae
Section
Thermonectini
Genus
Thermonectus
Species
basillaris
Subspecies
galapagoensis
Taxon category: Species with Infraspecific Taxa
Syn.: Acilius incisus C. Waterhouse, 1877, A. basillaris Mutchler, 1925 (not Harris), fide Peck (2006)
Origin: Endemic
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Baltra, Floreana, Isabela, San Cristóbal, Santa Cruz
- 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.
- Franz, H. (1985) Beitrag zur Kenntnis der Koleopterenfauna der Galapagos-Inseln. Österr. Akad. Wissensch. Mathem.-naturw. Kl., Abt. I, 194(1-5): 73-124.
- Linsley, E.G. Usinger, R.L. (1966) Insects of the Galápagos Islands. Proceedings of the California Academy of Sciences Fourth Series 33(7): 113-196.
- Van Dyke, E.C. (1953) The Coleoptera of the Galapagos Islands. Occasional Papers of the California Academy of Sciences 22: 1-181.
- 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.
- Peck, S.B. Kukalová-Peck, J. (1990) Origin and biogeography of the beetles (Coleoptera) of the Galápagos Archipelago, Ecuador. Can. J. Zool. 68(8): 1617-1638.
- 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.
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This page should be cited as follows:
"Galapagos Species Database, Thermonectus basillaris galapagoensis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=7004. Accessed 23 June 2025.