Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Pteronemobius santacruzensis
Ground Cricket
Scavenger; pampa zone only, 600-800 m. February-June; often caught in pit traps. Wings are reduced and function only in stridulating in the males. The species are very similar and do not differ in genitalia, but do differ in calling song. The genus probably colonized in a flightless condition and both species descended from a common ancestor. The ancestor may have colonized in the arid zone, but the daughter species now occur only in the upper pampa zone of the two separate islands.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Orthoptera
Suborder
Ensifera
Superfamily
Grylloidea
Family
Gryllidae
Genus
Pteronemobius
Species
santacruzensis
Taxon category: Accepted
Origin: Endemic
Map of specimen collection localities or observation records for this species in our collections database.
- Otte, D. Peck, S.B (1998) Crickets of the Galapagos Islands, Ecuador (Orthoptera: Gryllidae: Nemobiinae and Trigonidiinae). Journal of Orthoptera Research 7: 231-240.
- Peck, S.B. (2001) Smaller Orders of Insects of the Galápagos Islands, Ecuador: Evolution, Ecology, and Diversity. NRC Research Press, Ottawa, Ontario, Canada, 278 pp.
You are welcome to download and use the information found in this page, acknowledging its source.
This page should be cited as follows:
"Galapagos Species Database, Pteronemobius santacruzensis", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=6860. Accessed 4 June 2026.