Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Piestus pygmaeus
escarabajo
Saprophagous; transition to pampa and agriculture zones; January, March–June; under bark, beating, malaise and FIT.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Suborder
Polyphaga
Superfamily
Staphylinoidea
Family
Staphylinidae
Genus
Piestus
Species
pygmaeus
Taxon category: Accepted
Origin: Introduced - established
Year of first record: 1985
Mode of introduction: Accidental
Introduction Pathway: Contaminant
Subpathway: On habitat material (soil, vegetation)
Introduced status: Naturalized
Invasive status: No data
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Santa Cruz
- Peck, S.B. Heraty, J., Landry, B. & Sinclair, B.J. (1998) Introduced insect fauna of an oceanic archipelago: The Galápagos Islands, Ecuador. Am. Entomol. 44: 218-237.
- 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. (1996) Origin and development of an insect fauna on a remote archipelago: The Galápagos Islands, Ecuador. In: Keast A., Miller S.E. (eds.): The origin and evolution of Pacific Island biotas, New Guinea to eastern Polynesia: patterns and processes. SPB Academic Publishing, Amsterdam, The Netherlands, p. 91-122.
- Peck, S.B. (1993) New beetle records from the Galapagos Islands, Ecuador (Coleoptera). Coleopterists Bull. 47(2): 151-157.
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This page should be cited as follows:
"Galapagos Species Database, Piestus pygmaeus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=11413. Accessed 31 October 2026.