Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Acanthoscelides obtectus
Escarabajo, Common bean weevil


A stored products pest, especially in Phaseolus beans; arid zone; January (1964 and 1989). Reared from seeds of Leucaena leucocephala (Lam.) De Wit., August 1999.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Suborder
Polyphaga
Superfamily
Chrysomeloidea
Family
Chrysomelidae
Section
Acanthoscelidini
Genus
Acanthoscelides
Species
obtectus
Taxon category: Accepted
Origin: Introduced - established
Year of first record: 1964
Mode of introduction: Accidental
Introduction Pathway: Contaminant
Subpathway: Food contaminant
Introduced status: Naturalized
Invasive status: Lesser concern
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Santa Cruz
- Amarillo-Suarez Angela R.,Camacho-Erazo, Mariana, Morse, Geoffrey, Rueda, Danny, and Herrera, Henri W. (2020) New Distribution Records and Host Plant Associations of Bruchinae (Coleoptera: Chrysomelidae) in the Galapagos Islands, with a Revised Checklist of Species and their Associated Host Plants The Coleopterists Bulletin, 74(4): 719–723.
- Kingsolver, J.M. Ribeiro-Costa, C.S. (2001) Bruchidae (Insecta: Coleoptera) of the Galápagos Islands with new host and locality records, new synonyms, and descriptions of two new species. Insecta Mundi 15: 19–30.
- 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. 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.
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This page should be cited as follows:
"Galapagos Species Database, Acanthoscelides obtectus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=5485. Accessed 4 April 2026.