Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Acanthoscelides obtectus (Say, 1831)

Escarabajo, Common bean weevil

Acanthoscelides obtectus Say 1831 (ICCDRS 9541) Photo: Ashley Sheridan, CDF, 2011.
Acanthoscelides obtectus Say 1831 (ICCDRS 9541) Photo: Ashley Sheridan, CDF, 2011.

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.

Taxonomy

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

Introduction

Year of first record: 1964

Mode of introduction: Accidental

Introduction Pathway: Contaminant

Subpathway: Food contaminant

Introduced status: Naturalized

Invasive status: Lesser concern

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Santa Cruz

References

  • 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. Heraty, J., Landry, B. & Sinclair, B.J. (1998) Introduced insect fauna of an oceanic archipelago: The Galápagos Islands, Ecuador. Am. Entomol. 44: 218-237.
  • 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.
  • 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.

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, Acanthoscelides obtectus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=5485. Accessed 25 April 2025.