Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Sitophilus oryzae
Gorgojo, Rice weevil
Herbivore, stored products pest; arid to humid forest zones; May–July; FIT, pitfall traps, in litter, in rice.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera
Suborder
Polyphaga
Superfamily
Curculionoidea
Family
Curculionidae
Section
Rhyncophorini
Genus
Sitophilus
Species
oryzae
Taxon category: Accepted
Chamorro et al., 2021 performed the first phylogenetic analysis of Dryophthorinae (Coleoptera, Curculionidae) based on structural alignment of ribosomal DNA
Origin: Introduced - established
Year of first record: 1964
Mode of introduction: Accidental
Introduction Pathway: Contaminant
Subpathway: Food contaminant
Introduced status: Naturalized
Invasive status: Unlikely to become invasive
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Espanola, Santa Cruz, Floreana
- Chamorro, M. L. de Medeiros, B. A., & Farrell, B. D. (2021) First phylogenetic analysis of Dryophthorinae (Coleoptera, Curculionidae) based on structural alignment of ribosomal DNA reveals Cenozoic diversification. Ecology and evolution, 11(5), 1984-1998.
- 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.
- 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.
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, Sitophilus oryzae", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=6932. Accessed 3 November 2026.