Galapagos Species Database

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

Drosophila willistoni Sturtevant, 1916

Mosca de la fruta, Fruit fly

Adults of this species were found in highland zones, primarily in the agricultural zone (Carson et al. 1983)

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Insecta

Order
Diptera

Suborder
Brachycera

Family
Drosophilidae

Genus
Drosophila

Species
willistoni

Taxon category: Accepted

Syn.: Drosophila willistoni quechua Ayala, 1973;

Origin: Introduced - established

Introduction

Year of first record: 1977

Mode of introduction: Accidental

Introduction Pathway: Contaminant

Subpathway: Food contaminant

Introduced status: Naturalized

Invasive status: No data

Distribution

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

Distribution: Baltra, Isabela, San Cristóbal, Santa Cruz.

References

  • Curran, C.H. (1932) The Norwegian Zoological Expedition to the Galapagos Islands 1925, Conducted by Alf Wollebæk. 4. Diptera. (Excl. of Tipulidae and Culicidae). Medd. Zool. Mus., Oslo 30: 347-366.
  • Johnson, C.W. (1924) Diptera of the Williams Galapagos Expedition. Zoologica 5(8): 85-92.
  • Linsley, E.G. Usinger, R.L. (1966) Insects of the Galápagos Islands. Proceedings of the California Academy of Sciences Fourth Series 33(7): 113-196.
  • Sinclair, B. J. (2023) An annotated checklist of the Diptera of the Galápagos Archipelago (Ecuador). Zootaxa, 5283, 1-102

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, Drosophila willistoni", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=13678. Accessed 4 November 2026.