Galapagos Species Database

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

Olfersia aenescens Thomson, 1869

mosca, fly

Parasite of oceanic fish-eating birds, including boobies (Sula) and albatross (Diomedea) (Bequaert 1957). This species has also been recorded on Creagrus furcatus and Larus fuliginosus (NMNZ).

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Insecta

Order
Diptera

Suborder
Brachycera

Family
Hippoboscidae

Genus
Olfersia

Species
aenescens

Taxon category: Accepted

Syn: diomedae Coquillett 1901a: 379 (Pseudolfersia); erythropsis Bigot 1885: 239.

Origin: Native

Distribution

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

Distribution: Tropicopolitan; Española, Genovesa, Isabela, Marchena, Rábida, Santa Cruz, Seymour.

References

  • 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
  • Sinclair, B.J. Peck, S.B. (2005) An annotated checklist of the Diptera of the Galápagos Archipelago (Ecuador). Charles Darwin Research Station, unpublished, 64 pp.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, Olfersia aenescens", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=6712. Accessed 2 November 2026.