Galapagos Species Database

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

Bifronsina bifrons (Stenhammar, 1855)

Mosca, Fly

Commonly associated with humans, feeding on decaying vegetable matter and dung (Marshall 1985).

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Insecta

Order
Diptera

Suborder
Brachycera

Family
Sphaeroceridae

Genus
Bifronsina

Species
bifrons

Taxon category: Accepted

Syn.: Spelobia bifrons (Stenhammar, 1855); PAPP (2008) elevated to genus, former subgenus of Spelobia Spuler, 1925

Origin: Introduced - established

Introduction

Year of first record: 1989

Mode of introduction: Accidental

Introduction Pathway: Contaminant

Subpathway: On habitat material (soil, vegetation)

Introduced status: Naturalized

Invasive status: Unlikely to become invasive

Distribution

Distribution: Cosmopolitan; Santa Cruz.

References

  • Marshall, S.A. Rohácek, J., Dong, H., Buck, M. (2011) The state of Sphaeroceridae (Diptera: Acalyptratae): a world catalog update covering the years 2000–2010, with new generic synonymy, new combinations, and new distributions. Acta Entomologica Musei Nationalis Pragae.51(1), pp. 217–298
  • Papp, L. (2008) New genera of the Old World Limosininae (Diptera, Sphaeroceridae) Acta Zoologica Academiae Scientiarum Hungaricae 54(supplement 2): 47–209.
  • 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, Bifronsina bifrons", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=24723. Accessed 21 August 2025.