Galapagos Species Database

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

Strumigenys louisianae Roger, 1863

hormiga, Ant

Strumigenys louisianae workers tending a nest, Bellavista, Santa Cruz Island, Galapagos Photo: Henri Herrera, CDF.
Strumigenys louisianae workers tending a nest, Bellavista, Santa Cruz Island, Galapagos Photo: Henri Herrera, CDF.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Insecta

Order
Hymenoptera

Suborder
Apocrita

Superfamily
Vespoidea

Family
Formicidae

Section
Dacetini

Genus
Strumigenys

Species
louisianae

Taxon category: Accepted

Origin: Introduced - established

Introduction

Year of first record: 1975

Mode of introduction: Accidental

Introduction Pathway: Stowaway

Subpathway: Hitchhiker on transport vehicles/cargo

Introduced status: Naturalized

Invasive status: No data

Distribution

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

Distribution: Isabela, Floreana, Santa Cruz, San Cristobal and Santiago

References

  • von Aesch, L. Cherix, D. (2005) Introduced Ant Species and Mechanisms of Competition on Floreana Island (Galápagos, Ecuador) (Hymenoptera: Formicidae). Sociobiology 45(2): 463-481.
  • Herrera, H. W., Baert, L., Dekoninck, W., Causton, C. E., Sevilla, C. R., Pozo, P., & Hendrickx, F. (2020) Distribution and habitat preferences of Galápagos ants (Hymenoptera: Formicidae) Belgian Journal of Entomology 93: 1–60.
  • Herrera, H. W., Tocora, M. C., Fiorentino, G., Causton, C. E., Dekoninck, W., & Hendrickx, F. (2024) The ants of the Galápagos Islands (Hymenoptera, Formicidae): a historical overview, checklist, and identification key. ZooKeys, 1191, 151.
  • Roger, J. (1863) Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Ergänzung einiger früher gegebenen Beschreibungen. Berliner Entomologische Zeitschrift 7:131-214.

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, Strumigenys louisianae", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=6973. Accessed 10 June 2025.