Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Horismenus dennoi
Avispa parasitoide, Parasitoid wasp
Hymenoptera parasitoid. H. dennoi was found emerging from the seeds of Leucaena leucocephala and Leucaena trichodes, which contained two species of seed beetles from the genus Acanthoscelides. Reported from Mexico prior to this where it was also reported parasitizing Acanthoscelides sp.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Hymenoptera
Suborder
Apocrita
Superfamily
Chalcidoidea
Family
Eulophidae
Genus
Horismenus
Species
dennoi
Taxon category: Accepted
Origin: Introduced - established
Year of first record: 2018
Mode of introduction: Accidental
Introduction Pathway: Contaminant
Introduced status: Naturalized
Invasive status: No data
- Camacho-Erazo, M., Rodríguez-Jiménez, A., Villazón-Orozco, F. L., Amarillo-Suárez, A. R., & Herrera, H. W. (2024) New records of Chalcidoidea (Hymenoptera) parasitoids from the Galapagos Islands, Ecuador. Pan-Pacific Entomologist, 100(1), 47-54.
- Picón-Renteria, P. Herrera, H. W., Avendaño, J. M., Tocora-Protz, M. C., Restrepo, A. F. S., Fernández, F., Heraty, J.M., Buli, A.Y., Peck, S., & Sarmiento, C. E. (2026) Hymenoptera of Galápagos: diversity and distribution of one of the most species-rich insect orders in the archipelago. ZooKeys, 1294, 229-251.
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, Horismenus dennoi", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=25361. Accessed 1 November 2026.