Galapagos Species Database

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

Xyonysius naso (Van Duzee, 1933)

Chinche de la semilla, Seed bugs, milkweed bugs

Phytophagous seed predator?; arid to evergreen shrub zones; host plants: Scalesia affinis, S. gummifera, S. helleri; May-July.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Insecta

Order
Hemiptera

Suborder
Heteroptera

Superfamily
Lygaeoidea

Family
Lygaeidae

Section
Metrargini

Genus
Xyonysius

Species
naso

Taxon category: Accepted

The closest relative to this species sems to be Xyonysius acticola Baranowski and Slater (1997) of the Turks and Caicos Islands, at the southern end of the Bahamas Island group.

Origin: Endemic

Distribution

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

Distribution: Fernandina, Floreana, Isabela, Pinzon, Santa Cruz, and Santa Fe.

References

  • Ashlock, P.D. (1972) The Lygaeidae of the Galápagos Islands (Hemiptera: Heteroptera). Proc. Calif. Acad. Sci., Forth Series 39(8): 87-103.
  • Froeschner, R.C. (1985) Synopsis of the Heteroptera or True Bugs of the Galápagos Islands. Smithsonian Contributions to Zoology 407: 1-84.
  • Linsley, E.G. (1977) Insects of the Galápagos (Supplement). Occassional Papers of the Califoria Academy of Sciences 125: 1-50.
  • Peck, S.B. (2001) Smaller Orders of Insects of the Galápagos Islands, Ecuador: Evolution, Ecology, and Diversity. NRC Research Press, Ottawa, Ontario, Canada, 278 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, Xyonysius naso", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=11217. Accessed 2 November 2026.