Galapagos Species Database

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

Cosmopterix yvani Landry, 2001

Polillas de cosmet, Cosmet moth

MALE (n=11) (figs 1, 9, 10). Head brown with three longitudinal white lines reaching posterior margin of head: one on each side from antenna along upper side of eye and one medially from about anterior margin of eye; with a few white scales before antenna; frons paler brown than occiput and shining. Haustellum and maxillary palpus pale beige. Labial palpus with six thin longitudinal stripes: three white and three brown on segment II, and two of each color on segment III. Antenna from apex with two dark-brown flagellomeres, two white, five dark brown, one white, one dark brown, two white, three dark brown sometimes with white scales ventrally, rest (including scape) longitudinally lined with white and dark brown but some flagellomeres may lack white scales of second row. Thorax brown with three thin longitudinal white lines: one on each side laterally on medial side of tegula, prolonging lateral white lines of head, and one medially from base to posterior margin. Foreleg coxa laterally dark brown at base to pale greyish brown toward apex, pale greyish brown medially; femur mostly dark brown, with three short white stripes apically, with pale greyish-brown stripe medially; tibia dark brown with longitudinal white stripe laterally; tarsomeres I-III as tibia, tarsomere IV without white, tarsomere V white apically. Midleg coxa beige; femur greyish brown with few white scales apically; tibia dark brown with diagonal white lines at base, middle, and apex; tarsomeres dark greyish brown dorsally, beige ventrally, with a few white or off-white scales at apex of tarsomeres I-II, and V (Landry, 2001).

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Insecta

Order
Lepidoptera

Superfamily
Gelechioidea

Family
Cosmopterigidae

Genus
Cosmopterix

Species
yvani

Taxon category: Accepted

Origin: Endemic

Distribution

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

Distribution: Floreana, Isabela, Pinta (Landry, 2001), Marchena (Roque, 2006).

References

  • Landry, B. (2001) The Cosmopterigidae (Lepidoptera) of the Galápagos Islands, Ecuador. Rev. Suisse Zool. 108(3): 513-539.
  • Landry, B. Roque-Albelo, L. (2008) Additions to the Cosmopterigidae (Lepidoptera) of the Galapagos Islands, Ecuador, with description of a new species of Stilbosis Clemens. Revue Suisse de Zoologie 115(2): 303-309.
  • Roque-Albelo, L. (2006) Diversity and ecology of the Lepidoptera in the Galápagos Islands, Ecuador Cardiff University (United Kingdom)
  • Roque-Albelo, L. Landry, B. (2016) CDF Checklist of Galapagos Butterflies and Moths Charles Darwin Research Station, Puerto Ayora, Ecuador, 32 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, Cosmopterix yvani", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=5746. Accessed 31 October 2026.