Gyrocheilus

Gyrocheilus is a monotypic genus in the nymphalid subfamily Satyrinae.[1] The single contained species is Gyrocheilus patrobas, the red-bordered brown, which is found in North America in central and southern Arizona and Mexico.[2][1] The habitat consists of streamsides in open coniferous forests in the mountainous areas.

Gyrocheilus
Gyrocheilus patrobas
Scientific classification
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Genus:
Gyrocheilus

Butler, 1867
Species:
G. patrobas
Binomial name
Gyrocheilus patrobas
(Hewitson, 1862)
Synonyms
  • Pronophila patrobas Hewitson, 1862
  • Gyrocheilus tritonia Edwards, 1874

The wingspan is 51–60 mm. The wings are dark brown, with identical upper and lower sides. The forewing has a light brown submarginal band and three to four small white spots just inside the band. The hindwing has a wide, dull red border. There is one generation per year with adults on wing from mid-August to October.

The larvae feed on Muhlenbergia emersleyi.[3]

Subspecies

  • Gyrocheilus patrobas patrobas (Mexico)
  • Gyrocheilus patrobas tritonia Edwards, 1874 (Arizona)
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References

  1. "Gyrocheilus Butler, 1867" at Markku Savela's Lepidoptera and Some Other Life Forms
  2. Butterflies of America
  3. Butterflies and Moths of North America


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