Neominois ridingsii

Neominois ridingsii, or Ridings' satyr,[2] is a species of butterfly in the family Nymphalidae. It is found from southern Alberta, Saskatchewan and Manitoba south to the Guadalupe and Catron counties of New Mexico, and west to the central Sierra Nevada of California and central Oregon.[3] The habitat consists of short-grass prairie, intermountain areas and grasslands with some areas of bare soil.

Neominois ridingsii
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Nymphalidae
Genus:
Neominois
Species:
N. ridingsii
Binomial name
Neominois ridingsii
Synonyms
  • Satyrus ridingsii W.H. Edwards, 1865
  • Hipparchia (Neominois) ridingsii wyomingo Scott, 1998
  • Chionobas stretchii W.H. Edwards, 1870
  • Neominois dionysus Scudder, 1878
  • Satyrus ashtaroth Strecker, [1878]

The wingspan is 38–56 mm. The upperside is gray with cream-colored patches across both wings. The forewing has two black spots. The underside is similar but lighter. Adults are on wing from June to July in one generation per year.[4] Adults seldom feed, but if they do, they favor nectar of yellow composites.

The larvae feed on Bouteloua gracilis. Third- and fourth-instar larvae overwinter.

Subspecies
  • Neominois ridingsii ridingsii (Colorado)
  • Neominois ridingsii coloalbiterra Garhart & M. Fisher, 2008 (Colorado: Roan Cliffs)
  • Neominois ridingsii curicata M. Fisher, Scott & Garhart, 2008 (Colorado: upper Gunnison River Valley)
  • Neominois ridingsii minimus Austin, 1986 (southern Alberta east to south-western Manitoba, northern Montana and western North Dakota)
  • Neominois ridingsii neomexicanus Austin, 1986 (south-central Arizona, New Mexico)
  • Neominois ridingsii pallidus Austin, 1986 (Sierra Nevada in California and Nevada, from northern to central Oregon)
  • Neominois ridingsii stretchii (W.H. Edwards, 1870) (western Wyoming to western Colorado and from Washington to south-eastern Oregon Nevada and northern Arizona)
  • Neominois ridingsii wyomingo (Scott, 1998) (northern Colorado, Wyoming, Montana, Utah)

References
  1. "Neominois Scudder, 1875" at Markku Savela's Lepidoptera and Some Other Life Forms
  2. William H. Edwards (1865) "Description of certain species of diurnal Lepidoptera found within the limits of the United States and British America" Proceedings of the Entomological Society of Philadelphia
  3. A new species of Neominois from northeastern Mexico (Lepidoptera: Nymphalidae: Satyrinae)
  4. "Butterflies and Moths of North America". Archived from the original on 2012-01-30. Retrieved 2013-01-10.


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