Hayden's Ringlet - Coenonympha haydenii
[From Ferris and Brown 1981; Scott 1986; Opler and Wright 1999; Glassberg 2001] Forewing 1.9-2.1 cm. Pale brown (females) to dark brown (males) and immaculate on the upper surface; underside of hindwings with 6-7 small submarginal small eyespots ringed with orange.
One flight; late June to early August (Ferris and Brown 1981; Scott 1986); late June to mid-August (Opler and Wright 1999; Glassberg 2001).
The underside of hindwings with 6-7 small submarginal small eyespots ringed with orange is distinctive.
Regional endemic centered on Greater Yellowstone Ecosystem; restricted to southwestern Montana, eastern Idaho, and western Wyoming at an approximate elevation range of 2090-2750 m (Ferris and Brown 1981; Scott 1986; Opler and Wright 1999; Glassberg 2001 Debinski and Pritchard 2003; Debinski et al. 2013). In Montana, reported from most counties in the southwestern quarter of the state (Kohler 1980; Stanford and Opler 1993). Common (Glassberg 2001).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Montane meadows, clearings, bogs (Ferris and Brown 1981; Scott 1986; Glassberg 2001). In Greater Yellowstone Ecosystem (the bulk of the global range), reported predominantly in hydric and mesic meadows (less so in xeric meadows), open forest, and trailsides (Debinski and Pritchard 2002; Debinski et al. 2013).
Little information. Larval food plants include grasses, but grass species apparently not recorded (Ferris and Brown 1981; Opler and Wright 1999; Glassberg 2001; Debinski and Pritichard 2002). Adults feed on flower nectar, including Achillea, Collomia, and Senecio (Scott 1986, 2014; Debinski et al. 2013).
Little information. Oviposition probably on grasses, eggs likely laid singly on undersides of blades, and probably hibernates (overwinters) as larvae, as is the case with C. tullia (Scott 1986, 1992). Males patrol in search of females (Scott 1986).
- Literature Cited AboveLegend: View Online Publication
- Debinski, D.M. and J.A. Pritchard. 2002. A field guide to the butterflies of the Greater Yellowstone Ecosystem. Lanham, MD: Roberts Rinehart Publishers. 107 p.
- Debinski, D.M., J.C. Caruthers, D. Cook, J. Crowley, and H. Wickham. 2013. Gradient-based habitat affinities predict species vulnerability to drought. Ecology 94(5): 1036-1045.
- Ferris, C.D. and F.M. Brown (eds). 1981. Butterflies of the Rocky Mountains. Univ. of Oklahoma Press. Norman. 442 pp.
- Glassberg, J. 2001. Butterflies through Binoculars: A Field Guide to the Butterflies of Western North America. Oxford University Press.
- Kohler, S. 1980. Checklist of Montana Butterflies (Rhopalocera). Journal of the Lepidopterists' Society 34(1): 1-19.
- Opler, P.A. and A.B. Wright. 1999. A field guide to western butterflies. Second edition. Peterson Field Guides. Houghton Mifflin Company, Boston, Massachusetts. 540 pp.
- Scott, J.A. 1986. The butterflies of North America: a natural history and field guide. Stanford University Press, Stanford, California.
- Scott, J.A. 1992. Hostplant records for butterflies and skippers (mostly from Colorado) 1959-1992, with new life histories and notes on oviposition, immatures, and ecology. Papilio new series #6. 185 p.
- Scott, J.A. 2014. Lepidoptera of North America 13. Flower visitation by Colorado butterflies (40,615 records) with a review of the literature on pollination of Colorado plants and butterfly attraction (Lepidoptera: Hersperioidea and Papilionoidea). Contributions of the C.P. Gillette Museum of Arthopod Diversity. Fort Collins, CO: Colorado State University. 190 p.
- Stanford, R.E. and P.A. Opler. 1993. Atlas of western USA butterflies: including adjacent parts of Canada and Mexico. Unpubl. Report. Denver and Fort Collins, Colorado 275 pp.
- Additional ReferencesLegend: View Online Publication
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- Allen, T.J., J.P. Brock, and J. Glassberg. 2005. Caterpillars in the field and garden: a field guide to the butterfly caterpillars of North America. Oxford University Press.
- Brock, J.P. and K. Kaufman. 2003. Kaufman Field Guide to Butterflies of North America. Houghton Mifflin Company, New York, NY 284 pp.
- Additional Sources of Information Related to "Insects"