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Cercyonis sthenele silvestris (W. H. Edwards, 1861)
(Great Basin Wood-Nymph)

Pinned Specimens
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Live Adults
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Larval Foodplants and Habitats
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(From: A Catalogue of the Butterflies of the United States and Canada, Jonathan P. Pelham)


Genus Cercyonis Scudder, 1875

Bull. Buffalo Soc. Nat. Sci. 2(4): 235, 241, no. 5. Type-species: Papilio alope Fabricius, 1793, Entomol. Syst. 3(1): 229, no. 715 (= Papilio pegala Fabricius, 1775, Syst. Entomol.: 494, no. 223; subspecies), by original designation.


Cercyonis sthenele (Boisduval, 1852)                                                          

Annls. Soc. Entomol. Fr. (2)10(2): 308-309, no. 59; figured by Oberthür (1914), Étud. Lépid. Comp. 9(2): pl. 260, figs. 2182 ♂ D&V (lectotype), 2183 ♀ D&V.

Original Combination: Satyrus Sthenele

Type Locality: “Californie” implied from the title of the paper; suggested to be “San Franciso” by F. Brown [1966], J. Res. Lepid. 4(2): 141; further defined as “San Francisco, San Francisco County, California” by J. Emmel et al. (1998), Syst. W. N. Am. Butts. (2): 19.

Types: Lectotype in USNM, designated by F. Brown [1966], J. Res. Lepid. 4(2): 141, fig. 3 ♀ D&V; figured by J. Emmel et al. (1998), Syst. W. N. Am. Butts. (2): figs. 114 ♂ D, 115 ♂ V.


Cercyonis sthenele silvestris (W. H. Edwards, 1861)

Proc. Acad. Nat. Sci. Philad. 13(6): 160, 162-163, no. 5; figured by W. H. Edwards (1895), Butts. N. Am. 3(16): pl. Satyrus 3, figs. 5 ♂ V.

Original Combination: Satyrus Silvestris

Type Locality: “California”; defined as “two air miles southwest of Pulga, north Fork Feather River Canyon, Butte County, California” by T. Emmel and J. Emmel (1998), Syst. W. N. Am. Butts. (9): 121.

Types: Lectotype in CMNH, designated by F. Brown (1964), Trans. Am. Entomol. Soc. 90(4): 362, fig. 12 ♂ D&V.

                   =    okius (Oberthür, 1914)

Étud. Lépid. Comp. 9(2): 79, pl. 260, figs. 2184 ♂ D&V; cited Boisduval (1852), Annls. Soc. Entomol. Fr. (2)10(2): 307.

Original Combination: [Satyrus Ariane] Okius

Type Locality: “Californie” implied from the citation of Boisduval’s paper.

Types: Holotype probably in USNM.

This taxon seems best placed here for the present, but it may be a senior synonym of C. s. sineocellata.



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