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Rhinthon osca (Plötz, 1882)
(Osca Skipper)

Pinned Specimens photo collection:

Live Adults photo collection:

Distribution and Larval Foodplants:

S TX (as stray); E & SW Mexico to Venezuela & Ecuador, Trinidad


(From: A Catalogue of the Butterflies of the United States and Canada, Jonathan P. Pelham)

  Genus Rhinthon Godman, 1900

In: Godman & Salvin, Biol. centr.-amer., Lepid. Rhop. 2(158): 530. Type-species: Proteides chiriquensis Mabille, 1889, Naturaliste (2)3(53): 127, fig. 1 (= Hesperia osca Plötz, 1882, Stettiner Entomol. Ztg. 44(1-3): 48, no. 334; synonym), by original designation.


Rhinthon osca (Plötz, 1882)

Stettiner Entomol. Ztg. 44(1-3): 48, no. 334; cited unpublished pl. 537 (557 in BMNH collection).

Original Combination: [Hesperia] Osca

Type Locality: “Caracas” [Venezuela]

Types: Holotype (#5219) in ZMHB.

This was considered a species-level taxon by L. Miller and F. Brown (1981), Mem. Lepid. Soc. (2): 30, 210, note 84, A. Warren et al. (1998), J. Lepid. Soc. 52(1): 54, A. Warren (2000), in: Llorente et al., Biodiver. Taxon. Biogeogr. Artrópod. Méx.2: 558, and other recent authors.

            =    cabella (Plötz, 1886)

Stettiner Entomol. Ztg. 47(1-3): 96-97, no. 315e; cited unpublished pl. 1419.

Original Combination: [Hesperia] Cabella

Type Locality: “Porto Cabello” [Venezuela]

Types: Type(s) may be in ZMHB or lost.

Godman (1907), Ann. Mag. Nat. Hist. (7)20(116): 152, determined this synonymy (as chiriquensis) through an examination of the unpublished drawing made by Plötz.

            =    chiriquensis (Mabille, 1889)

Naturaliste (2)3(53): 127, fig. 1 ♂ D&V.

Original Combination: Proteides Chiriquensis

Type Locality: “Chiriqui” [Panama]

Types: Holotype in ZMHB.

            =    biserta (Schaus, 1902)

Proc. U. S. Nat. Mus. 24(1262): 460.

Original Combination: Thracides Biserta

Type Locality: “Trinidad”

Types: Holotype (#6073) in USNM.



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