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Megathymus u. ursus Poling, 1902
(Ursine Giant-Skipper)

Type Specimens photo collection:


Pinned Specimens photo collection:


Live Adults photo collection:


Immatures photo collection:

Larval Foodplants and Habitats photo collection:

Distribution and Larval Foodplants:

S AZ (Pinal, Pima, Sta. Cruz, Cochise), SW NM (Hidalgo), SON


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

Genus Megathymus Scudder, 1872

4th Ann. Rep. Peabody Acad. Sci. (1871): 83. Type-species: Eudamus (?) yuccae Boisduval & Le Conte, [1837], Hist. Lépid. Amér. sept. (23-26): pl. 70, figs. [1]-[5] ♂ [not ♀], larva and pupa, by original designation. I.C.Z.N. Opinion 483 placed this name on the Official List of Generic Names in Zoology as name no. 1222.


Megathymus ursus Poling, 1902


Megathymus ursus ursus Poling, 1902

Entomol. News 13(4): 97-98, pl. 4; this figure reproduced by W. Holland (1931), Butt. Book (rev. ed.): pl. 72, fig. 1 ♂ D.

Original Combination: Megathymus ursus

Type Locality: “Pinal County, Arizona”; defined as “Santa Catalina Mountains, west of Redington, Pima Co., Arizona” by H. Freeman (1969), J. Lepid. Soc. 23 (suppl.1): 25.

Types: Holotype in USNM.



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