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Megathymus ursus deserti R. Wielgus, J. Wielgus & D. Wielgus, 1972
(Ursine Giant-Skipper)

Type Specimens photo collection:


Distribution and Larval Foodplants:

E Maricopa Co., AZ


(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

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.


Megathymus ursus deserti R. Wielgus, J. Wielgus & D. Wielgus, 1972

Bull. Allyn Mus. (9): 1-4, figs. 1 ♀ D, 2 ♀ V (holotype); 3 ♂ D, 4 ♂ V.

Original Combination: Megathymus ursus deserti

Type Locality: “Arizona, Maricopa County, 1/2 - 1-1/2 miles north of Camp Creek on road to Seven Springs, 3500-3680 feet elevation”

Types: Holotype in LACM.



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