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Agathymus gilberti H. Freeman, 1964
(Gilbert's Giant-Skipper)

Type Specimens photo collection:


Distribution and Larval Foodplants:

Brewster, Terrell and Val Verde Cos., TX


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

Genus Agathymus H. Freeman, 1959

Lepid. News 12(3/4): 82-83. Type-species: Megathymus neumoegeni W. H. Edwards, 1882, Papilio 2(2): 27-28, by original designation.


Agathymus gilberti H. Freeman, 1964

J. Lepid. Soc. 18(3): 176-178, pl. 1, 2nd row ♂ D&V, pl. 2 2nd row ♀ D&V (holotype), pl. 3, figs. 4 ♂ genitalia, 9 ♀ genitalia, 14 cremaster.

Original Combination: Agathymus gilberti

Type Locality: “14 miles north of Bracketville, Texas” [Kinney County]

Types: Holotype in AMNH.

As mentioned under Agathymus neumoegeni chisosensis (H. Freeman, 1952), chromosome numbers for various members of this complex are discordant. H. Freeman (1969), J. Lepid. Soc. 23(suppl. 1): 46, recorded a chromosome number of 22 for rindgei and 21 for gilberti. These two taxa have the same type locality and cannot be subspecies of the same species. They are either distinct species or synonyms. It is possible that there was an error in the determination of chromosome number. The species-level status of gilberti needs investigation.



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