(From: A Catalogue of the Butterflies of the United States and Canada, Jonathan P. Pelham)
Genus Echinargus Nabokov, 1945
Psyche 52(1/2): 27-28. Type-species: Lycaena isola Reakirt, [1867], Proc. Acad. Nat. Sci. Philad. 18(3): 332, no. 28, by original designation. K. Johnson and Bálint (1995), Reps. Mus. Nat. Hist. Univ. Wisc. (Stevens Point) (54): 1-15, placed this genus in the Polyommatus section.
Echinargus isola (Reakirt, [1867])
Proc. Acad. Nat. Sci. Philad. 18(3): 332, no. 28.
Original Combination: Lycaena isola
Type Locality: “Mexico (near Vera Cruz)” [Veracruz]
Types: Syntype said to be in FMNH, but possibly lost.
= nyagora (Boisduval, 1870)
Consid. Lépid. Guat.: 17.
Original Combination: Lycaena Nyagora
Type Locality: “Mexique...Honduras”; lectotype from “Mex.” [Mexico]
Types: Lectotype (#265591) in BMNH, designated by Bálint (1999), Neue Entomol. Nachr. 46: 8.
= alce (W. H. Edwards, 1871)
Trans. Am. Entomol. Soc. 3(3/4): 266, 272-273, no. 11.
Original Combination: Lycaena Alce
Type Locality: “Colorado”; defined as “Turkey Creek, Jefferson Co. and Georgetown, Clear Creek Co.” by F. Brown (1934), J. N. Y. Entomol. Soc. 42(2): 162; subsequently defined as “vicinity of Turkey Creek Junction on the old stage road between Denver and the mining fields of northern South Park” by F. Brown (1970), Trans. Am. Entomol. Soc. 96(3): 363; neotype from “Larkspur, Douglas Co., Colorado.”
Types: Neotype in CMNH, designated by F. Brown (1970), Trans. Am. Entomol. Soc. 96(3): 365, fig. 5 ♀ D&V.
Lamas (2004g), Atl. Neotrop. Lepid. Chcklst. Part 4A: 139, treated this
taxon as a synonym of E.
isola.
