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Digital Guide to Moth Identification

Lycaenidae 77a0625 – 4372   Glaucopsyche lygdamus (Doubleday, 1841)

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Larva and Host Plants: Host familiy: Fabaceae.  Host genera: Aeschynomene Acmispon[=Lotus] Astragalus Hedysarum Hosackia Lathyrus Lotus Lupinus Medicago Melilotu...  Host extended: vetch, peavine, and other legumes (Wagner 2005); fruits, flowers & leaves (Scott 1986a); larvae eat ...  (Kimberley & Douglas 2025) Similar Species: Pinned specimens of related species. (Hint: select View by Region on the related species page.) Synonymy: lygdamus (Doubleday, 1841) (Polyommatus) - MONA 1983: 4372 ssp. a. lygdamus (Doubleday, 1841) (Polyommatus)  boydi Clark, 1948 (Glaucopsyche) ssp. b. nittanyensis Chermock, 1945 (Glaucopsyche) ssp. c. mildredae Chermock, 1945 (Glaucopsyche) ssp. d. couperi Grote, 1873 (Glaucopsyche)  macdunnoughi dos Passos, 1964 (Glaucopsyche) emend.; TL: (no type).  mcdunnoughi Gunder, 1927 (Glaucopsyche) ssp. e. afra (Edwards, [1884]) (Lycaena) ssp. f. jacki Stallings & Turner, 1947 (Glaucopsyche)  leussleri Gunder, 1927 (Glaucopsyche) ssp. g. oro (Scudder, 1876) (Nomiades) ssp. h. erico Holland, 2011 (Glaucopsyche) ssp. i. ruidoso Holland, 2011 (Glaucopsyche) ssp. j. arizonensis McDunnough, 1936 (Glaucopsyche) ssp. k. minipunctum Austin, 1998 (Glaucopsyche) ssp. l. deserticola Austin & Emmel, 1998 (Glaucopsyche) ssp. m. australis Grinnell, 1917 (Glaucopsyche)  sinepunctata Comstock, 1926 (Glaucopsyche) ssp. n. palosverdesensis Perkins & Emmel, 1977 (Glaucopsyche) ssp. o. sabulosa Emmel, Emmel & Mattoon, 1998 (Glaucopsyche) ssp. p. xerces (Boisduval, 1852) (Lycaena) (extinct) - MONA 1983: [4373]  antiacis (Boisduval, 1852) (Lycaena)  barnesi Gunder, 1927 (Glaucopsyche)  behrii (Edwards, 1862) (Lycaena)  huguenini Gunder, 1925 (Glaucopsyche)  intermedia Chermock, 1929 (Glaucopsyche)  mertila (Edwards, 1866) (Lycaena)  polyphemus (Boisduval, 1869) (Lycaena) ssp. q. pseudoxerces Emmel & Emmel, 1998 (Glaucopsyche) ssp. r. incognitus Tilden, 1974 (Glaucopsyche)  sternitzkyi Gunder, 1929 (Glaucopsyche) ssp. s. orcus (Edwards, 1869) (Lycaena) ssp. t. columbia (Skinner, 1917) (Lycaena)

References (Caution: DNA barcoding at BOLD provides evidence of relatedness, not proof of identification; some BOLD specimens shown may not be sequenced.)

Barcode of Life (BOLD) - Caution: Identifications often erroneous; DNA barcode provides evidence of relatedness, not proof of identification; many specimens not sequenced. Shropshire, K.J. & D.W. Tallamy, 2025. Lepidoptera of North America, north of Mexico: an annotated list containing geographic ranges and host-plant records. ZooKeys, 1261: 101-113; Suppl. 1. (PDF or read online) Species Page at BugGuide.Net Species Page at iNaturalist Species Page at the Butterflies of America

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