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Poladryas m. minuta (W. H. Edwards, 1861)
(Dotted Checkerspot)

Pinned Specimens photo collection:


Immatures photo collection:

Distribution and Larval Foodplants:

far SE CO, E NM, N & W TX, NE Mexico
Larval Foodplants: Scrophulariaceae: Penstemon albidus Nutt., Penstemon cobaea Nutt., Penstemon jamesii Benth.


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

Genus Poladryas Bauer, 1961

In: P. Ehrlich and A. Ehrlich, How Know Butts.: 109, 130. Type-species: Melitaea pola Boisduval, 1869, Annls. Soc. Entomol. Belg. 12: 56, no. 44, by original designation. Bauer misidentified Melitaea arachne W. H. Edwards, 1869, Trans. Am. Entomol. Soc. 2(4): 372, as pola, as determined by F. Brown (1965), J. Lepid. Soc. 19(4): 206-207, fig. 2, and J. Emmel et al. (1998), Syst. W. N. Am. Butts. (2): 32, figs. 243 ♂ D, 244 ♂ V. This is a case of a misidentified type species. The type-species is Melitaea arachne W. H. Edwards, 1869, as designated by Pelham (2008), J. Res. Lepid. 40: 370 (under Code Article 70.3).


Poladryas minuta (W. H. Edwards, 1861)


Poladryas minuta minuta (W. H. Edwards, 1861)

Proc. Acad. Nat. Sci. Philad. 13(6): 160, 161, no. 2.

Original Combination: Melitaea minuta

Type Locality: “Texas”; neotype from “Comfort, Texas.” [Kendall County]

Types: Neotype in CMNH, designated by F. Brown (1966), Trans. Am. Entomol. Soc. 92(3): 417, fig. 20, ♂ D&V; figured by Mead (1875), Rep. Coll. diurn. Lepid. 5(Zool.): pl. 36, figs. 1 ♂ D, 2 ♂ V, and W. Holland (1931), Butt. Book (rev. ed.): pl. 58, fig. 12 ♂ V.

                   =    approximata (Strecker, 1900)

Lepid. Rhop. Het. (suppl. 3): 23.

Original Combination: Melitaea Approximata

Type Locality: “Texas”

Types: Syntypes in FMNH.


Barnes, William and James Halliday McDunnough. 1916. Notes on North American diurnal Lepidoptera. Contributions to the Natural History of the Lepidoptera of North America 3(2): 49-156, 8 pls. {15 Dec 1916} 

Brown, Frederick Martin. 1966. The types of the nymphalid butterflies described by William Henry Edwards--Part II, Melitaeinae. Transactions of the American Entomological Society 92(3): 357-468, 34 figs. {Sep, 20 Oct 1966} 

Comstock, John Adams. 1918. Notes on the Pola-Minuta group of Melitaeas, with description of a new species. Lepidopterist 2(7): 55. {25 Jul 1918}; (9/10): 70-73; 1 pl.; (11): figs. 1, 2, 3. {25 Oct 1918} 

Edwards, William Henry. 1861. Descriptions of certain species of diurnal Lepidoptera found within the limits of the United States and British America. Proceedings of the Academy of Natural Sciences of Philadelphia 13[6]: 160-164. {Jul (pre-print [Aug]); paper [27 Dec] 1861} [description of Melitaea minuta

Edwards, William Henry. 1879. Notes upon the preparatory stages of certain species of butterflies, no. 2. Canadian Entomologist, 11(8): 141-143. {Aug 1879} 

Ferris, Clifford Duras and Frederick Martin Brown. 1981. Butterflies of the Rocky Mountain States. Oklahoma; Univ. Oklahoma Press: 442 pp., 4 cpls., many figures [contributions from Donald Eff, Scott Ellis, Michael Fisher, Lee D. Miller, James Scott and Raymond Stanford] {1981} 

Fisher, Michael S. 2006. The butterflies of Colorado. Nymphalidae ‑ Part 3. The subfamily Nymphalinae and relatives. The checkerspots, crescentspots and the true nymphs. Fort Collins; Lepidoptera of North America 7.3; Contributions of the C. P. Gillette Museum of Arthropod Diversity, Colorado State University: vi + 120 pp., photos. {30 Sep 2006} 

Hoffmann, Carlos Christian. 1940. Catálogo systemático y zoogeográphico de los Lepidópteros Mexicanos, Primera parte. Papilionoidea. Anales del Instituto de Biología. Universidad Nacional de México 11(2): 639-739, 2 maps. {[after 28 Dec] 1940} 

Holland, William Jacob. 1931. The butterfly book. New and thoroughly revised edition.  A popular and scientific manual, describing and depicting all the butterflies of the United States and Canada. Garden City, New York; Doubleday, Doran & Co.  xii + 424 pp., 77 pls., 198 + [1] text figures. {1931}

Mead, Theodore Luqueer. 1875. Chapter VIII. Report upon the Collections of Diurnal Lepidoptera made in portions of Nevada, Utah, Colorado, New Mexico, and Arizona during the years 1871, 1872, 1873, and 1874, with notes upon all species known to inhabit Colorado. Pp. 739-791, pls. 35-40, in: George M. Wheeler (and A. A. Humphreys), Report upon Geological Explorations and Surveys West of the One Hundredth Meridian. Washington, D.C.; Government Printing Office; Engineer Dept., U. S. Army: [212] pp., [8] leaves of pls. {1875} 

Scott, James A. 1992. Hostplant records for butterflies and skippers (mostly from Colorado) 1959-1991, with new life histories and notes on oviposition, immatures, and ecology. Papilio (New Series) 6: 1-171, 10 tbls. {5 Jul 1992} 

Scott, James A. 2006. Poladryas minuta/arachne classification. Pp. 35-36, in: J. Scott (Ed.), Taxonomic studies and new taxa of North American butterflies. Papilio (New Series) 12 {28 Apr 2006} 

Seitz, Adalbert. 1913. 3. Gattung Melitaea. In: A. Seitz (Ed.), Gross-Schmetterlinge der Erde 5(182): 429-432; (187): 433-434; pl. 88 {1913} 

Strecker, Ferdinand Heinrich Herman. 1874. Supplement 3: 13-37, in: Lepidoptera, rhopaloceres and heteroceres, indigenous and exotic; with descriptions and colored illustrations. Reading, Pennsylvania; Private. {[13 Mar] 1900} [description of Melitaea Approximata]

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