Synonyms and other taxonomic changes
Tinea biflavimaculella, Monopis insignisella, Monopis biflavimaculella, Blabophanes distincta, Monopis halospila
8 to 10 mm. Wingspan 15 to 20 mm.
Head: Head pale orange-yellow, long haired (scaled). Palpi pale yellowish, long, folded; underside dark brown.
Antenna: 1st half dark, rest lighter.
Thorax: Dark brown with a pale spot at tip.
Wings: Blue-black. Smaller white triangular patch at mid wing along costa edge. Small semi-hyaline spot just above patch. Another smaller white patch on inner margin near wing tip (tornal or anal angle). Fringe brown with white flecks mixed in. Hind wings grey.
Legs: Mixed brown and white. Hind thigh (femora) feathered, white. Feet white.
Abdomen: Dark grey.
Debris, animal and vegetable matter, fungus.
Holotype as Tinea biflavimaculella by Clemens, 1859. Locality: Unknown. In the United States National Museum, Smithsonian.
Proceedings of the Academy of Natural Sciences of Philadelphia, 1859, Vol. 11, pg. 257 by Clemens.
Proceedings of the Academy of Natural Sciences of Philadelphia, 1860, Vol. 12, pg. 433 by Stainton (London).
Proceedings of the Entomological Society of Philadelphia, 1863-64, vol. 2, pg. 415 by Clemens.
Transactions of the American Entomological Society, 1882-83, Vol. 10, pg. 170 by Walsingham.
Proceedings of the Entomological Society of Washington, 1901-03, Vol. 5: Notes on Brackenridge Clemens’ Types of Tineina by August Busck.
Proceedings of the United States National Museum, 1904 Vol. 27, pg. 775 by Busck.
Transactions of the American Entomological Society, 1905, Vol. 31, pg. 31: American Lepidoptera by William G. Dietz.
Cornell University Agricultural Experiment Station, 1923, Memoir #68: Lepidoptera of New York and Neighboring States by William T. M. Forbes.