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Species Trichoptilus pygmaeus - Pygmy Plume Moth - Hodges# 6101

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Pterophoroidea (Plume Moths)
Family Pterophoridae (Plume Moths)
Subfamily Pterophorinae (Five-lobed Plume Moths)
Tribe Oxyptilini
Genus Trichoptilus
Species pygmaeus (Pygmy Plume Moth - Hodges# 6101)
Hodges Number
6101
Synonyms and other taxonomic changes
Trichoptilus pygmaeus Walsingham, 1880
Identification
See the identification key for Oxyptilini.
See the species account in Barnes & Lindsey (1921)(1).
See the differential diagnosis with Trichoptilus potentellus in Lange (1939)(2).
Trichoptilus pygmaeus adults have:
  • a forewing second lobe that is narrow with an acute apex, as in Buckleria, Dejongia, and Megalorhipida, and not broader with a well developed, curved outer margin, as in Sphenarches, Geina, Capperia, and Oxyptilus.
  • a whitish brown abdomen without conspicuous white dorsal or subdorsal lines or spots, as Buckleria, Dejongia, and Megalorhipida have.
  • antennae with alternating brown and white marks, unlike in Dejongia californicus and Megalorhipida leucodactylus.
  • a small, subapical, dark scale tooth usually present on the hindwing third lobe dorsal fringe, usually absent in Trichoptilus potentellus and Buckleria parvulus.
Internet References
Works Cited
1.The Pterophoridae of America, north of Mexico
William Barnes & A. W. Lindsey. 1921. The Review Press.
2.Two new California plume moths
W. Harry Lange, Jr. 1939. Bulletin of the Southern California Academy of Sciences.