Thaumatopsis pexellus

Thaumatopsis pexellus, the woolly grass-veneer, is a moth in the family Crambidae. It was described by Zeller in 1863.[1] It is found in most of North America.[2] The habitat consists of grasslands.

Thaumatopsis pexellus
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Crambidae
Genus:
Thaumatopsis
Species:
T. pexellus
Binomial name
Thaumatopsis pexellus
(Zeller, 1863)
Synonyms
  • Crambus pexellus Zeller, 1863
  • Crambus macropterellus Zeller, 1863
  • Thaumatopsis longipalpus Morrison, 1874
  • Ubida pexellus strictalis Dyar, 1914
  • Thaumatopsis idion Dyar, 1919

The wingspan is 21–32 mm. The forewings are yellowish grey with a whitish line, the outer half bounded above by a thicker dark brown line. There is a terminal row of three to five dark dots.[3] Adults are on wing from July to early September in most of the range.

The larvae feed on various grasses.[4]

Subspecies
  • Thaumatopsis pexellus pexellus
  • Thaumatopsis pexellus coloradella Kearfott, 1908 (Colorado, California, Alberta)
  • Thaumatopsis pexellus gibsonella Kearfott, 1908
  • Thaumatopsis pexellus strictalis (Dyar, 1914) (Mexico)
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References
  1. "global Pyraloidea database". Globiz.pyraloidea.org. Retrieved 2014-07-15.
  2. mothphotographersgroup
  3. University of Alberta E.H. Strickland Entomological Museum
  4. Bug Guide


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