Thaumatopsis pexellus pexellus
Thaumatopsis pexellus coloradella Kearfott, 1908 (Colorado, California, Alberta)
Thaumatopsis pexellus gibsonella Kearfott, 1908
Thaumatopsis pexellus strictalis (Dyar, 1914) (Mexico)
Thaumatopsis pexellus Wikipedia
Thaumatopsis pexellus, the woolly grass-veneer, is a moth in the Crambidae family. It was described by Zeller in 1863. It is found in most of North America. The habitat consists of grasslands.
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. Adults are on wing from July to early September in most of the range.
The larvae feed on various grasses.