Synonyms and other taxonomic changes
Heterophleps triguttaria Herrich-Schäffer, [1854]
Corycia hexaspilata Walker, 1866
Stegania quadrinotata Walker, 1863
Phylogenetic Sequence # 910488
Size
Wingspan averages 18-24 mm.
(1)Identification
Forewing whitish to pale yellowish-brown with three dark brown triangular spots evenly spaced along the costa.
Range
North Carolina to Colorado, north to Ontario and Quebec.
Habitat
Mesic woodlands and forests
(2)Season
The main flight period is April to September.
Food
Larvae feed on clearweed (
Pilea sp.). Reports from maple may be in error. Wagner et al (2001) write: "We attempted to rear a clutch of eggs on red and sugar maple — all the caterpillars died without feeding. The site where we discovered the figured individual has yielded more than three dozen caterpillars on clearweed."
(2)See Also
The
Three-patched Bigwing (
Heterophleps refusaria) is larger and has faint "connect-the-dots" antemedian (AM) and postmedian (PM) lines crossing the fore-wings and also may have a faint dark-blotch near the center of the fore-wings.
In the
Hydriomenini tribe, check out
Perizoma costiguttata.
In the
Ennominae subfamily, check out the
Four-spotted Macaria -
Macaria coortaria.
♂

♀
In the
Erebidae family, check out the
Lettered Zanclognatha -
Zanclognatha lituralis.
♂

♀

Print References
Herrich-Schäffer, [1854]. Samml. Aussereurop. Schmett. (I)1: pl.
41, fig. 202.