Synonyms and other taxonomic changes
Vaxi auratella (Clemens, 1860)
Crambus auratella Clemens, 1860
specific epithet has been spelled auratellus by some older sources.
Explanation of Names
This species, transferred to the genus Argyria in Munroe (1995), is returned to Vaxi following the implied treatment in Léger et al. (2019), Syst. Entomol., 44(4):770, which placed Argyria in the tribe Argyriini and Vaxi in the tribe Calamotrophini, stat. rev.
One of three species in this genus in North America.
Adult: forewing white with median orange or yellowish band; band widens toward inner margin where it connects with narrow terminal line and fringe of same color
Eastern United States and southeastern Canada: Quebec and Maine to Florida, west to Texas, north to Manitoba; also occurs in California.
Wet prairies and meadows; adults may be seen flying during the day and are also attracted to light.
Adults fly from March to July in the south; June to August in the north.
Vaxi critica is similar but its forewing orange band does not widen toward inner margin.
Léger, T., B. Landry & M. Nuss, 2019. Phylogeny, character evolution and tribal classification in Crambinae and Scopariinae (Lepidoptera, Crambidae). Systematic Entomology, 44(4): 757-776