Synonyms and other taxonomic changes
Exyra ridingsii (Riley, 1874)
Xanthoptera ridingsii Riley, 1874
* phylogenetic sequence #931190
wingspan 24-31 mm; average 30 mm
Adults - forewing typically light yellow with 3 dark brown bands across basal two-thirds of wing, and distal third of wing dark brown; some individuals have only 2 or 1 dark band(s), accompanied by a larger amount of solid brown; hindwing dull yellow basally, dark brown distally in typical form, or completely dark in some individuals; top of head and anterior portion of thorax blackish with V-shaped posterior margin; posterior portion of thorax light yellow.
North Carolina to Florida and Alabama.
Bogs and damp areas where hostplant grows; adults may be found resting inside the tanks of Yellow Pitcherplants.
larvae feed mainly on the leaves of Yellow Pitcherplant
) and sometimes Sarracenia minor
forewing is bright yellow in basal half, and dark gray in distal half.
) has no black on the top of the head and thorax.
Lafontaine, J. D. & R. W. Poole 1991. Moths of America North of Mexico, Fascicle 25.1: p.77; pl.1.51-52
[fig 19] by Hampson (U. of Massachusetts)
synonyms and distribution
plus food plant and links to images, references (Markku Savela, FUNET)