Synonyms and other taxonomic changes
Papaipema baptisiae (Bird, 1902)
Hydroecia baptisiae Bird, 1902
Adult - forewing median area dark yellowish-orange with smooth or lustrous appearance; basal area brown; area beyond PM line purplish-brown, except for pale apical patch; basal spots yellowish-orange (same color as median ground color); orbicular and claviform spots large, white; reniform spot has several white pieces around perimeter creating a "patch"; PM line located some distance from reniform patch; hindwing pale yellowish with indistinct discal lunule, darker veins, and darker shading toward outer margin.
Ontario and Quebec to Maryland, west to Illinois and Wisconsin; also reported from Georgia, Oklahoma, and Utah; type specimen collected in Rhode Island.
Adults fly from August to October
larva inside dogbane stem; larva from Angelica atropurpurea, adult; spent pupa
) is smaller (wingspan 32 mm), forewing has "gritty" or "grainy" overall appearance, cream-colored basal spots; larger and more elongate reniform patch that is wider toward bottom; and PM line is close to -- or sometimes touching -- reniform patch (compare images
of both species at CBIF); also see photos of this and numerous related species by Jim Vargo
Bird, Henry. 1902. New histories and species of Hydroecia
. The Canadian Entomologist
, Pl. 3