China aster
Callistephus chinensis latin

The larvae feed on Aster, Solidago and Callistephus chinensis.

Callistephus chinensis (Chinese Aster)

A. Your conscience is safe for the moment, even if your asters aren't, since the first and best line of defense is to stop planting China asters, Callistephus chinensis, in that spot.

The larvae feed on Calendula arvensis, Calendula officinalis, Callistephus chinensis, Centaurea cyanus, Dahlia pinnata, Emilia flammea, Erigeron canadensis, Erigeron linifolius, Helichrysum bracteatum and Senecio cruentus.