The larvae feed on various plants and have been recorded on Acer, Eupatorium, Helianthus, Dianthus caryophyllus, Helianthemum, Hypericum perforatum, Rhododendron, Trifolium, Sassafras, Gossypium hirsutum, Gossypium thurberi, Fragaria, Prunus persica, Rosa and Citrus species.
Other insect groups on the site are less well surveyed, but several rare species have been noted, including for six species of weevil Curculionoidea, eight species of plant bugs, Hemiptera and Homoptera; and two species of Chrysomelid beetle, Apthona herbigrada and Mantura matthewsii, both of which feed on the rock rose Helianthemum.