The larvae feed on "Hedera helix". Hederagenin is a triterpenoid which is a chemical constituent of the "Hedera helix" plant. "Bryobia kissophila" is a familiar pest of common ivy ("Hedera helix"). The introduced species English ivy ("Hedera helix") has invaded one population. Mistletoe, Water Chestnut ("Trapa natans") and Ivy ("Hedera helix") were present in Denmark. Under this definition, well-known members include carrots, celery, parsley, and "Hedera helix" (English ivy). In western Europe specimens of "S. lauri" have mostly been taken from ivy ("Hedera helix"). An example of this can be observed in "Hedera helix", a species of ivy. Other examples include sloe ("Prunus spinosa") and ivy ("Hedera helix"). Some evergreen climbing plants like asparagus species and Araliaceaes as "Hedera helix", or "Hedera iberica". The larvae mainly feed on dogwood, "Rhamnus frangula", "Hedera helix", "Rhamnus cathartica", grape and honeysuckle. "Hedera helix" (English ivy), and "Delairea odorata" (cape ivy).