Plumeria Mary Ellen Eggenberger: Plumerias are not often bothered by insect pests, but if your tree shows signs of damage from spider mites, white flies, thrips, scale or mealy bugs, spray your tree with a sharp stream of water to remove insects, and then spray insecticidal soap every other day until the insects are gone. For severe infestations, Maui Plumeria Gardens recommends Malathion or another appropriate chemical product designed for controlling the problem insect.
