Citrus-oil products, pyrethrin products, as well as those with pyrethrins and diatomaceous earth, may be effective. |
Resmethrin, the active ingredient in Scourge, is a pyrethroid, which is a synthetic form of pyrethrin. |
If the infestation is severe, topically administered permethrin, pyrethrin, or malathion also may help. |
Permethrin is a synthetic and less allergenic version of the natural chemical pyrethrin, derived from chrysanthemums. |
I run to the house and return with my pyrethrin spray, foaming the rose until the beetles slide to the ground. |
Treatment is normally in the form of a highly toxic pesticide, normally Ivermectin, Slice, or pyrethrin. |