Methods and compositions based upon natural aromatic aldehydes are
provided, which find use as pesticides. The pesticides are formulated in a
variety of ways, including dusts, sprays, shampoos and soaps, and can be
bound to a solid support or provided as bait or directly impregnated into
organic matter infested by or susceptible to infestation by a target pest.
Pests controlled include mosquitos, lice, ants, cockroaches, lice, and
ticks.