Can chemicals be injected into the tree to kill the beetle rather than cutting the trees?
A systemic insecticide, imidacloprid, is being field tested in Chicago during the Spring of 2000. Uninfested trees adjacent to infested trees were treated by soil injection or tree injection. The insecticide is expected to be effective against adult beetles, when they feed on the twigs, and against newly hatched larvae, when they feed in the phloem.
