The Permethrin and Sevin products I consider to be less toxic to non-target organisms such as birds, than Diazinon. Permethrin can last up to 4 weeks depending on the product, but tends to be more expensive. As with any pesticide read the label carefully for application directions. The person who is applying the chemical is at the greatest risk for pesticide poisoning. Make sure that all protective precautions are followed as per the label.
Ants really cause little harm and are fun to watch.
Don't need to kill all of 'em. Our expert's suggestions should not be construed as medical opinions aimed at establishing a diagnosis or course of treatment. Individuals under active treatment should not construe information contained in this column as replacing or superseding recommendations of their clinicians. Our expert's suggestions should not be construed as legal opinions aimed at determining a course of legal action.