Yes, you may use the Fenvastar EcoCap from the New York Wasp and Hornet Control Kit to help prevent wasps in the areas that you treat. FenvaStar EcoCap has a 30 day outdoor residual and 90 day indoor residual for most insect treatments. The PT Wasp Freeze II Aerosol is a contact kill product, so it will not leave a residual to continue to target the wasps or prevent them from going to the area where it has been sprayed. You will use the Wasp Freeze to directly spray the wasps for a quick knockdown.
Yes, the New York Wasp and Hornet Control Kit is pet safe if used as directed. Pets must be kept out of the area while products are being applied, but can safely return once the area is dry.