The difference between Delta Dust and Alpine Dust are the active ingredients. Delta Dust is waterproof and contains deltamethrin. Alpine is a reduced risk dinotefuran dust. Both will last many months in undisturbed voids and treat many insects.
Delta Dust is not considered a repellent. It will kill ants that come in contact with it, but will not stop them from coming. Please be sure to check out our Ant Guide for the moest effective treatment options.
We do not advise using Delta Dust to target bird mites. Please review to our guide on How to Eliminate Bird Mites for further information on how to properly treat your area.
The shelf life of Delta Dust is 3 years form purchase date. It should still be effective, as long as it was properly stored in a dry, moderate temperature area.
Yes, we recommend wearing Personal Protection Equipment as Delta Dust Insecticide is a professional grade product.
Yes, you can apply Delta Dust Insecticide in furniture under the cushions, at furniture joints, and behind fabric tacking. We recommend using a hand duster such as the B&G Bulb Duster 1150 when applying insecticide dusts. Be sure that you do not apply dust directly on skin contact areas. Excess dust can be wiped up with a damp paper towel.
Delta Dust Insecticide is actually the most recommended dust for cicada killer wasps holes as it is 100% waterproof so will still work when wet.
While we cannot comment specifically on another person's application, it's not illegal to apply Delta Dust Insecticide in the rain. Delta Dust Insecticide is waterproof. Our concern is that if the rain storm was bad enough, it could potentially wash the product away.
How quickly Delta Dust Insecticide will kill a cicada killer wasp is dependent on how much dust the wasp picks up on its body and the size of the of the insect. Typically dust can kill an insect in as little as an hour or as long as 24 hours or more depending on these factors.