According to the manufacturer: Under normal pest situations or with maintenance applications, a treatment interval of 30 days is usually sufficient to maintain control. For heavy infestations to gain control, make two applications at 7-day intervals, then revert to maintenance application intervals. Advion WDG has a shelf life of 3-5 years depedning on how it is stored. Keep out of direct sunlight and extreme temperatures.
Yes, Advion WDG Insecticide can be used for flies.
How long it takes Advion WDG Insecticide to kill any insect including flies depends a few factors, age and health of the insect, how long they spend on the treated surface and how soon after application they contact it. Flies themselves are harder to kill as their bodies do not really crawl on surfaces where their bodies would contact it. It can take a few hours up to 24 or more to kill.
Advion WDG Insecticide is not specifically labeled for Asian Lady Beetles, however, we do offer a Overwintering Kit for Stink Bugs, Lady Bugs, and Boxelder Bugs that includes products that would work very well for Asian Lady Beetles. Please take a moment to review our Asian Lady Beetle Treatment Guide for more information on implementing a successful treatment plan.