Termidor SC cannot be used indoors for roach control however can be used as an exterior perimeer foundation treatment outside the home. Termidor SC is mixed at 0.8fl oz per gallon of water and should be applied using a handpump sprayer to treat 1ft up and 1ft out from the foundation, around windows, doors, etc.
For roaches indoors, we would suggest one of our Roach Control Kits for a complete treatment as it takes a combination of insecticide, insect growth regulator and roach bait along with repeat treatments to eradicate. Please read over our Roach Control Guide to learn how to successfully control roaches:
Yes, you can mow at any time after treatment of Termidor SC since it is not applied to the lawn.
As long as your fruit tree is not directly sprayed with the Termidor SC or so close to the treatment area that runoff or overspray comes in contact with the fruit, Termidor is safe to use and is not a systemic (not absorbed by the roots). General rule of thumb is that you should keep Termidor treatments at least 10 feet away from any edible vegetation and you should discard anything that may be contaminated with a direct spray.
Termidor SC can only be applied around the foundation of a structure. It is not labeled for areas away from the structure. Termites will stay below the soil and can have multiple colonies on the property. Termites are actually beneficial insects and in a setting out in your yard they are great to have around to keep everything in balance. If you feel you must kill them though, you can drench the soil with a general insecticide like Talstar P as directed.