If you are doubtful about treating some surfaces, consider calling a professional pest control operator who will assume the risk and liability of the treatment. ... Spiders use silk not only to make webs but also to line nests, to construct egg sacs and to make parachutes which some types use to travel ... The black widow is not common in Wisconsin, and the brown recluse has never been sighted here to date.
|Title||:||Insect control in food handling and processing establishments|
|Author||:||Walter L. Gojmerac|