The authors and The Pennsylvania State University assume no liability from the use of any listed educational, governmental, or commercial web sites. Web sites are only listed as educational tools, and no discrimination is intended and no endorsement by the authors or The Pennsylvania State University is implied. Also, only rely on pest control suggestions from your local county extension office, department of agriculture, or land grand university. Pesticide uses vary between state municipalities, and countries.

Please note that the information presented on Web sites comes from a variety of sources, including not only official educational and governmental sites, but also unofficial sources and individuals. Although every effort is made to represent current and accurate information, the authors and The Pennsylvania State University do not author or edit all of the pages presented here and therefore cannot assume responsibility for all information. The author of each web page is responsible for the content of that page.