http://hyg.ipm.illinois.edu/pdf/hygpest201616.pdf#[...] | 12/02/2016 | PDF Reader | | Item is within a single large file |
http://hyg.ipm.illinois.edu/article.php?id=859 | 12/02/2016 | | | Variant pictures |
http://hyg.ipm.illinois.edu/pdf/hygpest201712.pdf | 09/14/2017 | PDF Reader | | Item is within a single large file; Home, Yard, and Garden Pest Newsletter reprint |
http://hyg.ipm.illinois.edu/article.php?id=935 | 09/14/2017 | | | Home, Yard, and Garden Pest Newsletter reprint; Variant pictures |