| http://hyg.ipm.illinois.edu/pdf/hygpest201813.pdf | 07/22/2019 | PDF Reader | | Item is within a single large file |
| http://hyg.ipm.illinois.edu/article.php?id=1027 | 07/22/2019 | | | Variant pictures |
| http://hyg.ipm.illinois.edu/article.php?id=1094 | 09/26/2019 | | | Variant pictures; Home, Yard, and Garden Pest Newsletter [2019] reprint |
| http://hyg.ipm.illinois.edu/pdf/hygpest201908.pdf | 09/26/2019 | PDF Reader | | Item is within a single large file; Variant pictures; Home, Yard, and Garden Pest Newsletter [2019] reprint |
| https://hyg.ipm.illinois.edu/pdf/hygpest202009.pdf[...] | 01/05/2023 | PDF Reader | | Item is within a single large file; Home, Yard, and Garden Pest Newsletter 2020 reprint |
