![Multicolored Asian lady beetle. Photo credit: Bruce Watt, Univeristy of Maine, Bugwood-org](https://sites.udel.edu/ornamentals-dev2/files/2019/10/MCAlady-beetle-Bruce-Watt-Univ-of-Maine-bugwood-org-002-300x225.jpg)
Multicolored Asian lady beetle. Photo credit: Bruce Watt, Univeristy of Maine, Bugwood-org
![Brown marmorated stink bug. Photo credit: Kristie Grahm, USDA-ARS, Bugwood-org](https://sites.udel.edu/ornamentals-dev2/files/2019/10/BMSB-Kristie-Grahm-USDA-ARS-Bugwood-org-002-300x225.jpg)
Brown marmorated stink bug. Photo credit: Kristie Grahm, USDA-ARS, Bugwood-org
![Polypore bracket (Cerioporus squamosus). Photo credit: N. Gregory](https://sites.udel.edu/ornamentals-dev2/files/2019/10/Cerioporus-squamosus-300x205.jpg)
Polypore bracket (Cerioporus squamosus).
Photo credit: N. Gregory
![Rhizosphaera needle cast - early symptoms on white pine. Photo credit: N. Gregory](https://sites.udel.edu/ornamentals-dev2/files/2019/10/WhiteSpruce-Rhizosphaera-2011-300x201.jpg)
Rhizosphaera needle cast – early symptoms on white pine. Photo credit: N. Gregory