Pictures of Phyllosticta leafspot and foliar nematodes have been added to the website previously. Please search for relevant pictures.
Below are pictures of banded wing whiteflies. Pictures of boxelder bugs have been added previously. Pictures provided by Brian A. Kunkel, University of Delaware.
Armyworms, fall webworms and other leaf chewing insects are munching on tree and shrub leaves. Previous pictures of these pests are archived.
Recent weeks have been dry. Anthracnose is increasing on various shade trees as dry weather ages leaves… Pictures of anthracnose on shade trees have been posted previously. Please search archive (tags) for relevant pictures.
This issue deals with spruce spider mites and their tendency to have high populations after summer temperatures cool. Since numerous articles have described this pest and the pictures have been posted previously, no new pictures are being added.