
Fall webworm is seen on a tree branch in Oshlkosh on Sept. 9, 2024. / Photo Credit: Bill McNee, Wisconsin DNR
By Bill McNee, DNR Forest Health specialist, Oshkosh;
Bill.McNee@wisconsin.gov or 920-360-0942
The native insect known as fall webworm (Hyphantria cunea) is back in the news.
The caterpillars don’t draw much attention on their own; instead, what catches the eye at this time of year are the large webs (or “tents”) that they create on the tips of tree branches.