Fall webworm (Hyphantria cunea) “nests” often start becoming noticeable in our landscapes during the late summer and early fall. The caterpillars will spin their communal webs ...

Leaves turn yellow, then develop brown, blocky spots that grow and merge. Affected leaves often twist, curl and drop early.

Plant Medic columnist Ricky Kemery says the key to removing bagworms is the timing of spring insecticide options and the removal of any bags in fall.