I was sent a message today from Deb Campbell of Syngenta Seeds, that they are finding fall armyworm in corn in Grey, Perth, Oxford, Huron and Simcoe counties. Infestations are low and the larvae are small but it is something to keep an eye on. There could be fields with heavier infestations.
Also, both Michigan and Ohio are reporting finding incredibly heavy infestations of second generation true armyworm in mixed forages. In Michigan it is a combination of true armyworm and variegated cutworm. Grasses in these fields are being eaten down to the midrib of the plant. Haven’t heard of any infestations like this in Ontario this year but keep an eye out for this.