Invasive spongy moths (Lymantria dispar) are the most destructive defoliators of broadleaf forests in North America. Aspen is a favored food plant of spongy moths, which feed on expanding leaves in ...
Rick Lindroth at the University of Wisconsin-Madison found that spongy moth caterpillars strip aspen tree foliage, increasing tree defenses and causing harm to a native species.
To combat black spots, Michael advised: "The best thing you can do is pick them off, and remove any and all affected leaves, even if that means completely defoliating the plant. "If you're doing ...
In soybean, we use a sweep net to estimate insect population densities, but in the case of defoliating insects, like fall armyworm or Japanese beetle, we just estimate defoliation. In pasture ...
We mapped almost no foliar issues in aspen. “There are very small, isolated pockets of defoliating insects,” he added, “but nothing that’s widespread, nothing like what we’ve seen in ...