The elm zigzag sawfly has spread to 15 states in five years. Now it's attacking the tree that cities planted to replace Dutch ...
"Probably isn't [spreading] on its own." Expert issues stark warning about dangerous invasive pest found across the US: 'Rapidly spreading' first appeared on The Cool Down.
North Carolina has a new insect resident, one that poses a unique risk to elm trees. The elm zigzag sawfly (Aproceros leucopoda Takeuchi) was first detected in the United States for the first time in ...