HWA use sucking mouthparts to pierce through the base of the hemlock needles into the parenchyma cells (nutrient transport cells). Large infestations can quickly deplete trees of their vital nutrients ...
The Wisconsin Department of Natural Resources is asking landowners to be aware of an invasive species that has been detected ...
As part of their annual Hemlock Woolly Adelgid Survey Training Series, Education Outreach Coordinator, with SLELO-PRISM, and Linda Gibbs with THTLT, led a ...
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