A Technical Report from The Bartlett Tree Research Laboratories

Elongate hemlock scale, sometimes called fiorinia scale, is a significant pest of hemlock in its invaded range in eastern North America. This scale insect mainly infests hemlocks, including eastern, Carolina, and northern Japanese hemlock, but is also known to infest species of fir and spruce. Overlapping generations make elongate hemlock scale challenging to manage and require close monitoring of the insect.

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