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Hemlock wooly adelgid

Adelges tsugae


Hemlock tree with evidence of wooly adelgid infestation. The white tufts are egg sacs that will hatch larvae in the spring.


Upland forest in the Wolf Hill conservation land, Smithfield, RI.


Hemlock was part of an upland oak forest. Few other hemlocks were seen.

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Spotted by

Providence, Rhode Island, USA

Spotted on Feb 17, 2012
Submitted on Feb 19, 2012

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