![Flora / Hemlock woolly adelgid / Parasites / Biology / Tsuga canadensis / HWA / Tsuga caroliniana / Adelges / Black-throated Green Warbler / Flora of the United States / Hemiptera / Tsuga Flora / Hemlock woolly adelgid / Parasites / Biology / Tsuga canadensis / HWA / Tsuga caroliniana / Adelges / Black-throated Green Warbler / Flora of the United States / Hemiptera / Tsuga](https://www.pdfsearch.io/img/6967027e27c21ddbcac1e28734b1265f.jpg) Date: 2009-09-24 13:31:50Flora Hemlock woolly adelgid Parasites Biology Tsuga canadensis HWA Tsuga caroliniana Adelges Black-throated Green Warbler Flora of the United States Hemiptera Tsuga | | Individual HWA - www.forestryimages.org Control - continued The second method involves spraying the infested hemlocks with insecticidal soaps or horticultural oils. According to the N.C. State University CooperativeAdd to Reading ListSource URL: ncforestservice.govDownload Document from Source Website File Size: 624,09 KBShare Document on Facebook
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