Summary ²

Hemlock woolly adelgid (Adelges tsugae), or HWA, is member of the Sternorrhyncha suborder of the Order Hemiptera and native to East Asia. It feeds by sucking sap from hemlock and spruce trees (Tsuga spp.; Picea spp.). In eastern North America, it is a destructive pest that gravely threatens the eastern hemlock (Tsuga canadensis) and the Carolina hemlock (Tsuga caroliniana). Though the range of eastern hemlock extends north of the current range of t

Fontes e Créditos

1. (c) BlueRidgeKitties, alguns direitos reservados (CC BY-NC-SA), http://www.flickr.com/photos/41380738@N05/6202026877
2. (c) Wikipedia, alguns direitos reservados (CC BY-SA), https://en.wikipedia.org/wiki/Hemlock_woolly_adelgid

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