Summary ³

Hemlock woolly adelgid (Adelges tsugae), commonly called as 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 the adelgid,...

Sources and Credits

1. (c) Even Dankowicz, all rights reserved, uploaded by Even Dankowicz
2. (c) BlueRidgeKitties, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/41380738@N05/6202026877
3. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Adelges_tsugae

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• BugGuide
• CalPhotos
• CUIC Insect Images
• Global Biodiversity Information Facility (GBIF)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0

iNat Map