Hemlock Woolly Adelgid Adelges tsugae Annand, 1924Non-native  -  Invasive    
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Hemiptera   >   Family Adelgidae   >   Genus Adelges   


Major threat to Eastern Hemlocks. Flies in the genus Leucopis have been introduced in the East in hopes of controlling this species.

There are 20 records in the project database.

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Hemlock Woolly Adelgid in New Germany SP, Maryland (6/23/2013). Photo by Matt Tillett. (MBP list)

Hemlock Woolly Adelgid in Howard Co., Maryland (3/17/2015). Photo by Richard Orr. (MBP list)

An Eastern Hemlock with a Wooly Adelgid infestation in Garrett Co., Maryland (7/8/2012). Photo by Bill Hubick. (MBP list)

A Hemlock Woolly Adelgid in Harford Co., Maryland (6/28/2014). Photo by Dave Webb. (MBP list)

Hemlock Woolly Adelgid in Baltimore City, Maryland (7/31/2015). Photo by Kerry Wixted. (MBP list)

Hemlock Woolly Adelgids attacking an Eastern Hemlock in Harford Co., Maryland (4/29/2018). Photo by Josh Emm. (MBP list)

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