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Home » Guide » Arthropods (Arthropoda) » Unidentified Tracks, Sign, and Other Mysteries » Unidentified Galls » Gall-like Structures Not Covered By BugGuide
Photo#726208
Boxelder *Spot Galls* ID Request
Copyright © 2012 Thomas Wilson of Armistead Gardens in Baltimore City

Boxelder *Spot Galls* ID Request
Herring Run Park, Baltimore City County, Maryland, USA
May 27, 2012
Observed on Acer negundo.

Images of this individual: tag all
Boxelder *Spot Galls* ID Request Boxelder *Spot Galls* ID Request
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Contributed by Thomas Wilson of Armistead Gardens in Baltimore City on 27 November, 2012 - 5:43am
Last updated 19 September, 2020 - 8:05pm

Moved
Moved from Unidentified Galls.

Turns out these are fungal, which I should have guessed from the scattered black spots. Apparently there are four options: Phyllosticta negundinis, Cylindrosporium negundinis, Cercospora negundinis, and Septoria negundinis--based on comment here.
… Charley Eiseman, 19 September, 2020 - 8:05pm login or register to post comments

Moved
Moved from Unidentified Galls.
… Thomas Wilson of Armistead Gardens in Baltimore City, 27 November, 2012 - 8:39am login or register to post comments

Moved
Moved from ID Request.
… Thomas Wilson of Armistead Gardens in Baltimore City, 27 November, 2012 - 8:39am login or register to post comments

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