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Home » Guide » Arthropods (Arthropoda) » Unidentified Tracks, Sign, and Other Mysteries » Unidentified Galls
Photo#1835437
Aggregation on stem of waist high oak
Copyright © 2020 Dennis Nyberg

Aggregation on stem of waist high oak
Hickory Hills, Cook County, Illinois, USA
June 15, 2020
Size: approximately 4cm dia
I guess this 'ball' is made by insects, but I am not sure.
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Contributed by Dennis Nyberg on 17 June, 2020 - 6:03pm
Last updated 24 July, 2023 - 9:10pm

Moved
Moved from ID Request.
… Jeff Brown, 24 July, 2023 - 9:10pm login or register to post comments

Oak species
Do you know what species of oak this was on?
… Joshua C'deBaca, 24 March, 2022 - 10:04pm login or register to post comments

 
Oak species
I did not record the species. Based on the location and what I can see in image I think Quercus alba is most likely with Q. macrocarpa a slim possibility.
… Dennis Nyberg, 25 March, 2022 - 3:20pm login or register to post comments

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