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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Mites and Ticks (Acari) » Acariformes » Trombidiformes » Prostigs (Prostigmata) » Eleutherengona » Raphignathina » Eriophyoidea » Gall mites (Eriophyidae) » Aculops » Poison Ivy Leaf Gall Mite (Aculops rhois)
Photo#297916
red galls - Aculops rhois
Copyright © 2009 squidpillow

red galls - Aculops rhois
lancaster County, Pennsylvania, USA
July 2, 2009
I thought this was a maple gall mite but this does not look like a maple leaf!

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red galls - Aculops rhois red galls - Aculops rhois
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Contributed by squidpillow on 2 July, 2009 - 6:01pm
Last updated 3 July, 2009 - 2:22pm

I saw some too
I noticed the same galls and almost touched the plant until I realized what it was so I decided to keep far away from it. I am glad to find out what it is.
… Beatriz Moisset, 6 July, 2009 - 8:12pm login or register to post comments

Mite galls
These are eriophyid mite galls, but I would need to know the plant species to go further. Do you have a photo that shows more of the leaf?
… Charley Eiseman, 2 July, 2009 - 11:56pm login or register to post comments

 
Poison ivy?
I just looked at the second photo, it looks like poison ivy (Toxicodendron radicans) to me, even the leaves in the background.
… John Pearson, 3 July, 2009 - 2:03pm login or register to post comments

 
Poison ivy
That's what I was guessing from the first photo, and I'm convinced by the second one. Which means the mite is Aculops rhois. These are typical of the poison ivy mite galls I've seen--I don't think I've come across green ones like the ones you found, John.
… Charley Eiseman, 3 July, 2009 - 2:24pm login or register to post comments

 
Thanks so much! It's a good t
Thanks so much! It's a good thing I always follow the "no-touch" nature exploration principles!
… squidpillow, 3 July, 2009 - 3:04pm login or register to post comments

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