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Willow Apple Gall Sawfly

Pontania californica


Pink growth on leaves that appear to grow through them. It was seen on several leaves on the tree.


Willow in riparian area

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CindyBinghamKeiser 8 years ago

Thank you Kristal. Now I know where to start searching :)

KristalWatrous 8 years ago

They are some sort of insect-caused gall.

San Diego, California, USA

Spotted on Oct 5, 2011
Submitted on Oct 5, 2011

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