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Growth on oak leaf

Started by Mettee, July 11, 2015, 01:55:44 PM

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Mettee

July 11, 2015, 01:55:44 PM
Anyone know what this is?


Texas Ranger

#1
July 11, 2015, 03:06:21 PM
bugs.  What is your location and what type of oak?
The Ranger, home of Texas Forestry

Mettee

#2
July 11, 2015, 05:34:24 PM
I'm in the Central California foothills. I think the oaks are Live Oaks, but they may be blue oaks.

Walesy

#3
July 11, 2015, 07:53:57 PM
I believe it is a leaf gall produced by a gall wasp.

Bob

WDH

#4
July 11, 2015, 09:20:39 PM
Yep.  Insect galls.
Woodmizer LT40HDD35, John Deere 2155, Kubota M5-111, Kubota L2501, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com

clearcut

#5
July 11, 2015, 09:22:22 PM
Looks like the Crystalline Gall Wasp (Andricus crystallinus)

Fairly common, almost never harmful to the tree.

Looks more like a blue oak (Quercus douglasii) leaf to me.
Carbon sequestered upon request.

Mettee

#6
July 11, 2015, 09:56:50 PM
Glad to hear it isn't going to harm the tree. Thanks everyone! :laugh:

mesquite buckeye

#7
October 08, 2015, 10:31:37 AM
Tree lice. ::)
Manage 80 acre tree farm in central Missouri and Mesquite timber and about a gozillion saguaros in Arizona.
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