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Oak Gall

Started by sprucebunny, December 13, 2004, 07:37:15 PM

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sprucebunny

I think this is called an oak gall but don't remember what causes them.
MS193, MS192 and an 026  Weeding and Thinning. Gilbert Champion sawmill

LeeB

not sure, but I think it is caused by insects? LeeB
'98 LT40HDD/Lombardini, Case 580L, Cat D4C, JD 3032 tractor, JD 5410 tractor, Husky 346, 372 and 562XP's. Stihl MS180 and MS361, 1998 and 2006 3/4 Ton 5.9 Cummins 4x4's, 1989 Dodge D100 w/ 318, and a 1966 Chevy C60 w/ dump bed.

Tom

You're right!

A wasp stings the plant and causes it to create wild growing cells.  Eggs are layed in the gall and the insect larvae eats the inside until mature enough to emerge and do his thing on the outside.

Mtnjack

Sprucebunney  it is caused by insect ,cut it in two an explore you will find tiny worm dead center of the star.Have fun   Mtn Jack

SwampDonkey

"No amount of belief makes something a fact." James Randi

1 Thessalonians 5:21

2020 Polaris Ranger 570 to forward firewood, Husqvarna 555 XT Pro, Stihl FS560 clearing saw and continuously thinning my ground, on the side. Grow them trees. (((o)))

rpg52

Here in California where there are lots of different oaks, there are about ~60 different gall wasps.  Some of the galls are big and round like the photo, others look like star fish, muffins, brown cotton balls, etc.  Quite amazing the first time you see them.
Ray
Belsaw circle mill, in progress.

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