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California Gall Wasp

Andricus quercuscalifornicus

Habitat:

Local Creek

Notes:

I saw this growth in a tree .It was at the base of the trunk,solitary and softer and,bigger than the galls which I have seen. Not round in shape. seemed like a giant marshmallow.

1 Species ID Suggestions

orbea
orbea 10 years ago
California Gall Wasp
Andricus quercuscalifornicus Joyce Gross Photography: California Oak Galls Created by Cynipid Wasps


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18 Comments

Hema  Shah
Hema Shah 12 years ago

Thnx for a second vote on this. Then GALL it is!!

Ashish Nimkar
Ashish Nimkar 12 years ago

Gall or small insect Pupa had various shape and grown on various points on many plants.. They give unexpected or surprising look.

Hema  Shah
Hema Shah 12 years ago

@shebebusynow,on an oak tree!!
http://www.projectnoah.org/spottings/711...

Hema  Shah
Hema Shah 12 years ago

Thanks to all lfor your valuable feedback.:)

Hema  Shah
Hema Shah 12 years ago

That is a good idea. though it is a little too late for that!
My first reaction was that it is a gall.

shebebusynow
shebebusynow 12 years ago

Did you break it open? That might help the identification.

Hema  Shah
Hema Shah 12 years ago

http://www.projectnoah.org/spottings/640...
this is my spotting on galls.
The biggest difference that i found was that the spotting being discussed was very soft and not spherical .

Hema  Shah
Hema Shah 12 years ago


L. pyriforme is a ubiquitous puffball that grows on dead wood. When rain hits the fruiting structures, spores are released in a cloud.
L. pyriforme start to dry and turn brown.

Hema  Shah
Hema Shah 12 years ago

Most galls are caused by insects, although a few are created by diseases in a plant, such as a fungus or viral disease.

Hema  Shah
Hema Shah 12 years ago

I changed it to unknown spotting .

Behn
Behn 12 years ago

Or from Cynips maculipennis?

KarenSaxton
KarenSaxton 12 years ago

Looks like an oak gall. Puffballs grow on the ground

Behn
Behn 12 years ago

Possibly from the jumping gall wasp, Neuroterus saltatorius?

shebebusynow
shebebusynow 12 years ago

I have a really hard time believing it to be a Lycoperdon. They tend to have bumps and, in my experience, come directly from the ground. See http://botit.botany.wisc.edu/toms_fungi/...

Hema  Shah
Hema Shah 12 years ago

This was directly on the trunk.

ceherzog
ceherzog 12 years ago

Is it growing directly on the trunk or is it on the small branch that appears behind it?

Hema  Shah
Hema Shah 12 years ago

@shebebusynow, Ceherzog might know.

shebebusynow
shebebusynow 12 years ago

It doesn't look like a familiar gall, but I'm still thinking it is a gall. Turns out they're caused by a number of different species of midges (yup, those little no-see-ums) on different species of trees, so it makes sense that there would be different kinds. Is there a gall expert out there?

HemaShah
Spotted by
HemaShah

Walnut Creek, California, USA

Spotted on Jul 22, 2011
Submitted on Jul 22, 2011

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