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2 2 Andricus quercustozae  insect Quercus

Andricus quercustozae insect Quercus

by StavrosApostolouΦυλή, Περιφέρεια Αττικής, Greece

0 0 California Oak Gall Wasp

California Oak Gall Wasp

by rbumrbum

Valley Oak(Quercus Lobata) used as host.

1 0 Crystalline Gall Wasp

Crystalline Gall Wasp

by rbumrbum

Blue Oak(Quercus Douglasii) used as host.

2 2 California Gall Wasp

California Gall Wasp

by MakitaRedding, California, USA

0 2 California Gall Wasp

California Gall Wasp

by pamsaiCalifornia, USA

Galls on an Oregon White Oak

1 0 Oak Marble Gall

Oak Marble Gall

by sarah in the woodsKnoxville, Tennessee, USA

small, round, hard wasp gall on chinkapin oak leaf

3 7 Red Cone Gall Wasp Gall

Red Cone Gall Wasp Gall

by JemmaWalnut Creek, California, USA

0 2 Wasp Galls on Live Coast Oak

Wasp Galls on Live Coast Oak

by Hema ShahCalifornia, USA

Seen on Oak tree

2 0 Oak marble galls

Oak marble galls

by MeikSchönstedt, Freistaat Thüringen, Germany

wasp Andricus kollari, which lays eggs ...

1 0 Oak tree gall

Oak tree gall

by ktcosmosPrescott, Arizona, USA

Gall wasp gall found on shrub live oak

1 4 Fuzzy oak gall wasp

Fuzzy oak gall wasp

by KarenLNashville-Davidson, Tennessee, USA

1/2" wide fuzzy cocoon.

0 5 Acorn Plum Gall

Acorn Plum Gall

by JemmaWalnut Creek, California, USA

Red gall on oak tree.about the size of a cherry.

3 0 Convuluted Gall Wasp

Convuluted Gall Wasp

by JemmaConcord, California, USA

http://www.kaweahoaks.com/html/galls_ofthe_voaks.html

2 4 Oak marble gall

Oak marble gall

by KarenLTennessee, USA

Oak marble galls develop as a chemically induced distortion of leaf buds on oak ...

0 2 Fuzzy Oak Gall

Fuzzy Oak Gall

by keithp2012West Babylon, New York, USA

Fuzzy growth on an Oak leaf. Inside is a parasitic gall wasp.

2 2 Oak Apple Gall

Oak Apple Gall

by CindyBinghamKeiserSan Diego, California, USA

Large apple-looking gall from the California Gall Wasp.

2 1 Oak Apple Gall

Oak Apple Gall

by CindyBinghamKeiserEscondido, California, USA

Three large red galls growing from the tree branch caused by the California ...

1 0 Clustered Gall Wasp

Clustered Gall Wasp

by CindyBinghamKeiserEscondido, California, USA

Small, red ball growing from mid rib on underside of leaf.

0 0 Knopper gall

Knopper gall

by JaeDeventer, Overijssel, Netherlands

Andricus quercuscalicis is a gall wasp ...

0 18 California Gall Wasp

California Gall Wasp

by Emma Walnut Creek, California, USA

I saw this growth in a tree .It was at the base of the trunk,solitary and ...

3 4 Disc Gall Wasp

Disc Gall Wasp

by CindyBinghamKeiserEscondido, California, USA

Red and yellow, flat, disc-shaped gall. There are only female wasps of this ...

0 0 Fuzzy oak gall

Fuzzy oak gall

by ChaenorrhinumOhio, USA

Fuzzy growth on the underside of the leaf. By early October, many of them had ...

5 0 Crystalline Gall Wasp

Crystalline Gall Wasp

by CindyBinghamKeiserEscondido, California, USA

Pink cone galls with white "hairs".

1 0 Oak artichoke galls

Oak artichoke galls

by arlandaPantón, Galicia, Spain

This gall is made by the parthenogenetic Cynipid gall wasp

2 0 Oak Apple Gall

Oak Apple Gall

by Brian38Washington, USA

A group of three green galls growing on a Gary oak tree. Ranging in size from 2 ...

0 0 Cynipid wasp gall

Cynipid wasp gall

by injicaIstarska županija, Croatia

This gall produced by the cynipid wasp

0 2 Leaf Gall

Leaf Gall

by MaryEvans2Tallahassee, Florida, USA

Wart like looking bumps on green leaves. Not sure if this is part of the plant, ...

3 7 Red Cone Galls

Red Cone Galls

by Emma Tulare, California, USA

7. The Initiation Of Insect Galls The most fascinating galls are sometimes ...

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